C1 English Vocabulary

Why C1 English Vocabulary Matters

Reaching C1 English vocabulary means you can express yourself fluently, understand complex texts, and use language flexibly. But to truly communicate like an advanced speaker, you need a strong and precise vocabulary.

This guide gives you 700 C1 English vocabulary words and teaches you how to learn and memorize them effectively. Please also check C2 English vocabulary.

Ideal for students preparing for GET (Global English Test), TOEFL, IELTS.

Explore More English Vocabulary by Level

If you want to continue expanding your vocabulary, explore our full collection of word lists for every CEFR level:

• A1 English Vocabulary – Essential everyday words for beginners.
• A2 English Vocabulary – Build confidence with more practical expressions.
• B1 English Vocabulary – Strengthen your vocabulary for intermediate English.
• B2 English Vocabulary – Learn advanced vocabulary for fluent communication.
• C1 English Vocabulary – (You are here) Academic and professional word mastery.
• C2 English Vocabulary – The most advanced vocabulary for near-native proficiency.

These lists will help you improve step by step, whether you are preparing for an English exam, upgrading your CV, or simply aiming for fluency.

How to Study C1 Vocabulary

Here are some proven strategies to help you make these words part of your active vocabulary:

1. Chunking: Learn words in categories or themes.
2. Spaced Repetition (SRS): Use tools to review words at increasing intervals.
3. Contextual Learning: Read articles, listen to podcasts, and watch videos using these words in real-life contexts.
4. Use It or Lose It: Make your own sentences. Use new words in conversations or writing.
5. Visual & Story Memory: Link the word to an image or create a short story with it.
6. Word Families: Learn the noun, verb, adjective, and adverb forms together.

Why Expand Your C1 English Vocabulary?

C1 level (according to CEFR) reflects advanced language ability. Learners at this level should be able to understand complex texts, express ideas clearly, and interact fluently in professional and academic settings. Learn more about C1 English Level (Advance). A strong vocabulary helps you:

• Sound more natural and professional
• Understand advanced reading and listening materials
• Speak with nuance and confidence

