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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.
B2 noun /əˈlaʊəns/

Allowance

Meaning
a sum of money paid regularly to a person; permission to do something
Example
Children receive a weekly allowance for helping with chores.
C1 noun /əˈrɪs.tə.kræt/

Aristocrat

Meaning
a member of the aristocracy; a person of noble rank or birth
Example
The aristocrat lived in a magnificent castle.
C1 noun /əˈliː.dʒəns/

allegiance

Meaning
Loyalty or commitment of a subordinate to a superior or of an individual to a group or cause.
Example
Soldiers take an oath of allegiance to their country.
C2 noun /ˈɑːrtɪfɪs/

artifice

Meaning
clever or cunning devices or tricks used to deceive others
Example
The politician's charm was nothing but artifice.
A2 adjective ˈæktɪv

active

Meaning
Engaging or ready to engage in physically energetic pursuits; characterized by energetic work, participation, etc.
Example
Active participation in education is vital for progress.
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'.
B1 noun /ˈæs.pekt/

aspect

Meaning
A particular part, feature, or view of something.
Example
One important aspect of health is regular exercise.
B2 adjective + noun əˈdæptɪv ˈfiːtʃərz

adaptive features

Meaning
Characteristics that help organisms adjust to their environment
Example
Plants' adaptive features help them grow in winter.
A2 noun /ˈæktrəs/

actress

Meaning
a female performer in plays, movies, or television
Example
The actress looked stunning on the red carpet.
B2 noun /ˌɔːtəbaɪˈɒɡrəfi/

autobiography

Meaning
An account of a person's life written by that person.
Example
She published an autobiography about her journey to success.
B2 adjective /ˌæksɪˈdɛntl/

accidental

Meaning
happening by chance, unintentionally
Example
The fire was caused by an accidental spark.
B2 preposition /əˈmɪd/

amid

Meaning
in the middle of or surrounded by something
Example
The team stayed calm amid the chaos.
B2 adjective /əˈpærənt/

apparent

Meaning
Clearly visible or understood; obvious.
Example
It soon became apparent that he was not telling the truth.
C1 verb ɔːɡˈmɛntɪŋ

augmenting

Meaning
Increasing; making something greater in size, number, or degree
Example
Life expectancy is augmenting with advancements in healthcare.
C1 adjective /ˈærɪd/

arid

Meaning
extremely dry; lacking in interest or excitement
Example
The desert is known for its arid climate.
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 verb /ˈæd.l̩/

addle

Meaning
To confuse or muddle someone’s mind.
Example
The complicated instructions only served to addle him.
C2 noun /ˌæv.oʊˈkeɪ.ʃən/

avocation

Meaning
a hobby or minor occupation pursued in addition to one's main work
Example
Painting is his avocation after office hours.
C2 noun /əˈkjuːtnəs/

acuteness

Meaning
sharpness of mind or senses; severity or intensity of a condition
Example
Her acuteness allowed her to notice details others missed.
C1 noun /ˈælɔɪ/

alloy

Meaning
A mixture of metals or a metal combined with another element.
Example
Bronze is an alloy of copper and tin.
C2 adjective /əˈkɜːrsɪd/

accursed

Meaning
Doomed, detestable, or under a curse.
Example
The villagers avoided the accursed house on the hill.
C1 noun esˈθet.ɪks

aesthetics

Meaning
A set of principles concerned with the nature and appreciation of beauty, especially in art and design.
Example
Interior design focuses on aesthetics and functionality.
B2 verb əˈteɪnd

attained

Meaning
Succeeded in achieving (something that one desires and has worked for); reached a specified age, size, or amount.
Example
The region attained remarkable progress.
C1 adjective /ˈæntɪkweɪtɪd/

antiquated

Meaning
Old-fashioned or outdated.
Example
The office still uses an antiquated filing system.
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 /ˌædʒʊˈreɪʃən/

adjuration

Meaning
a solemn urging or appeal
Example
The priest made an adjuration for peace and unity.
B2 adjective /ˈærəɡənt/

