aeon
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN English BN Bengali HI Hindi ES Spanish FR French DE German RU Russian ZH Chinese JA Japanese
All Vocabulary Cards All Vocabularies
C2 noun /ˈiːɒn/ or /ˈiːən/

aeon

Meaning
An indefinitely long period of time; an age or eternity.
Example
Dinosaurs roamed the Earth millions of aeons ago.
C2 noun /ˈæntiˌkraɪst/

antichrist

Meaning
A person regarded as the supreme opponent of Christ, often seen as a figure of ultimate evil.
Example
Some people fear the rise of an Antichrist in the future.
C1 noun /ˈænərkɪst/

anarchist

Meaning
a person who believes in or promotes the absence of government or authority
Example
The anarchist group protested against state control.
C2 verb /ˈæmərˌtaɪz/

amortize

Meaning
To gradually reduce or pay off a debt with regular payments.
Example
They plan to amortize the mortgage over 20 years.
B2 noun (plural) /ˈɑːrtɪˌfæks/

artifacts

Meaning
objects made by humans, often of historical or cultural importance
Example
Archaeologists discovered valuable artifacts in the ruins.
C1 adjective /ɔːlˈmaɪ.ti/

Almighty

Meaning
having unlimited power; omnipotent
Example
The almighty storm destroyed everything in its path.
C2 noun /ˌæriˈviːst/

arriviste

Meaning
A person who has recently gained wealth or status but is considered arrogant or socially unsophisticated.
Example
The business world is full of ambitious arrivistes.
C1 adjective /æbˈdɑː.mə.nəl/

abdominal

Meaning
relating to the abdomen (the part of the body between the chest and pelvis)
Example
He complained of severe abdominal pain.
A1 noun /ænt/

aunt

Meaning
the sister of your father or mother, or the wife of your uncle
Example
My aunt always gives me gifts on my birthday.
C1 adjective /ˌeɪsɪˈmɛtrɪk/

asymmetric

Meaning
Not having equal or corresponding parts; lacking symmetry.
Example
The design of the building is asymmetric and unusual.
C2 noun /əˈpɒθəˌkɛri/

apothecary

Meaning
A historical term for a person who prepared and sold medicines and drugs.
Example
The village apothecary provided remedies for many common illnesses.
B2 verb /ˈæləkeɪt/

allocate

Meaning
to distribute or assign resources, duties, or responsibilities for a specific purpose
Example
The manager allocated funds for the new project.
C1 adjective /ˈædəmənt/

Adamant

Meaning
একগুঁয়ে; জেদী; দৃঢ়সংকল্প; অনমনীয়;
Example
She was adamant about her decision to leave the company.
C2 adverb /əˈmʌk/

amuck

Meaning
in a frenzied, uncontrolled, or chaotic manner
Example
The bull ran amuck through the village.
B2 noun /ˈænsestri/

ancestry

Meaning
one’s family origins or lineage
Example
He is proud of his royal ancestry.
C1 noun /ˈæltoʊ/

alto

Meaning
the second highest adult singing voice, between soprano and tenor
Example
She sang the alto part in the choir beautifully.
C2 verb /əˈvɜːr/

aver

Meaning
to state or assert something confidently and strongly
Example
She averred that she was innocent.
B2 adjective /ˌæn.tiˈsoʊ.ʃəl/

Antisocial

Meaning
avoiding social interaction; hostile to social order
Example
His antisocial behavior made it difficult for him to make friends.
A1 adverb /əˈɡen/

Again

Meaning
once more; another time; in addition
Example
I need to read this book again to understand it better.
A2 verb əˈnaʊnst

announced

Meaning
To make a public and typically formal declaration about a fact, occurrence, or intention.
Example
The mission was announced publicly.
A1 determiner/pronoun /əˈnʌðər/

another

Meaning
one more person or thing of the same type
Example
Can I have another cup of tea?
A2 noun /ænt/