700 C1 English Vocabulary Words + Meanings

No.	Word	Meaning	Example Sentence
1	Abundant	Existing in large quantities	The region is known for its abundant natural resources.
2	Accommodate	To provide space or help for someone	The hotel can accommodate up to 200 guests.
3	Accurate	Correct and free from error	The report provides an accurate picture of the situation.
4	Acknowledge	To accept or admit something	She refused to acknowledge her mistake.
5	Acquire	To obtain or gain possession of something	He acquired a new language in just six months.
6	Adaptable	Able to change easily to fit conditions	Good leaders must be adaptable to new challenges.
7	Adequate	Enough or satisfactory	The food supply was barely adequate for the refugees.
8	Adjacent	Next to or very near something	Their office is adjacent to the train station.
9	Advocate	A person who supports or speaks in favor of something	She is an advocate for human rights.
10	Affectionate	Showing fondness or love	The puppy was extremely affectionate.
11	Allocate	To distribute resources for a purpose	Funds were allocated to improve the school facilities.
12	Alter	To change or modify	He had to alter his travel plans due to the storm.
13	Ambiguous	Having more than one possible meaning	His statement was rather ambiguous.
14	Ample	More than enough	There is ample opportunity for growth in this company.
15	Anticipate	To expect or predict	We anticipate heavy traffic during the holiday weekend.
16	Apparent	Easy to see or understand	It soon became apparent that she was lying.
17	Arbitrary	Based on random choice, not logic	The rules seemed completely arbitrary.
18	Assert	To state clearly and firmly	He asserted his innocence in court.
19	Assess	To evaluate or judge something	The teacher will assess your progress through exams.
20	Assign	To give someone a task	She was assigned to write the report.
21	Assume	To suppose something without proof	Don’t assume he knows the answer.
22	Assure	To make someone feel certain	I can assure you that everything will be fine.
23	Attempt	To try to do something difficult	She made an attempt to solve the puzzle.
24	Authentic	Genuine, real	The document was proven to be authentic.
25	Awkward	Causing discomfort or difficulty	There was an awkward silence in the room.
26	Beneficial	Producing good results	Regular exercise is beneficial for health.
27	Bias	An unfair preference or prejudice	The article showed clear political bias.
28	Brisk	Quick and energetic	They set off at a brisk pace.
29	Burden	A heavy load or responsibility	Caring for a sick parent can be a financial burden.
30	Capable	Having the ability to do something	She is a capable leader.
31	Capacity	The maximum amount something can hold	The hall has a seating capacity of 1,000.
32	Cease	To stop	The company will cease operations next month.
33	Clarify	To make something clear	Can you clarify what you meant by that statement?
34	Coherent	Logical and consistent	The essay was well-structured and coherent.
35	Coincide	To happen at the same time	The event will coincide with the festival.
36	Collaborate	To work together	They decided to collaborate on the project.
37	Collapse	To fall down or fail suddenly	The building collapsed after the earthquake.
38	Colleague	A person you work with	She had lunch with her colleague.
39	Commence	To begin	The meeting will commence at 10 a.m.
40	Commit	To carry out or pledge	He committed a serious crime.
41	Commodity	A useful or valuable item	Oil is a vital commodity for many countries.
42	Compatible	Able to exist or work together without conflict	This software is not compatible with older systems.
43	Compensate	To make up for loss or damage	He was compensated for the injury at work.
44	Compile	To gather information into a list	She compiled a report of all the data.
45	Comprehensive	Covering everything	The course offers a comprehensive study of economics.
46	Conceal	To hide	He tried to conceal his disappointment.
47	Concede	To admit something is true, often unwillingly	She finally conceded that he was right.
48	Conclude	To finish or decide	The meeting concluded with a vote.
49	Concrete	Specific and real, not abstract	Can you give a concrete example?
50	Conduct	To carry out or behave	The scientist will conduct an experiment.
51	Confine	To limit or restrict	His illness confined him to bed.
52	Conform	To follow rules or standards	Employees must conform to company policies.
53	Consent	Permission to do something	She gave her consent to the treatment.
54	Consequently	As a result	He didn’t study; consequently, he failed the exam.
55	Considerable	Large or significant in amount	She made a considerable contribution to the project.
56	Consistent	Always acting the same way	His results are consistent over time.
57	Constitute	To form or make up something	These documents constitute proof of ownership.
58	Constraint	A limitation or restriction	Time is the biggest constraint on the project.
59	Consult	To seek advice	You should consult a doctor if the pain continues.
60	Consume	To use up	Americans consume a lot of energy daily.
61	Contaminate	To make something dirty or harmful	The water supply was contaminated by chemicals.
62	Contemplate	To think deeply about something	She sat by the window to contemplate her future.
63	Contradict	To say the opposite of something	His actions contradict his words.
64	Contrary	Opposite in nature	On the contrary, I think it’s a great idea.
65	Contribute	To give or add to something	Everyone should contribute to the discussion.
66	Convenient	Easy to use, suitable	Online shopping is very convenient.
67	Conventional	Traditional or usual	He prefers conventional teaching methods.
68	Convey	To communicate or express	The poem conveys a sense of sadness.
69	Convince	To make someone believe	She tried to convince him to stay.
70	Cooperate	To work together for a purpose	Both teams agreed to cooperate.
71	Core	The central part of something	Trust is at the core of any good relationship.
72	Corporate	Related to large companies	She works in corporate finance.
73	Correspond	To match or be similar	The two stories don’t correspond.
74	Corrupt	Dishonest, especially for money	The official was corrupt and accepted bribes.
75	Credible	Believable, trustworthy	The witness gave a credible account of the events.
76	Criterion	A standard for judgment	Reliability is an important criterion for success.
77	Crucial	Extremely important	Good communication is crucial in a team.
78	Cumulative	Increasing by adding together	Stress has a cumulative effect on health.
79	Currency	The money system of a country	The local currency is very strong.
80	Curve	A smoothly bending line	The road has a dangerous curve.
81	Dare	To have courage to do something	She didn’t dare to speak up.
82	Debate	A formal discussion	They had a heated debate about politics.
83	Decay	The process of rotting	The abandoned house fell into decay.
84	Deceive	To make someone believe something untrue	He tried to deceive his parents about his grades.
85	Decline	To decrease or refuse	The company’s profits declined last year.
86	Dedicate	To give time or effort to something	She dedicated her life to helping others.
87	Deem	To judge or consider	The plan was deemed unnecessary.
88	Defeat	To win against someone	They managed to defeat their rivals.
89	Defend	To protect against attack	The army was ready to defend the country.
90	Deficiency	A lack of something	Iron deficiency can cause tiredness.
91	Defy	To resist or refuse to obey	Protesters defied the government order.
92	Deliberate	Done intentionally	It was a deliberate attempt to mislead us.
93	Deny	To refuse to accept	She denied the accusations.
94	Depict	To represent in a picture or story	The painting depicts a peaceful scene.
95	Derive	To get something from a source	The word is derived from Latin.
96	Deserve	To be worthy of something	She deserves recognition for her hard work.
97	Desperate	Feeling hopeless or in urgent need	He was desperate for a job.
98	Detect	To discover something not easily seen	The test can detect the virus early.
99	Deteriorate	To get worse over time	His health began to deteriorate rapidly.
100	Determine	To decide or establish	The results will determine the winner.
101	Devastate	To cause great damage or sadness	The earthquake devastated the city.