Arrogant

Meaning
having an exaggerated sense of one's importance; proud
Example
His arrogant behavior made him very unpopular.
B2 noun ˌæn.tiˈɒk.sɪ.dənts

antioxidants

Meaning
A substance that may prevent or delay some types of cell damage.
Example
Fruits and vegetables are rich in antioxidants.
B2 noun /ˈæd.və.kət/

Advocate

Meaning
a lawyer who represents clients in court; a person who supports or argues for a cause or policy
Example
The advocate presented strong evidence to defend his client in court.
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.
A1 noun /eər/

Air

Meaning
the invisible gaseous substance surrounding the earth; a mixture mainly of oxygen and nitrogen
Example
Fresh air is essential for good health.
B2 noun /ˌæbəˈlɪʃən/

abolition

Meaning
the act of formally ending or eliminating a system, practice, or institution
Example
The abolition of slavery was a major milestone in human rights history.
B2 noun /ˌænθrəˈpɒlədʒi/

anthropology

Meaning
the scientific study of humans, their societies, cultures, and development
Example
She decided to major in anthropology at university.
C1 noun /əˌsæsɪˈneɪʃən/

assassination

Meaning
The act of killing someone important, often for political or ideological reasons.
Example
The assassination of the president shocked the nation.
C1 adjective /æmˈfɪb.i.əs/

Amphibious

Meaning
able to live both on land and in water; suitable for both land and water operations
Example
The amphibious vehicle can travel on both land and water.
B2 verb əˈlaɪn.ɪŋ

aligning

Meaning
Placing or arranging things in a straight line or in correct relative positions.
Example
Aligning education with global standards is vital.
C1 noun /ˌɑːrbɪˈtreɪʃən/

arbitration

Meaning
the process of resolving a dispute through an impartial third party whose decision is binding; formal judgment outside a court
Example
The contract requires arbitration to settle any disputes.
B2 noun ˌæd.æpˈteɪ.ʃən

adaptation

Meaning
The action or process of adapting or being adapted.
Example
Adaptation to climate change is critical for resilience.
A1 article /æn/

an

Meaning
used before a noun to refer to a non-specific item that begins with a vowel sound
Example
She ate an apple for breakfast.
C1 noun /ˈæspɪrənt/

aspirant

Meaning
a person who seeks or hopes to achieve a position of honor or advancement
Example
She is an aspirant for the university's top scholarship.
C2 adjective /ɔːˈrɔːrəl/

auroral

Meaning
Relating to or resembling the aurora, especially the northern lights.
Example
The scientists observed auroral activity in the night sky.
C2 noun /ˈɑːrbərɪˌkʌltʃər/

arboriculture

Meaning
the cultivation and management of trees and shrubs
Example
He studied arboriculture to improve urban green spaces.
B1 adjective, verb /əˈproʊpriət/ (adj), /əˈproʊprieɪt/ (verb)

appropriate

Meaning
suitable or proper in the circumstances (adj); to take something for one’s own use, often without permission (verb)
Example
Wearing formal clothes was appropriate for the ceremony.
B2 noun /æʃ/

ash

Meaning
the powdery residue left after the burning of a substance
Example
After the fire, only ash remained of the house.
C1 adverb /ˈæm.ɪ.kə.bli/

Amicably

Meaning
in a friendly way without anger or resentment
Example
The divorce was settled amicably between both parties.
A2 verb /əˈfɔːrd/

afford

Meaning
to have enough money to buy; to be able to spare
Example
I can't afford a new car right now.
C2 noun /ˈɔːriˌoʊl/

aureole

Meaning
A halo or radiance surrounding the head or body, often in religious art.
Example
The painting showed the saint with an aureole around his head.
C2 noun /ˈæsɪˌteɪt/

acetate

Meaning
a salt or ester of acetic acid; a synthetic material used in textiles and film
Example
The company produces acetate fibers for clothing.
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.
A2 noun /əˈsɪstənt/

assistant

Meaning
a person who helps or supports another, often in a job
Example
She works as an assistant in a law firm.
B2 noun /ˈæftərˌlaɪf/

afterlife

Meaning
Life or existence that some believe continues after physical death.
Example
Many cultures have different beliefs about the afterlife.
C2 verb /əˈdʒʌdʒ/

adjudge

Meaning
to consider or declare officially in a legal or formal manner
Example
He was adjudged guilty by the court.
B2 noun əˈbʌndəns

abundance

Meaning
A very large quantity of something; plenty
Example
The abundance of vegetables in winter is remarkable.
C1 adjective /ˈɑːr.dənt/