Ant

Meaning
a small insect that lives in organized colonies and is known for hard work
Example
The ant carried a crumb that was twice its size.
B1 adjective /eɪdʒd/

aged

Meaning
having lived for a specified number of years; old
Example
The aged man sat in the park, watching the children play.
A2 verb /əˈlaʊ/

allow

Meaning
to give permission for something to happen or someone to do something
Example
The teacher did not allow phones in class.
B2 adjective æmˈbɪɡ.ju.əs

ambiguous

Meaning
Having more than one possible meaning; unclear or vague.
Example
His statement was too ambiguous to understand.
B1 noun ɔːlˈtɜːrnətɪv

alternative

Meaning
(Of one or more things) available as another possibility or choice.
Example
Finding an alternative to plastic is essential.
B2 verb /əˈspaɪər/

aspire

Meaning
to have a strong desire to achieve something
Example
Many students aspire to study abroad.
C1 noun /ˈænti ˈeəkræft ɡʌn/

Anti-aircraft-gun

Meaning
a weapon designed to attack aircraft from the ground
Example
The anti-aircraft gun was positioned to defend the military base.
A2 noun ækt

act

Meaning
A written law passed by a legislative body.
Example
The act was passed in 2023.
C2 verb /əˈnɔɪnt/

anoint

Meaning
To smear or rub with oil, often as part of a religious ceremony or as a sign of consecration.
Example
The priest anointed the king with holy oil.
B1 noun /ˈækses/

Access

Meaning
the ability, right, or permission to approach, enter, or pass to and from a place
Example
Students have access to the library 24 hours a day.
C2 verb /ˌæntɪˈsiːd/

antecede

Meaning
to come before in time or order
Example
A short introduction usually antecedes the main text.
C2 noun /ˈæntɪkwɛri/

antiquary

Meaning
A person who studies, collects, or deals in antiques or ancient objects.
Example
The antiquary spent years collecting rare manuscripts from the medieval period.
C1 adjective /əˈrɛstɪŋ/

arresting

Meaning
Attracting attention in a striking or impressive way.
Example
The actress gave an arresting performance.
C2 adjective /ˈærənt/

arrant

Meaning
complete or utter (used negatively, e.g., 'arrant nonsense')
Example
His excuse was arrant nonsense.
C1 adjective /ˌærɪˈstɒkrætɪk/

Aristocratic

Meaning
noble; having the manners of the upper class
Example
She had an aristocratic bearing that commanded respect.
C2 adjective /ˌæk.rɪˈmoʊ.ni.əs/

acrimonious

Meaning
Bitter and angry, often involving harsh words.
Example
The debate turned acrimonious after the controversial remark.
A2 adjective, adverb, interjection /ɔːlˈraɪt/

alright

Meaning
satisfactory or acceptable; safe or unharmed; used to express agreement or acknowledgment
Example
Everything is going to be alright.
C2 noun /ˈæsənəns/

assonance

Meaning
the repetition of vowel sounds in nearby words in poetry or prose
Example
The poet used assonance to create a musical effect in his verse.
B2 noun ədˈvɑːns.mənt

advancement

Meaning
The process of promoting or moving forward; development or improvement in a particular area.
Example
Technological advancement shapes the future.
B1 noun ˈɔːdioʊ ˈlɛsənz

audio lessons

Meaning
Educational content delivered through sound recordings, typically used for language learning and skill development.
Example
Audio lessons are useful for listening skills.
B2 noun /ɔːˈtɒn.ə.məs ˈviː.ɪ.kəlz/

autonomous vehicles

Meaning
Vehicles that can operate and move without human intervention or control.
Example
Autonomous vehicles are revolutionizing the future of transport.
C2 noun /əbˈdʌktər/

abductor

Meaning
a person who kidnaps or forcibly takes someone away
Example
The police arrested the abductor after a nationwide search.
B1 noun /əˈkædəmi/

academy

Meaning
an institution of learning or training
Example
He enrolled in a military academy.
C1 adjective /ˈædʒɪteɪtɪd/

Agitated

Meaning
disturbed; anxious; restless; excited in a negative way
Example
He became agitated when he heard the bad news.
C2 adjective /ɔːˈrɪkjʊlər/

auricular

Meaning
Relating to the ear or hearing.
Example
The doctor used an auricular thermometer to check the patient's temperature.
A2 verb /əˈtækt/

attacked

Meaning
physically or verbally assaulted someone or something; launched an aggressive action against a target
Example
The soldiers attacked the enemy at dawn.
C1 adjective /ˈædʒ.aɪl/

agile

Meaning
able to move quickly and easily; quick and adaptable in thinking or action
Example
The startup team was agile in responding to market changes.
C1 adjective ˌæd.vɚˈser.i.əl