102	Devote	To give time or energy to something	She devotes a lot of time to her children.
103	Differentiate	To recognize or show a difference	It’s hard to differentiate between the two products.
104	Diminish	To reduce in size, importance, or value	His influence has diminished over the years.
105	Disclose	To reveal information	The company refused to disclose details of the deal.
106	Discretion	The ability to make decisions based on judgment	The teacher used her discretion when grading.
107	Discriminate	To treat unfairly based on differences	It is illegal to discriminate against someone based on race.
108	Displace	To force someone to leave their home	Thousands were displaced by the war.
109	Dispute	A disagreement or argument	The workers are in a pay dispute with management.
110	Dissolve	To mix into liquid or officially end something	Sugar dissolves in water; The parliament was dissolved.
111	Distinct	Clearly different or separate	There are two distinct groups in the community.
112	Distinguish	To recognize differences	Can you distinguish fact from opinion?
113	Distort	To change something so it is no longer true	The media can distort the facts.
114	Distribute	To give or deliver to people	Volunteers distributed food to the refugees.
115	Diverse	Showing variety, very different	The city is known for its diverse culture.
116	Divert	To change direction or attention	The river was diverted to prevent flooding.
117	Domain	An area of knowledge or activity	This subject falls within the domain of biology.
118	Dominate	To control or have power over	One company continues to dominate the market.
119	Dramatic	Sudden and striking	The patient made a dramatic recovery.
120	Duration	The length of time something lasts	The duration of the flight is three hours.
121	Dwell	To live or stay in a place	They dwell in a small village.
122	Ease	To make something less difficult or painful	The medicine helped to ease her pain.
123	Elaborate	Detailed and complicated	He gave an elaborate explanation.
124	Emerge	To appear or become known	New problems have emerged in the negotiations.
125	Emphasize	To give importance to something	The teacher emphasized the need for practice.
126	Empirical	Based on observation or experience	The study provides empirical evidence.
127	Enable	To make possible	The new system enables faster communication.
128	Encounter	To meet unexpectedly	I encountered an old friend in the city.
129	Encourage	To support or give confidence	Parents should encourage their children.
130	Endure	To suffer patiently or last a long time	She had to endure years of hardship.
131	Engage	To take part or attract attention	He was engaged in the debate.
132	Enhance	To improve in quality or value	The new design will enhance performance.
133	Enormous	Very large in size or amount	The project required an enormous amount of money.
134	Ensure	To make sure	Please ensure that all doors are locked.
135	Entail	To involve something as necessary	This job will entail some traveling.
136	Enterprise	A project or business activity	The new enterprise created hundreds of jobs.
137	Enthusiastic	Showing excitement or interest	The audience was very enthusiastic.
138	Entity	Something that exists as a separate unit	Each department functions as a separate entity.
139	Envisage	To imagine or expect something in the future	I can’t envisage working anywhere else.
140	Equate	To consider something equal	Some people equate money with happiness.
141	Equip	To provide tools or resources	The lab is fully equipped with modern technology.
142	Equivalent	Equal in value or meaning	A mile is roughly equivalent to 1.6 kilometers.
143	Erode	To gradually wear away	Waves have eroded the coastline.
144	Establish	To set up or create	The company was established in 1990.
145	Estimate	To roughly calculate a value	They estimated the cost at $5,000.
146	Evaluate	To judge or assess	We need to evaluate the effectiveness of the plan.
147	Evident	Clear or obvious	It is evident that she is unhappy.
148	Exceed	To go beyond a limit	Sales exceeded expectations.
149	Exclude	To leave out or prevent from entering	He felt excluded from the group.
150	Exhaust	To use up completely or make very tired	Running for hours exhausted him.
151	Exhibit	To show or display	The museum will exhibit ancient artifacts.
152	Expand	To increase in size or amount	The company plans to expand into new markets.
153	Expertise	Special skill or knowledge	She has great expertise in digital marketing.
154	Explicit	Clear and direct	The rules are explicit about what is allowed.
155	Exploit	To take advantage of or use fully	Some companies exploit cheap labor abroad.
156	Exposure	The state of being in contact with something	Prolonged sun exposure can damage the skin.
157	Extend	To make longer in space or time	They plan to extend the deadline.
158	Extensive	Large in amount or scale	The book provides extensive coverage of the subject.
159	Extract	To remove or take out	Oil is extracted from the ground.
160	Extreme	Very great in degree	They lived in extreme poverty.
161	Facilitate	To make something easier	The internet facilitates access to information.
162	Factor	Something that influences a result	Price is a key factor in consumer choice.
163	Faint	Weak or barely noticeable	She gave a faint smile.
164	Fascinate	To attract and hold interest	Space exploration continues to fascinate people.
165	Feasible	Possible and practical	The plan is ambitious but feasible.
166	Feature	A distinctive part of something	The phone has new security features.
167	Fierce	Very strong or violent	The lion gave a fierce roar.
168	Figure	A number, or a person’s shape	Unemployment figures rose last year.
169	Finite	Having limits	The earth’s resources are finite.
170	Flaw	A fault or weakness	Every plan has at least one flaw.
171	Flexibility	Ability to change or adapt easily	Flexibility is important in the workplace.
172	Flourish	To grow or develop successfully	The business flourished after the new investment.
173	Fluctuate	To change frequently	Prices fluctuate depending on demand.
174	Focus	To concentrate attention on something	We need to focus on our priorities.
175	Forecast	A prediction of future events	The weather forecast is sunny.
176	Former	Previous, earlier	He is a former president of the club.
177	Formulate	To develop or create systematically	Scientists formulated a new theory.
178	Foster	To encourage or nurture	The school tries to foster creativity.
179	Framework	A system of rules or ideas	The legal framework needs reform.
180	Frequent	Happening often	Power cuts are frequent in that area.
181	Fundamental	Basic, essential	Honesty is a fundamental value.
182	Generate	To produce or create	The project will generate new jobs.
183	Genuine	Real, authentic	Her concern for you is genuine.
184	Gesture	A movement expressing meaning	He made a rude gesture.
185	Glance	A quick look	She took a glance at her notes.
186	Global	Worldwide	Climate change is a global issue.
187	Goal	An aim or desired result	His main goal is to graduate with honors.
188	Govern	To rule or manage	The country is governed by a coalition.
189	Gradual	Happening slowly over time	There was a gradual improvement in his health.
190	Grant	To give permission or money	They were granted access to the files.
191	Grasp	To understand or hold tightly	She quickly grasped the main idea.
192	Guarantee	A formal promise	The watch comes with a two-year guarantee.
193	Handle	To deal with or manage	He knows how to handle stress well.
194	Harsh	Severe or unpleasant	The winter was very harsh.
195	Hazard	A danger or risk	Smoking is a health hazard.
196	Highlight	To emphasize or make noticeable	The report highlights key issues.
197	Hypothesis	A proposed explanation	The scientist tested her hypothesis.
198	Identical	Exactly the same	The twins are almost identical.
199	Identify	To recognize or name	Can you identify the person in this photo?
200	Ignorance	Lack of knowledge	His mistake was due to ignorance.
201	Illustrate	To explain with examples or pictures	The teacher illustrated the point with a story.
202	Impact	A strong effect	The new policy had a big impact on workers.
203	Implement	To put into action	The new system will be implemented next year.
204	Imply	To suggest indirectly	His words implied he was unhappy.