Ardent

Meaning
very enthusiastic; passionate; fervent
Example
She is an ardent supporter of environmental conservation.
B1 verb /ədˈvaɪz/

advise

Meaning
to recommend what should be done; to give advice
Example
The doctor advised him to rest for a week.
B2 noun ˈæk.tɪv rɪˈkɔːl

Active recall

Meaning
A learning technique that involves actively trying to retrieve information from memory rather than passively reviewing material.
Example
Active recall improves long-term memory and retention.
C2 adjective /əˈmɔːrfəs/

amorphous

Meaning
Lacking a clear shape or form; without a defined structure.
Example
The plan remained amorphous and lacked concrete details.
B1 noun /əˈpɒlədʒi/

apology

Meaning
a statement expressing regret for something wrong or hurtful
Example
He offered an apology for being late to the meeting.
B2 verb /əˈkʌmplɪʃ/

accomplish

Meaning
to achieve or complete successfully
Example
She managed to accomplish all her goals for the year.
B1 noun /əˈkaʊnt/

Account

Meaning
a record of money received and paid out; a report or description of an event
Example
She opened a savings account at the bank.
C2 adjective /ˈæmbjələˌtɔːri/

ambulatory

Meaning
Relating to or able to walk; relating to outpatient medical care.
Example
The patient is ambulatory and does not require bed rest.
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.
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 noun /əˈsɪstəns/

Assistance

Meaning
the action of helping someone with a job or task; support
Example
She offered her assistance with the project.
A2 verb /əˈtrækt/

attract

Meaning
to cause someone to have interest or draw something towards
Example
The flowers attract bees with their bright colors.
B2 noun /ˌɑːrkiˈɑːlədʒi/

archaeology

Meaning
the study of human history and prehistory through excavation and analysis of artifacts, monuments, and other physical remains
Example
She studied archaeology to learn about ancient civilizations.
B2 adjective /ˈeɪ.li.ən/

alien

Meaning
Belonging to a foreign country or nation; extraterrestrial.
Example
The telescope is capable of detecting alien signals.
C2 verb /əˈleɪ/

allay

Meaning
to reduce the intensity of fear, worry, or pain; to calm
Example
The teacher tried to allay the students’ fears before the exam.
C2 adjective /ˌævəˈrɪʃəs/

avaricious

Meaning
having or showing extreme greed for wealth or material gain
Example
The avaricious landlord increased the rent unfairly.
B1 verb /əˈweɪk/

awake

Meaning
to stop sleeping; to become conscious or alert
Example
I awake every morning at six o'clock.
B2 verb /əˈsɛmbəl/

assemble

Meaning
to gather or bring together in one place
Example
The students assembled in the hall for the meeting.
C1 noun ˌæprɪˈhɛnʃən

apprehension

Meaning
Anxiety or fear that something bad or unpleasant will happen.
Example
There is an apprehension about the depletion of fish stocks.
B2 noun, verb /ˈædɪkt/ (noun), /əˈdɪkt/ (verb)

addict

Meaning
a person who is unable to stop using a harmful substance or doing something harmful; to cause someone to become dependent on something
Example
He is a video game addict who spends hours playing every day.
B1 verb /əˈsoʊsiˌeɪt/

associate

Meaning
to connect or link things together; to spend time with someone
Example
I associate this song with summer.
C1 noun /ˌæntɪˈsiːdənt/

antecedent

Meaning
something that came before; a previous event, condition, or cause
Example
The cultural antecedents of this festival go back centuries.
C2 adjective /ænˈdrɒdʒɪnəs/

androgynous

Meaning
Having both male and female characteristics; not clearly masculine or feminine.
Example
The fashion show featured models with an androgynous look.
B1 noun /ədˌmɪn.ɪˈstreɪ.ʃən/