adversarial

Meaning
Involving or characterized by conflict or opposition.
Example
The two companies have an adversarial relationship in the market.
C1 adverb /ɔːˈtɒnəməsli/

autonomously

Meaning
In an independent or self-governing manner.
Example
The robot can operate autonomously without human intervention.
C1 adjective /ˈæʃən/

ashen

Meaning
Very pale in appearance, often due to shock, fear, or illness.
Example
His face turned ashen when he heard the terrible news.
C1 adjective /ɔːˈtɒn.ə.məs/

autonomous

Meaning
Acting independently or having the freedom to do so.
Example
Autonomous systems ensure greater precision.
B2 noun /əˈluːmɪnəm/

aluminum

Meaning
a lightweight silvery metal used for making cans, foils, and other items
Example
The airplane body is made of strong but light aluminum.
C2 adjective/adverb /ˌæ.prəˈpoʊ/

apropos

Meaning
Appropriate to the situation; relevant. As an adverb, it means 'with reference to' or 'regarding'.
Example
His comments were not apropos of the discussion.
A1 noun/adjective /əˈmerɪkən/

american

Meaning
relating to the United States or its people
Example
She is an American citizen.
C1 noun /ɔːˈrɔːrə/

aurora

Meaning
A natural display of lights in the sky, usually seen in polar regions.
Example
We traveled to Norway to see the northern aurora.
A2 noun əˈɡriː.mənt

agreement

Meaning
A negotiated arrangement between parties as to a course of action.
Example
The agreement was accepted by all countries.
C2 adjective /ˌæktʃuˈɛəriəl/

actuarial

Meaning
Relating to actuaries or their work of analyzing financial risk and uncertainty, especially in insurance and pensions.
Example
The company relied on actuarial reports to set insurance premiums.
B2 adjective /əˈdʒeɪsənt/

Adjacent

Meaning
পার্শ্ববর্তী; সংলগ্ন; নিকটবর্তী;
Example
The hotel is adjacent to the shopping mall.
B1 adjective /əˈlɜːrt/

alert

Meaning
quick to notice and respond to potential danger or issues; aware and attentive
Example
The alert dog barked at the stranger approaching the house.
C1 noun /æbˈstrækʃən/

abstraction

Meaning
the process of forming general ideas by removing specific details; an abstract concept or idea
Example
Abstraction allows complex ideas to be represented in a simplified form.
C2 noun /əˈluːviən/

alluvion

Meaning
The gradual increase of land by the deposit of soil from water; also, a flood or overflow of water.
Example
The river’s alluvion added new fertile land to the village fields.
C2 noun /əˌnʌn.siˈeɪ.ʃən/

annunciation

Meaning
The announcement of something; in Christianity, the announcement by the angel Gabriel to Mary that she would conceive Jesus.
Example
The church celebrated the Feast of the Annunciation with a special service.
A2 adjective /əˈnɔɪɪŋ/

annoying

Meaning
causing irritation or mild anger; bothersome or troublesome
Example
The constant noise from the street was extremely annoying.
C2 adjective /əˈmɔːrfəs/

amorphous

Meaning
Lacking a clear shape or form; without a defined structure.
Example
The plan remained amorphous and lacked concrete details.
A2 adverb /æz ˈjuː.ʒu.əl/

As usual

Meaning
in the way that is normal or typical; customarily
Example
As usual, he arrived late to the meeting.
A1 adverb /əˈraʊnd/

Around

Meaning
in a circle; on all sides; in the vicinity; approximately
Example
Look around and you will see many beautiful flowers.
A1 noun /ˈɛərpleɪn/

airplane

Meaning
a powered flying vehicle with fixed wings and engines
Example
The airplane took off smoothly from the runway.
B1 noun əˈses.mənt

assessment

Meaning
The evaluation or estimation of the nature, quality, or ability of someone or something.
Example
The assessment process ensures fairness.
C1 noun ˈæf.lu.əns

affluence

Meaning
The state of having a great deal of money; wealth.
Example
His affluence allowed him to travel the world.
B2 noun /ɑːrˈkeɪd/

arcade

Meaning
a covered passage with arches along one or both sides; also a place with coin-operated games
Example
The children spent the afternoon playing games at the arcade.
A2 adverb /əˈbʌv/