205	Import	To bring goods from another country	The country imports a lot of oil.
206	Impress	To make someone admire	His performance really impressed the audience.
207	Incentive	Something that motivates action	Bonuses are an incentive for employees to work harder.
208	Incident	An event, often unpleasant	There was a minor incident at the factory.
209	Incline	To tend toward or have a preference	She is inclined to agree with you.
210	Include	To contain or be part of	The price includes breakfast.
211	Income	Money received, usually regularly	His monthly income is enough to cover expenses.
212	Incorporate	To include as part of something	The design incorporates new technology.
213	Indicate	To show or point out	The data indicates a rise in inflation.
214	Individual	A single person	Each individual must sign the form.
215	Inevitable	Certain to happen	Change is inevitable in life.
216	Infect	To pass on a disease	The virus infected thousands of people.
217	Infer	To conclude from evidence	From his tone, I inferred he was upset.
218	Inflation	Rise in prices	Inflation is affecting the cost of living.
219	Influence	The power to affect others	She has a lot of influence in the industry.
220	Inform	To give information	Please inform us of any changes.
221	Inherit	To receive from someone after death	She inherited her grandmother’s house.
222	Initiative	A first step or action	He showed great initiative in solving the problem.
223	Injure	To cause physical harm	He was injured in the accident.
224	Innovative	New and creative	The company uses innovative methods.
225	Input	Ideas or information given	We value your input on this issue.
226	Inquiry	A question or investigation	The police are making an inquiry into the case.
227	Insight	A deep understanding	Her speech gave an insight into the problem.
228	Inspect	To examine carefully	The mechanic inspected the car for faults.
229	Instance	An example of something	This is a clear instance of poor planning.
230	Institute	To set up or establish	New rules were instituted last year.
231	Instruct	To teach or give orders	The teacher instructed the students to sit down.
232	Instrument	A tool or device	The guitar is a musical instrument.
233	Insufficient	Not enough	There was insufficient evidence to convict him.
234	Integral	Essential, necessary	Trust is an integral part of friendship.
235	Intense	Very strong	She felt an intense pain in her back.
236	Interact	To communicate or work together	Children learn by interacting with others.
237	Intercept	To stop something on its way	The police intercepted the package.
238	Interpret	To explain or translate meaning	How do you interpret this poem?
239	Interrupt	To stop something briefly	Please don’t interrupt when I’m speaking.
240	Interval	A pause or period between events	The show will continue after the interval.
241	Intervene	To get involved in order to help	The teacher had to intervene in the fight.
242	Intimate	Private, personal, or close	They have an intimate relationship.
243	Introduce	To present someone or something	He introduced his wife to the guests.
244	Invent	To create something new	Edison invented the light bulb.
245	Invest	To put money or effort into something	They plan to invest in new technology.
246	Investigate	To look into something carefully	The police will investigate the crime.
247	Involve	To include or require	The job involves working long hours.
248	Isolate	To separate from others	The patient was isolated to prevent infection.
249	Issue	A topic, problem, or edition	Climate change is a major issue today.
250	Joint	Shared by two or more	They made a joint decision.
251	Journal	A record of daily events or academic writing	She writes in her journal every night.
252	Judge	To form an opinion or make a decision	Don’t judge a book by its cover.
253	Justify	To provide reasons or excuses	He tried to justify his behavior.
254	Keen	Very eager or interested	She is very keen on learning languages.
255	Key	Very important	Hard work is the key to success.
256	Label	A tag or category	The bottle had a red label.
257	Labor	Work, especially physical	The project required hard labor.
258	Lack	The absence of something	The plan failed due to a lack of resources.
259	Landscape	The visible features of land	The mountain landscape is breathtaking.
260	Large-scale	Involving many people or things	They launched a large-scale campaign.
261	Lasting	Continuing for a long time	The experience had a lasting impact.
262	Launch	To start something new	The company will launch a new product.
263	Layer	A thickness of material	There was a thin layer of dust on the table.
264	Lead	To guide or be in charge	She will lead the team to victory.
265	League	A group or association	He plays football in the local league.
266	Lean	To bend or rest against	He leaned against the wall.
267	Lecture	A talk on a subject	The professor gave a lecture on history.
268	Legal	Related to the law	He needed legal advice.
269	Legend	A traditional story	The island is full of legends and myths.
270	Legitimate	Lawful or reasonable	They had a legitimate reason to complain.
271	Lengthy	Very long	The meeting was lengthy and tiring.
272	Lessen	To reduce	Exercise can help lessen stress.
273	Liberal	Open-minded	She has liberal views on politics.
274	License	Official permission	You need a driver’s license to drive a car.
275	Limit	The maximum amount	Speed limits keep roads safe.
276	Linguistic	Related to language	She studied linguistic theory.
277	Literary	Related to literature	He has literary talent.
278	Literature	Written works	English literature is studied worldwide.
279	Literal	Exact, not figurative	The literal meaning of “cold feet” is chilly feet.
280	Logical	Reasonable, clear	His argument was logical and convincing.
281	Locate	To find the position of	The police located the missing child.
282	Logic	A system of reasoning	The plan’s logic is sound.
283	Loyal	Faithful to someone/something	Dogs are known for being loyal.
284	Maintain	To keep something in good condition	They maintain close contact with family.
285	Major	Very important or serious	Pollution is a major problem.
286	Majority	More than half	The majority voted against the proposal.
287	Manage	To control or deal with	She can manage stressful situations well.
288	Manifest	To show clearly	His anger was manifest in his voice.
289	Manipulate	To control unfairly or skillfully	He tried to manipulate the results.
290	Manufacture	To make products	The factory manufactures cars.
291	Margin	The edge or limit	Notes were written in the page margin.
292	Mark	A symbol, grade, or trace	He got a high mark on the test.
293	Market	A place for buying and selling	The market is full of fresh fruit.
294	Marriage	The legal union of two people	Their marriage lasted 20 years.
295	Massive	Extremely large	The storm caused massive damage.
296	Master	To become very skilled at something	She wants to master French.
297	Match	To go well with something	The shoes match her dress.
298	Material	Substance or information	The house was built with strong materials.
299	Mature	Fully developed	He is very mature for his age.
300	Maximum	The greatest amount	The maximum speed is 120 km/h.
301	Measure	To determine size or amount	Can you measure the window?
302	Mechanism	A system or process	The clock’s mechanism is broken.
303	Media	Channels of communication	The story spread quickly in the media.
304	Medical	Related to medicine	She received medical treatment.
305	Medium	A way of doing or communicating	TV is a medium of mass communication.
306	Mental	Related to the mind	He suffers from mental health issues.
307	Mention	To refer to something briefly	Did she mention the deadline?
308	Merchant	A person who trades goods	The merchant sold spices at the market.
309	Method	A way of doing something	This is the best method to solve the problem.
310	Migrate	To move from one region to another	Birds migrate south in winter.
311	Military	Related to armed forces	He served in the military for ten years.
312	Minister	A government official	The minister announced new reforms.
313	Minor	Less important	The error was only a minor mistake.
314	Minority	A smaller part of a group	The bill was supported by a minority.
315	Miserable	Very unhappy	She felt miserable after losing her job.