Administration

Meaning
the process of managing or organizing something; a government or organization
Example
The university administration announced new policies.
C1 verb /əˈfɪks/

affix

Meaning
to attach or stick something firmly to another thing
Example
Please affix the stamp to the envelope.
B1 verb /əˈpruːv/

approve

Meaning
to officially agree to or accept something; to give permission
Example
The committee will approve the new policy tomorrow.
A2 noun /ˈæk.tər/

Actor

Meaning
a person whose profession is acting on the stage, in movies, or on television
Example
The famous actor won an award for his performance in the new movie.
C1 adjective /ˌeɪsɪˈmɛtrɪkəl/

asymmetrical

Meaning
Having parts that are not the same in size, shape, or arrangement.
Example
She wore an asymmetrical dress that drew everyone’s attention.
C2 adjective /ˈæn.ə.daɪn/

anodyne

Meaning
Not likely to cause offense; bland or harmless. Also refers to something that relieves pain.
Example
The speaker’s anodyne remarks avoided controversy.
C2 verb /ˌæpərˈteɪn/

appertain

Meaning
to relate to or be connected with something
Example
The rules only appertain to members of the club.
B2 adverb /əˈten.tɪv.li/

Attentively

Meaning
with careful attention; in a focused manner
Example
She listened attentively to her teacher's instructions.
C2 adjective /əˈskjuː/

askew

Meaning
Not in a straight or level position; crooked or tilted.
Example
The picture on the wall hung slightly askew.
B2 adjective ˌæs.trəˈnɒm.ɪ.kəl

astronomical

Meaning
Relating to astronomy; extremely large in amount or extent.
Example
The astronomical price reflects its exclusivity.
C1 adjective ˈeɪlɪəneɪtɪd

alienated

Meaning
Feeling isolated or estranged; disconnected from others or society.
Example
Alienated students are more prone to delinquency.
B2 adjective /əˈtɒm.ɪk/

Atomic

Meaning
relating to atoms or atomic energy; extremely small
Example
The atomic structure of hydrogen is the simplest.
B1 noun /eɪdz/

aids

Meaning
Acquired Immune Deficiency Syndrome, a disease of the immune system caused by HIV
Example
AIDS is a major global health concern.
C1 verb /əˈluːd/

allude

Meaning
To refer to something indirectly or casually.
Example
The professor alluded to Shakespeare during the lecture.
B2 adjective /ˈæfluənt/

affluent

Meaning
having a great deal of money; wealthy
Example
She grew up in an affluent neighborhood.
C1 noun /ˌɑːr.kəˈpɛl.əˌɡoʊ/

archipelago

Meaning
A group of islands clustered together in a body of water.
Example
Indonesia is an archipelago with thousands of islands.
B2 noun /ˈædvəkəsi/

advocacy

Meaning
public support for or recommendation of a particular cause or policy
Example
Her advocacy for children's rights earned her international recognition.
C1 verb /əˈliː.vi.eɪt/

alleviate

Meaning
To make suffering, deficiency, or a problem less severe; to relieve or ease.
Example
Meditation can alleviate stress and improve focus.
A2 verb /əˈplaɪ/

apply

Meaning
to make a formal request for something; to put into practice
Example
He decided to apply for the scholarship.
B2 noun /ˈæməzɒn/

amazon

Meaning
A tall, strong, or powerful woman.
Example
She fought like an amazon in the competition.
C2 noun /ˈæl.baɪt/

albite

Meaning
A white or colorless mineral of the feldspar group, often found in igneous rocks.
Example
Geologists discovered albite crystals in the rock sample.
C2 noun /ˌænəlˈdʒiːziə/

analgesia

Meaning
The inability to feel pain while still conscious.
Example
The doctor induced analgesia before performing the procedure.
B2 adjective /ˈæp.lɪ.kə.bəl/