Above

Meaning
in or to a higher place; overhead
Example
The airplane flew above the clouds.
B1 adverb /əˈprɒk.sɪ.mət.li/

approximately

Meaning
used to show that something is almost, but not completely, accurate or exact
Example
The journey takes approximately three hours.
C1 adverb /əˈbrɛst/

abreast

Meaning
side by side and facing the same direction; informed about something
Example
The soldiers marched two abreast down the street.
B1 noun /ˈɔːtəmoʊbiːl/

automobile

Meaning
a road vehicle powered by an engine, typically with four wheels
Example
He bought a new automobile last week.
C1 adjective /ɔːˈstɪə/

austere

Meaning
Severe or strict in manner, attitude, or appearance; plain and simple.
Example
The monk lived an austere life in the mountains.
B2 verb /əˈkweɪnt/

acquaint

Meaning
to make someone familiar with something; to inform or introduce
Example
Please acquaint yourself with the safety guidelines before operating the machine.
C2 noun /ˈiːdʒɪs/

aegis

Meaning
The protection, backing, or support of a particular person or organization.
Example
The project was carried out under the aegis of the United Nations.
B2 adjective /əˈdɪktɪd/

addicted

Meaning
Being unable to stop engaging in a particular activity or consuming a particular substance.
Example
Many people are addicted to social media.
C2 adjective /ˈæsənənt/

assonant

Meaning
Having or characterized by assonance; repeating similar vowel sounds.
Example
The poem is filled with assonant words that create a musical rhythm.
C2 noun /ˈæl.kə.laɪ ækt/

Alkali Act

Meaning
A British law passed in 1863 to regulate the emission of hydrochloric acid gas from alkali works, representing one of the first pieces of environmental legislation.
Example
The Alkali Act of 1863 was one of the first environmental laws.
B2 adverb /ˈæktɪvli/

actively

Meaning
in a way that involves energetic participation or effort
Example
He is actively involved in community service.
C1 noun /ˌænθrəˈpɒlədʒɪst/

anthropologist

Meaning
a person who studies human societies, cultures, and their development
Example
The anthropologist spent years studying the tribal community.
B1 noun /ɛr pəˈluːʃən/

air pollution

Meaning
The presence of harmful or poisonous substances in the air, typically caused by industrial processes, vehicle emissions, or other human activities.
Example
Air pollution from factories led to the first environmental movement.
C2 noun /ˈæf.ə.rɪ.zəm/

aphorism

Meaning
a short, witty saying that expresses a general truth or principle
Example
He began his speech with an aphorism about life and success.
C2 noun ˌæɡ.roʊˈiː.koʊˌsɪs.təm

agroecosystem

Meaning
An ecological system centered on agricultural activities and processes.
Example
A healthy agroecosystem improves soil fertility.
C1 verb /ˈɑːrbɪtreɪt/

arbitrate

Meaning
to settle a dispute between two parties by acting as an impartial judge
Example
The committee agreed to arbitrate the contract dispute.
C1 noun /ˈænərki/

anarchy

Meaning
a state of disorder due to the absence or failure of government or authority
Example
The collapse of the regime led to anarchy in the streets.
A1 determiner, pronoun, adverb /ɔːl/

all

Meaning
the whole quantity or extent of something; every one of something
Example
She spent all her money on books.
C2 verb /əˈdjuːs/

adduce

Meaning
To provide evidence or reasons to support an argument or idea.
Example
The lawyer adduced several examples to support his case.
B2 adverb /əˈfek.ʃən.ət.li/

Affectionately

Meaning
in a way that shows feelings of liking or love; with fondness and care
Example
She hugged her grandmother affectionately.
C2 noun /ˈɑːrkeɪndʒəl/

archangel

Meaning
A high-ranking angel, often considered a chief messenger or leader among angels.
Example
Michael is often depicted as the most powerful archangel.
C1 adjective /əˈsɛndənt/

ascendant

Meaning
Rising in power or influence; dominant.
Example
She is an ascendant leader in the political party.
C1 noun, adverb /ˈeɪliəs/

alias

Meaning
A false or assumed identity; also used to mean 'otherwise called'.
Example
The criminal was known by the alias 'Shadow'.
A2 noun /əˈɡriː.mənts/

agreements

Meaning
Formal arrangements or understandings between two or more parties.
Example
Agreements strengthen partnerships.
A2 noun /ˈeə.ri.ə/

area

Meaning
a particular region or space; the extent of a surface
Example
This area is known for its beautiful parks.
B2 noun /ˌænθrəˈpɒlədʒi/