316	Misleading	Giving the wrong idea	The advertisement was misleading.
317	Mission	A special task or duty	Their mission was to deliver supplies.
318	Mistreat	To treat badly	The dog had been mistreated.
319	Modify	To change slightly	You can modify the design to suit your needs.
320	Momentous	Very important	It was a momentous occasion in history.
321	Monitor	To watch closely	The teacher will monitor progress.
322	Mood	A temporary emotional state	She was in a cheerful mood.
323	Moral	Principles of right and wrong	The story has a moral lesson.
324	Moreover	In addition	The hotel is cheap; moreover, it’s near the beach.
325	Motion	Movement or proposal	The motion was passed unanimously.
326	Motivate	To inspire someone to act	Teachers should motivate students to learn.
327	Motive	A reason for doing something	The police questioned his motive.
328	Mount	To climb or increase	He mounted the stairs quickly.
329	Multiple	Many, several	She speaks multiple languages.
330	Multiply	To increase in number	Rabbits multiply quickly.
331	Murder	The crime of killing someone	He was found guilty of murder.
332	Mysterious	Difficult to understand	The story ended with a mysterious twist.
333	Narrative	A story or account	The novel has a simple narrative.
334	Narrow	Limited in width or scope	The road is too narrow for trucks.
335	Nationwide	Across the whole country	The strike spread nationwide.
336	Native	Belonging to one’s birthplace	She speaks her native language fluently.
337	Natural	Not artificial	This fabric is made from natural fibers.
338	Navigate	To find the way	Sailors navigate by the stars.
339	Neglect	To fail to care for	The garden was neglected.
340	Negotiate	To discuss for agreement	They will negotiate a new contract.
341	Neighborhood	A local area	The neighborhood is quiet and safe.
342	Nevertheless	Despite that	It was raining; nevertheless, we went out.
343	Nominate	To propose for a position	She was nominated for an award.
344	Notable	Worthy of attention	The city is known for its notable architecture.
345	Notion	An idea or belief	He had no notion of the risks involved.
346	Notify	To inform officially	Please notify me of any changes.
347	Novel	A long story in book form	She is writing a novel.
348	Numerous	Many	The city has numerous attractions.
349	Obedient	Willing to follow rules	The dog is very obedient.
350	Obey	To follow instructions	Soldiers must obey orders.
351	Object	A thing or to disagree	The object was made of wood. / I must object to that.
352	Objective	Goal or unbiased	Their main objective is to reduce costs.
353	Obligation	A duty or responsibility	Parents have an obligation to care for children.
354	Obscure	Not clear or unknown	The meaning of the poem is obscure.
355	Observe	To watch carefully	Scientists observed the experiment closely.
356	Obstacle	Something that blocks progress	Lack of money is a major obstacle.
357	Obtain	To get or acquire	He managed to obtain a scholarship.
358	Obvious	Easy to see or understand	The answer is obvious.
359	Occupation	A person’s job	Teaching is a respected occupation.
360	Occupy	To take up space or time	The sofa will occupy too much room.
361	Occurrence	An event or incident	Flooding is a common occurrence in this area.
362	Offend	To make someone upset or angry	He didn’t mean to offend her.
363	Offense	A crime or wrongdoing	Stealing is a serious offense.
364	Official	Approved by authority	The news was confirmed in an official statement.
365	Omit	To leave out	Please do not omit any details.
366	Ongoing	Continuing to happen	The investigation is still ongoing.
367	Operate	To function or perform surgery	The machine doesn’t operate properly. / The doctor will operate tomorrow.
368	Opponent	A rival or adversary	She defeated her opponent in the match.
369	Opportunity	A chance for success	This job is a great opportunity.
370	Oppose	To be against something	They oppose the new policy.
371	Opposite	Directly across or contrary	The bank is on the opposite side of the street.
372	Optimistic	Hopeful about the future	She remains optimistic about her chances.
373	Option	A choice	You have two options: stay or leave.
374	Ordinary	Common or usual	It was an ordinary day at work.
375	Organize	To arrange systematically	She will organize the files by date.
376	Outcome	The final result	The outcome of the game was unexpected.
377	Outlook	A view or attitude	His positive outlook helps him succeed.
378	Outstanding	Excellent or unpaid	She did an outstanding job. / He has outstanding debts.
379	Overall	Taking everything into account	Overall, the trip was a success.
380	Overcome	To defeat or deal with	He managed to overcome his fear.
381	Oversee	To supervise	She will oversee the construction project.
382	Overwhelm	To overpower emotionally or physically	The news overwhelmed her with joy.
383	Owe	To be in debt	I owe him $50.
384	Owing to	Because of	The game was canceled owing to rain.
385	Ongoing	Still in progress	Peace talks are ongoing.
386	Ownership	The state of owning something	The ownership of the land is disputed.
387	Pack	To put things together for travel	She will pack her suitcase tonight.
388	Pale	Lacking color	He looked pale after being sick.
389	Panel	A group of experts	A panel of judges chose the winner.
390	Participate	To take part	Many students participated in the event.
391	Particular	Specific	I’m interested in this particular book.
392	Partnership	A cooperative relationship	They formed a business partnership.
393	Passion	A strong feeling	He has a passion for music.
394	Passive	Not active	She remained passive during the discussion.
395	Patience	The ability to wait calmly	Good teachers must have patience.
396	Pattern	A repeated design or behavior	The dress has a floral pattern.
397	Pause	A temporary stop	She took a pause before speaking.
398	Peak	The highest point	The climbers reached the mountain’s peak.
399	Perceive	To become aware of	I perceived a change in his tone.
400	Perception	How something is understood	Public perception of the issue has changed.
401	Perform	To carry out an action	She will perform on stage tonight.
402	Performance	The act of doing something	His job performance is excellent.
403	Permanent	Lasting forever	She got a permanent tattoo.
404	Permit	To allow	Smoking is not permitted here.
405	Persist	To continue firmly	He will persist until he succeeds.
406	Personal	Relating to an individual	This is a personal matter.
407	Personnel	Employees or staff	The company hired new personnel.
408	Perspective	A point of view	Try to see things from her perspective.
409	Persuade	To convince someone	He tried to persuade her to join.
410	Phenomenon	A remarkable event or fact	Aurora Borealis is a natural phenomenon.
411	Philosophy	Study of fundamental questions	He follows a strict philosophy of life.
412	Physical	Related to the body	Regular exercise improves physical health.
413	Pioneer	Someone who is first to explore	She was a pioneer in computer science.
414	Placebo	A harmless substance with no therapeutic effect	The patient was given a placebo in the trial.
415	Planned	Arranged in advance	They had a planned schedule for the event.
416	Policy	A set of rules or guidelines	The company has a strict policy on attendance.
417	Political	Related to government or politics	He is very active in political debates.
418	Pollution	Harmful contamination of the environment	Factories cause air pollution.
419	Popular	Liked by many people	The singer is extremely popular.
420	Portion	A part of something	He ate a small portion of the cake.
421	Position	Place or job	She holds a high position in the company.
422	Positive	Good or confident	She has a positive attitude.
423	Possess	To own or have	He possesses great wealth.
424	Possibility	Something that may happen	There is a possibility of rain tomorrow.
425	Potential	Capable of becoming something	She has potential as a writer.
426	Practical	Useful and realistic	He gave practical advice.
427	Practice	Repeated exercise to improve	Daily practice improves skills.
428	Precaution	A measure taken to prevent harm	Wear gloves as a precaution.
429	Precise	Exact and accurate	The measurement must be precise.
430	Predict	To say what will happen	Experts predict economic growth.
431	Preference	A greater liking for something	I have a preference for tea over coffee.