applicable

Meaning
Relevant or appropriate in a particular situation.
Example
This rule is applicable to eye care too.
C2 verb /ˌænɪmədˈvɜːt/

animadvert

Meaning
To comment critically or unfavorably.
Example
The teacher animadverted on the student's careless mistakes.
C1 noun /ˌæbəˈrɪdʒəniːz/

aborigines

Meaning
The original inhabitants of a land, especially in Australia.
Example
The aborigines have preserved their traditions for thousands of years.
A1 adjective /əˈfreɪd/

afraid

Meaning
feeling fear or anxiety; worried that something undesirable will happen
Example
She was afraid of the dark.
A1 noun /ˈæp.əl/

Apple

Meaning
a round fruit with red, green, or yellow skin and white flesh
Example
I eat an apple every day for breakfast.
C1 adjective /əˌpɒk.əˈlɪp.tɪk/

apocalyptic

Meaning
Describing the end of the world, or something catastrophic and disastrous.
Example
The movie depicts an apocalyptic future after a nuclear war.
C2 noun /ˈɛərəˌnɔːt/

aeronaut

Meaning
A person who travels in an airship, balloon, or other aircraft.
Example
The aeronaut skillfully guided the hot-air balloon across the valley.
B2 adjective əˈstaʊn.dɪŋ

astounding

Meaning
Surprisingly impressive or notable; causing shock or surprise.
Example
The magician's astounding tricks left the audience speechless.
B2 verb /əˈvɜːrt/

avert

Meaning
to prevent something bad from happening or to turn away one's eyes or thoughts
Example
Quick action helped avert a disaster.
C1 verb /əˈseɪl/

assail

Meaning
to attack violently, either physically or with words
Example
The politician was assailed with difficult questions.
A1 noun /ˈɛər.pɔːrt/

airport

Meaning
A place where airplanes take off and land, with buildings for passengers and cargo.
Example
We arrived at the airport two hours before the flight.
C1 noun ˌæp.əˈreɪ.təs

apparatus

Meaning
The technical equipment or machinery needed for a particular activity or purpose.
Example
The apparatus was designed to be eco-friendly.
C1 noun /ˈæk.jʊ.mən/

acumen

Meaning
The ability to make good judgments and quick decisions; keenness and depth of perception.
Example
His business acumen helped the company grow rapidly.
B2 adjective ænˈtɪsɪpeɪtɪd

anticipated

Meaning
Expected or predicted to happen; foreseen in advance.
Example
The anticipated growth exceeded the city's capacity.
A2 noun /əˈɡriː.mənts/

agreements

Meaning
Formal arrangements or understandings between two or more parties.
Example
Agreements strengthen partnerships.
C1 noun /əˈsem.bli ˈseʃ.ən/

assembly session

Meaning
A formal meeting where representatives gather to discuss and make decisions on important matters.
Example
The assembly session discussed global challenges.
C2 noun /əˈnæb.ə.lɪ.zəm/

anabolism

Meaning
The set of metabolic pathways that construct molecules from smaller units, involving tissue repair and growth.
Example
Anabolism is essential for muscle growth and tissue repair.
A1 noun /'æn.ɪ.məl/

Animal

Meaning
a living creature that feeds on organic matter, typically having specialized sense organs and nervous system and able to respond rapidly to stimuli
Example
The zoo has many different animals from around the world.
C2 noun /əˈfeɪ.ʒə/

aphasia

Meaning
a medical condition that causes loss of ability to speak or understand language
Example
After the stroke, she was diagnosed with aphasia.
A1 verb /æsk/

ask

Meaning
to request information; to inquire; to invite
Example
Can I ask you a question about the homework?
A1 pronoun /ˈɛniˌbɒdi/

anybody

Meaning
any person; anyone
Example
Anybody can join the club.
C2 noun /ˌætəlˈjeɪ/

atelier

Meaning
A workshop or studio, especially for an artist or designer.
Example
The painter invited us to his atelier to view his new collection.