anthropology

Meaning
the scientific study of humans, their societies, cultures, and development
Example
She decided to major in anthropology at university.
C2 adjective /ˌɑːrbəˈrɛsənt/

arborescent

Meaning
having the appearance or characteristics of a tree; tree-like
Example
The coral had an arborescent form that resembled a miniature forest.
C1 noun /ˈækwɪˌdʌkt/

aqueduct

Meaning
a structure built to carry water over long distances
Example
The Romans built aqueducts to supply water to their cities.
C1 noun /əˌsaɪˈniː/

assignee

Meaning
a person to whom a right or property is legally transferred
Example
The assignee of the contract is responsible for all future obligations.
C2 noun /ˈeɪ.viˌɛr.i/

aviary

Meaning
a large enclosure for keeping birds
Example
The zoo built a new aviary for exotic parrots.
B2 adjective /əˈbʌndənt/

abundant

Meaning
existing or available in large quantities; plentiful
Example
The garden was abundant with colorful flowers.
C1 noun əˈɡrɛriən səˈsaɪətiz

agrarian societies

Meaning
Societies based on agriculture and farming as the primary economic activity.
Example
Agrarian societies emerged from a need for stable food sources.
C2 adjective /ˌæntɪˈmʌndeɪn/

antemundane

Meaning
Existing or occurring before the creation of the world.
Example
Some myths speak of an antemundane chaos before order was established.
C1 noun əˈpreɪ.zəl

appraisal

Meaning
An assessment or evaluation of performance or quality.
Example
The annual appraisal determines salary increments.
A1 noun /ˈeɪprɪl/

april

Meaning
the fourth month of the year in the Gregorian calendar
Example
April is known for its pleasant spring weather.
B2 noun /ˌædməˈreɪʃən/

admiration

Meaning
a feeling of respect, pleasure, or approval for someone or something
Example
She felt great admiration for her teacher’s dedication.
B2 adverb /əˈdɪʃənəli/

additionally

Meaning
in addition to what has been said or done
Example
Additionally, we offer discounts for early bookings.
C2 adjective /ænˈhaɪdrəs/

anhydrous

Meaning
Containing no water.
Example
The chemist used anhydrous ammonia for the experiment.
B2 adjective /əˈlaɪd/

Allied

Meaning
joined by agreement or treaty; associated; connected
Example
The allied forces worked together during the war.
C1 noun /ˈæl.kə.laɪ/

alkali

Meaning
a soluble base substance, typically with a pH greater than 7, that neutralizes acids
Example
Soap contains alkali which helps remove grease.
B2 noun /eɪk/

Ache

Meaning
a continuous or prolonged dull pain in a part of one's body
Example
He had a terrible headache after working late.
C2 verb /əˈvaʊ/

avow

Meaning
to openly declare or admit something, often publicly and firmly
Example
He avowed his loyalty to the cause without hesitation.
B2 verb /ˈɔːdɪt/

audit

Meaning
to examine and verify financial records or accounts officially
Example
The accountant will audit the company's books next month.
C2 adjective /ˈeɪkwiəs/

aqueous

Meaning
related to or containing water; watery
Example
The solution was in an aqueous form.
C2 noun /ˌæfɛkˈteɪʃən/

affectation

Meaning
an unnatural behavior or speech intended to impress others
Example
Her British accent was just an affectation to sound sophisticated.
B2 noun /ˌæn.ɪˈmeɪ.ʃən/

Animation

Meaning
the technique of making inanimate objects appear to move; liveliness and enthusiasm
Example
The animation in this movie is incredibly detailed.
C1 noun /ˈɑːr.sən.əl/

arsenal

Meaning
A collection or storage place for weapons and military equipment.
Example
The army kept its weapons in a secure arsenal.
B1 noun /ˈæmətər/

amateur

Meaning
A person who engages in a pursuit, especially a sport or art, on an unpaid basis.
Example
The painting looked impressive, even though it was done by an amateur.
C2 noun /əˌkædəˈmɪʃən/

academician

Meaning
a member of an academy; a scholar or expert in a field of study
Example
The academicians gathered to discuss the future of education.
C2 noun /ˌæɡ.rəˈdeɪ.ʃən/

aggradation

Meaning
The process of land being built up by sediment deposition.
Example
Aggradation helps in the natural expansion of riverbanks.