432	Prejudice	Unfair opinion	We must fight racial prejudice.
433	Preparation	The process of getting ready	Proper preparation is key for exams.
434	Present	To show or give	She presented her project to the class.
435	Preserve	To protect	We must preserve natural resources.
436	Press	To push or media	He pressed the button. / The press covered the event.
437	Pressure	Force or stress	The team works well under pressure.
438	Prestige	Respect or importance	The university has high prestige.
439	Prevent	To stop something from happening	Vaccines prevent diseases.
440	Previous	Before something else	In my previous job, I managed a team.
441	Primary	Most important	Education is a primary concern.
442	Prime	Best quality or time	This is the prime location for a store.
443	Principal	Main or head of school	The principal gave a speech.
444	Principle	A fundamental truth or law	Honesty is a key principle.
445	Prior	Before in time	She had no prior experience in marketing.
446	Priority	Something of importance	Safety is our top priority.
447	Proceed	To continue	After the break, we will proceed with the meeting.
448	Process	A series of actions	Manufacturing is a complex process.
449	Produce	To make or create	Farms produce fruits and vegetables.
450	Product	Something made for sale	The company launched a new product.
451	Professional	Related to work or skilled	She is a professional photographer.
452	Profit	Money earned	The company made a large profit.
453	Project	A planned work or task	They started a new building project.
454	Prominent	Important or noticeable	He is a prominent scientist.
455	Promote	To support or advance	The company promotes eco-friendly products.
456	Prompt	On time or to cause	She gave a prompt reply. / The news prompted action.
457	Proof	Evidence	He provided proof of his claim.
458	Proper	Correct or suitable	Make sure you wear proper clothes.
459	Proportion	Part of a whole	A large proportion of students passed.
460	Propose	To suggest	She proposed a new plan.
461	Prospect	Possibility	The prospect of promotion motivated him.
462	Protect	To keep safe	Always protect your personal information online.
463	Prove	To show as true	He proved his theory with evidence.
464	Provide	To give	The hotel provides free breakfast.
465	Psychology	Study of the mind	She is studying psychology at university.
466	Public	Relating to people in general	The park is public property.
467	Publication	Something published	The research publication was widely read.
468	Publish	To make public	The author will publish her new book next month.
469	Purpose	Reason for doing something	The purpose of this meeting is to plan the event.
470	Pursue	To follow or strive for	He pursued a career in medicine.
471	Qualify	To meet requirements	She qualified for the championship.
472	Quality	Standard of something	This restaurant is known for high quality food.
473	Quantity	Amount	The factory produces large quantities of steel.
474	Questionnaire	A set of questions	The company sent a questionnaire to its customers.
475	Quiet	Making little noise	The library is very quiet.
476	Rapid	Very fast	There was a rapid increase in sales.
477	Rare	Uncommon	This bird is extremely rare.
478	Rate	Level or speed	The rate of inflation is rising.
479	React	To respond	He reacted angrily to the news.
480	Reaction	Response	Her reaction surprised everyone.
481	Reasonable	Fair or sensible	That’s a reasonable request.
482	Recall	To remember	I recall meeting him last year.
483	Receive	To get	She received a letter from her friend.
484	Recent	Happening not long ago	The recent storm caused damage.
485	Recognize	To identify	I recognized him from the photo.
486	Recommend	To suggest	I recommend this book to everyone.
487	Record	To store or document	He recorded the meeting on video.
488	Recover	To get back or heal	She recovered from the illness quickly.
489	Reduce	To make smaller	The company reduced its expenses.
490	Refer	To mention or direct	He referred to several articles.
491	Reflect	To show or think deeply	The mirror reflects light. / She reflected on her past.
492	Reform	To improve by change	The government promised to reform education.
493	Refuse	To decline	He refused the invitation politely.
494	Regard	Consideration or respect	She is highly regarded in her field.
495	Regret	Feeling sorry	He regretted his decision.
496	Regular	Usual or standard	I go for a regular check-up.
497	Regulate	To control	The law regulates the banking sector.
498	Reinforce	To strengthen	The teacher reinforced the lesson with examples.
499	Reject	To refuse to accept	She rejected the offer.
500	Relate	To connect or tell	Can you relate the story clearly?
501	Relationship	Connection between people	They have a close relationship.
502	Relax	To rest	I like to relax after work.
503	Release	To let go or publish	The company released a new app.
504	Relevant	Closely connected	Only relevant information is included.
505	Reliable	Dependable	He is a reliable friend.
506	Reluctant	Hesitant	She was reluctant to speak.
507	Remain	To stay	He remained calm under pressure.
508	Remark	Comment or notice	She made a remark about the dress.
509	Remember	To keep in mind	Remember to lock the door.
510	Remind	To help someone recall	Can you remind me about the meeting?
511	Remove	To take away	Remove your shoes before entering.
512	Render	To cause or provide	The news rendered him speechless.
513	Renew	To make new again	We need to renew our subscription.
514	Repeat	To do again	Please repeat the instructions.
515	Replace	To take the place of	He replaced the old printer.
516	Reply	To answer	She replied to the email quickly.
517	Report	To give information	The journalist reported the event.
518	Represent	To stand for	This symbol represents freedom.
519	Require	To need or demand	This job requires experience.
520	Rescue	To save	Firefighters rescued the family.
521	Research	Systematic study	She is conducting research on climate change.
522	Resemble	To look like	He resembles his father.
523	Resent	To feel bitter	She resented being left out.
524	Reserve	To keep or book	We reserved a table at the restaurant.
525	Resident	A person living in a place	The residents voted in the election.
526	Resist	To oppose	She resisted the temptation.
527	Resolve	To find a solution	They resolved the conflict peacefully.
528	Respect	High regard	Treat everyone with respect.
529	Respond	To reply	He responded to the question confidently.
530	Responsible	Being accountable	She is responsible for the project.
531	Restore	To bring back	They restored the old painting.
532	Restrict	To limit	The school restricted access to the library.
533	Result	Outcome	The experiment resulted in success.
534	Retain	To keep	The company retains skilled workers.
535	Retire	To stop working	He plans to retire at 65.
536	Reveal	To make known	The magician revealed his trick.
537	Revenue	Income	The company’s revenue increased.
538	Reverse	Opposite or turn back	The decision was reversed.
539	Review	To examine again	I need to review my notes.
540	Revise	To change or correct	Students should revise before the exam.
541	Reward	A benefit or prize	Hard work deserves a reward.
542	Ridiculous	Absurd or silly	That idea is ridiculous.
543	Risk	Danger or chance of loss	Driving fast is a risk.
544	Role	Function or part	She played a leading role in the play.
545	Rotate	To turn around	The tires rotate as the car moves.
546	Rough	Not smooth or harsh	The sea was very rough today.
547	Routine	Regular pattern	Exercise is part of my daily routine.
548	Rule	Guideline or law	Follow the rules carefully.
549	Rural	Countryside	They live in a rural area.
550	Sacred	Holy or respected	The temple is sacred.
551	Safe	Free from danger	Keep the children safe.
552	Salary	Payment for work	Her salary is paid monthly.
553	Sample	A small part or example	We tested a sample of the product.
554	Satisfied	Content or pleased	She was satisfied with the results.
555	Save	To keep safe or money	Save your work often. / He saved money for a car.
556	Scale	Size or measure	The mountain is on a large scale.
557	Scarce	Rare or insufficient	Food was scarce during the drought.
558	Scheme	Plan or program	The company launched a new scheme.
559	Scholar	Learned person	He is a respected scholar.
560	Scientific	Based on science	They conducted scientific research.
561	Score	Points or result	She got a high score on the test.
562	Scrutinize	To examine carefully	The lawyer scrutinized the contract.
563	Search	To look for	Police searched the building.
564	Secure	Safe or to obtain	The building is secure. / He secured a loan.
565	Seek	To try to find	She sought advice from a mentor.
566	Select	To choose	Select the best candidate.
567	Selfish	Caring only about oneself	Don’t be selfish; share with others.
568	Sensitive	Easily affected	He is sensitive to criticism.
569	Separate	To divide	They decided to separate the two groups.
570	Sequence	Order of events	The events happened in sequence.
571	Serious	Important or not joking	This is a serious issue.
572	Service	Work done for others	The hotel offers excellent service.
573	Settle	To resolve or establish	They settled the dispute. / He settled in London.
574	Severe	Very serious	He suffered severe injuries.
575	Shape	Form or figure	The sculpture had a strange shape.
576	Share	To give part of	She shared her food with him.
577	Shift	Change or work period	There was a shift in the weather. / I work the night shift.
578	Shortage	Lack of something	There is a shortage of water.
579	Shrink	To become smaller	The sweater will shrink in the wash.
580	Significant	Important	This is a significant discovery.
581	Similar	Alike	These two paintings are very similar.
582	Simulate	To imitate	The software simulates real conditions.
583	Sincere	Honest and genuine	She gave a sincere apology.
584	Skill	Ability to do something	He has excellent skills in programming.
585	Sketch	Rough drawing	He made a quick sketch of the landscape.
586	Solve	To find a solution	We need to solve this problem.
587	Source	Origin or place	The river is the source of water.
588	Special	Unique or important	Today is a special day.
589	Specific	Clearly defined	Give a specific example.
590	Spectacular	Impressive	The fireworks were spectacular.
591	Speech	Spoken communication	She gave a moving speech.
592	Spend	To use money or time	He spent all his savings.
593	Spirit	Attitude or essence	She has a strong spirit.
594	Spontaneous	Done without planning	Their reaction was spontaneous.
595	Stable	Firm or steady	The economy is now more stable.
596	Stage	Phase or platform	The project is at an early stage. / She performed on stage.
597	Standard	Level of quality	The school maintains high standards.
598	Starve	To suffer from lack of food	Many animals starve in winter.
599	State	Condition or declare	The patient’s state is critical. / He stated his opinion.
600	Statistic	Numerical data	The statistics show a rising trend.
601	Status	Position or condition	Her status in the company is high.
602	Steady	Firm or constant	Keep a steady pace while running.
603	Step	Movement or stage	Take one step at a time. / This is the next step in the process.
604	Succeed	To achieve	She succeeded in passing the exam.
605	Successful	Having achieved goals	He is a successful businessman.
606	Sufficient	Enough	There is sufficient food for everyone.
607	Suggest	To propose	I suggest taking a break.
608	Summarize	To give a brief overview	Summarize the main points of the article.
609	Superior	Higher in quality	This model is superior to the previous one.
610	Support	To help	Friends support each other in difficult times.
611	Suppose	To assume	I suppose it will rain tomorrow.
612	Surprise	Unexpected event	The party was a big surprise.
613	Surround	To encircle	The house is surrounded by trees.
614	Survey	To examine or ask questions	The company conducted a survey.
615	Survive	To continue to live	Many species survive in harsh conditions.
616	Suspect	To believe something is true	I suspect he is lying.
617	Sustain	To maintain	The team couldn’t sustain their performance.
618	Symbol	A sign representing something	The dove is a symbol of peace.
619	System	Organized method	The solar system has eight planets.
620	Tackle	To deal with	The government will tackle unemployment.
621	Task	A job or duty	Completing the task took all day.
622	Team	Group working together	The team won the match.
623	Technique	Method or skill	He learned a new drawing technique.
624	Temporary	Not permanent	The closure is temporary.
625	Tend	To be likely	People tend to overeat during holidays.
626	Tension	Mental or physical strain	There was a lot of tension in the room.
627	Term	Word or period	The legal term is complicated. / The school term ends in June.
628	Terminate	To end	They terminated the contract.
629	Theory	Idea or principle	Darwin’s theory of evolution is famous.
630	Threat	Danger or warning	Climate change is a serious threat.
631	Tolerate	To allow or endure	I cannot tolerate rudeness.
632	Traditional	Long-established	They wear traditional costumes during festivals.
633	Transfer	To move	She transferred the files to another computer.
634	Transform	To change completely	The city has transformed over the years.
635	Translate	To convert language	He translated the text into French.
636	Transport	To carry from one place to another	Goods are transported by truck.
637	Trend	General direction	The latest trend is eco-fashion.
638	Trial	Test or legal process	The new drug is in trial. / He faced a trial for theft.
639	Trick	Clever action or deception	The magician performed a trick.
640	Trust	Confidence or rely on	I trust you completely.
641	Typical	Usual	This is a typical example of his work.
642	Ultimate	Final or best	Winning the championship was the ultimate goal.
643	Unaware	Not knowing	She was unaware of the meeting.
644	Unclear	Not certain	The instructions are unclear.
645	Undergo	To experience	He will undergo surgery next week.
646	Understand	To comprehend	I understand the problem.
647	Unfortunate	Bad or unlucky	It was unfortunate that it rained.
648	Unique	One of a kind	Each painting is unique.
649	Unite	To join together	The leaders united for peace.
650	Universal	Common to all	Music is a universal language.
651	Unless	Except if	You won’t pass unless you study.
652	Unlikely	Not probable	It’s unlikely to snow today.
653	Upgrade	To improve	They upgraded their software.
654	Urgent	Requiring immediate action	This is an urgent matter.
655	Use	To employ or consume	Use your time wisely.
656	Utilize	To make use of	We utilize solar energy.
657	Vacant	Empty	The apartment is vacant.
658	Validate	To confirm	The results validated the experiment.
659	Value	Worth	Family has great value to me.
660	Variable	Changeable factor	Weather is a variable in agriculture.
661	Vast	Huge	The desert is vast and empty.
662	Vehicle	Means of transport	Cars and buses are vehicles.
663	Verify	To check	Please verify the information.
664	Visible	Able to be seen	The moon was clearly visible.
665	Vision	Ability to see or idea	He has a clear vision for the company.
666	Vital	Extremely important	Water is vital for life.
667	Volunteer	Someone who offers help	She volunteers at the hospital.
668	Vulnerable	At risk	Children are vulnerable to illness.
669	Wage	Payment for work	The workers earn a fair wage.
670	Warn	To advise of danger	The sign warns of slippery floors.
671	Waste	Unused or spoiled	Don’t waste food.
672	Weak	Lacking strength	The team is weak in defense.
673	Wealth	Abundance of money	He inherited great wealth.
674	Weapon	Tool for fighting	Guns are dangerous weapons.
675	Weekly	Happening every week	I have a weekly meeting.
676	Welcome	Greet or receive gladly	You are welcome to join us.
677	Widespread	Found everywhere	The problem is widespread.
678	Willing	Ready to do something	She is willing to help.
679	Withdraw	To take back	He withdrew his statement.
680	Witness	Someone who sees an event	The witness testified in court.
681	Wonderful	Very good or impressive	We had a wonderful time.
682	Word	Unit of language	Write one word per line.
683	Work	Activity for purpose	She works in a bank.
684	Worldwide	Everywhere in the world	The event was worldwide.
685	Worthy	Deserving respect	He is worthy of praise.
686	Yearly	Happening every year	The yearly festival starts in July.
687	Yield	Produce or give way	The farm yields crops. / Cars must yield at the intersection.
688	Young	Not old	The young children played outside.
689	Zeal	Great energy or enthusiasm	She works with zeal.
690	Zero	Number 0	The temperature dropped to zero.
691	Zone	Area	This is a no-parking zone.

C1 Vocabulary Test

How This Quiz Reflects C1 Vocabulary Level

The vocabulary in this quiz represents what is typically expected from a C1-level English user. At this stage, learners move beyond daily communication and start using language to analyze, evaluate, and explain ideas with clarity. Words such as plausible, empirical, stakeholder, and feasible regularly appear in professional reports, academic texts, and opinion-based writing, which is why they are central to C1 vocabulary development.

What to Aim for at C1 Vocabulary Level

At C1, progress is less about learning large numbers of new words and more about using familiar advanced words correctly and confidently. A strong C1 learner can:

• choose words that fit the context rather than repeating basic vocabulary
• express opinions with precision and logical structure
• paraphrase complex ideas without losing meaning

For example, instead of repeatedly saying “important,” a C1 speaker naturally selects significant, relevant, or crucial depending on the situation.

Turning Quiz Words into Active Vocabulary

Getting the right answer in a quiz does not mean the word is fully learned. Vocabulary becomes truly useful only when it is actively used. A simple but effective approach is to work with a small number of words at a time:

• pick three to five words from the quiz
• write a short paragraph using them naturally
• try using at least one of them in conversation the same day

This kind of focused practice is what turns recognition into real fluency.

When Are You Ready to Move Beyond C1?

Many learners reach a point where C1 vocabulary no longer feels “advanced” but normal. This usually happens when words come to mind quickly, usage feels natural, and meaning is communicated without hesitation. At that stage, the learner is ready to move toward C2, where the emphasis shifts from clarity to nuance, tone, and stylistic control.

Final Tip: Practice Daily

Even just 10 minutes a day with focused vocabulary study will grow your word power tremendously over time.

💡 Pro tip: Don’t just memorize — activate the words. Use them in writing, speaking, and thinking.

Ready to Take the Next Step?

✅ Save this list
✅ Choose 10 words today
✅ Start using them in real life!

Let me know if you’d like this content formatted for social media (Instagram carousel, LinkedIn post, or X thread), or if you want a printable version of the word list with sample sentences!

How to Memorize These C1 Words Easily

Method	What to Do
📒 Flashcards	Create digital or physical flashcards. Front = word, Back = meaning + sample sentence.
📓 Notebook Practice	Write each word in your own sentence. Review weekly.
🎧 Audio Repetition	Record the words and listen during walks or chores.
🎭 Role Play	Use new words in pretend situations (job interview, debate, etc.)
🔁 SRS Apps	Use tools like Anki to review words scientifically.