amphibian
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B2 noun /æmˈfɪbiən/

amphibian

Meaning
A cold-blooded vertebrate animal that can live both on land and in water.
Example
A frog is a common amphibian that lives both in water and on land.
A2 noun ədˈvɛnʧər

Adventure

Meaning
An unusual and exciting experience or activity that is typically bold and sometimes risky.
Example
Adventure travel is loved by thrill-seekers.
C2 noun /ˌæk.rəˈfoʊ.bi.ə/

acrophobia

Meaning
An extreme or irrational fear of heights.
Example
Her acrophobia prevented her from climbing the tall building.
A2 noun /ˈɑːrmi/

army

Meaning
a large organized military force trained for war
Example
The army protected the border from attack.
B2 noun /əˈtɒm.ɪk ˈhæb.ɪts/

atomic habits

Meaning
Small but powerful habits that can bring big changes over time
Example
Developing atomic habits leads to long-term success.
B2 noun /əˈsaɪləm/

asylum

Meaning
Protection or shelter, especially given to refugees or the mentally ill.
Example
The refugees sought asylum in the neighboring country.
A1 interjection /ɑː/

ah

Meaning
used to express realization, surprise, or relief
Example
Ah, now I understand what you mean.
C2 noun /ˈeɪ.viˌɛr.i/

aviary

Meaning
a large enclosure for keeping birds
Example
The zoo built a new aviary for exotic parrots.
C1 noun /əˈsɛndənsi/

ascendancy

Meaning
A position of power, influence, or control over others.
Example
The company gained ascendancy in the market through innovation.
C1 verb /əˈpreɪz/

appraise

Meaning
to evaluate the value, quality, or importance of something
Example
The jeweler appraised the diamond before buying it.
C2 adjective /əˈbɔːrtɪv/

abortive

Meaning
Failing to produce the intended result; unsuccessful.
Example
Their abortive attempt to climb the mountain ended in retreat.
C2 adjective /əˈfɔːrsed/

Aforesaid

Meaning
mentioned before; previously stated
Example
The aforesaid conditions must be met before approval.
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.
C1 adjective /əˈwɒʃ/

awash

Meaning
covered or flooded with water or something in large quantities
Example
The market was awash with cheap imported goods.
B2 noun /ˌæl.əˈɡeɪ.ʃən/

Allegation

Meaning
a claim that someone has done something wrong or illegal
Example
The allegation against him was proven false.
A1 determiner/pronoun /ˈɛni/

any

Meaning
one, some, or all, without specifying which
Example
Do you have any questions?
B1 verb /əˈdɔːr/

adore

Meaning
to love deeply and respect highly
Example
She adores her little sister.
C2 adjective /əˈkwɪzətɪv/

acquisitive

Meaning
excessively interested in acquiring money or material things
Example
The acquisitive businessman bought every piece of land he could find.
B2 adjective /əˈtɒm.ɪk/

Atomic

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

Ambitious

Meaning
having strong desire for success or achievement; aspiring
Example
She is ambitious and works hard to achieve her goals.
C1 noun əˈpreɪ.zəl

appraisal

Meaning
An assessment or evaluation of performance or quality.
Example
The annual appraisal determines salary increments.
B2 noun ˌæn.tiˈɒk.sɪ.dənt

antioxidant

Meaning
A substance that may prevent or delay some types of cell damage by neutralizing free radicals.
Example
Green tea contains powerful antioxidants that slow aging.
C2 verb /ˈæntɪdeɪt/

antedate

Meaning
to be earlier in time; to assign a date earlier than the actual one
Example
The manuscript antedates the modern printing press.
C2 adjective /ˈæprəbəˌtɔːri/

approbatory

Meaning
expressing approval or praise
Example
The teacher gave an approbatory nod after reading the essay.
C1 verb /ˈæmbʊʃ/

ambush

Meaning
To attack suddenly and unexpectedly from a hidden position.
Example
The soldiers planned to ambush the enemy at dawn.
B2 noun əˈmend.mənts

amendments

Meaning
Changes or additions made to improve a text, law, or constitution.
Example
Amendments reflect evolving public needs.
C1 adjective /ˈeɪ.mi.ə.bəl/

Amiable

Meaning
friendly and pleasant; good-natured; kind
Example
My neighbor is very amiable and always greets everyone warmly.
C1 noun /ˈælkəmi/

alchemy

Meaning
A medieval practice combining elements of chemistry and philosophy, aimed at transforming matter, especially turning base metals into gold.
Example
Medieval scientists devoted their lives to alchemy.
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.
B2 adjective /əˈstɒnɪʃt/

astonished

Meaning
feeling very surprised or amazed
Example
She was astonished by the magician's incredible trick.
B1 noun /əˈtrækʃən/

Attraction

Meaning
the action or power of evoking interest or pleasure in something; a place that draws visitors
Example
The museum is the main attraction for tourists in this city.
C2 verb /əˈmælɡəmeɪt/

amalgamate

Meaning
to combine or unite to form one organization or structure; to merge
Example
The two companies decided to amalgamate their operations.
A1 verb /ˈænsər/

answer

Meaning
to respond to a question; to reply; to solve
Example
She will answer the phone when it rings.
B2 noun /ˈænθəm/

anthem

Meaning
A song that is identified with a particular group, movement, or nation, often expressing pride or unity.
Example
The national anthem was played before the football match.
A1 adjective /ˈeɪbl/

able

Meaning
having the power, skill, or means to do something
Example
She is able to speak three languages fluently.
C2 noun /ˈɔːldər/

alder

Meaning
A type of tree from the birch family that typically grows in wet ground and has simple, serrated leaves.
Example
The alder trees grew thick along the riverbank.
B2 noun /əkˈnɒlɪdʒmənt/

acknowledgement

Meaning
the act of recognizing or accepting something as true or valid; an expression of gratitude or recognition
Example
She received an acknowledgement for her contribution to the project.
C2 noun /ˈæktʃuˌɛri/

actuary

Meaning
A professional who analyzes financial risk using mathematics, statistics, and financial theory, especially in insurance and pensions.
Example
The actuary calculated the risk before finalizing the insurance policy.
C2 verb /əˈreɪn/

arraign

Meaning
to formally accuse someone in a court of law and ask them to respond to the charges
Example
The suspect was arraigned before the judge this morning.
B2 verb /əˈsɛmbəl/

assemble

Meaning
to gather or bring together in one place
Example
The students assembled in the hall for the meeting.
B2 noun /əˈdɪkʃən/

addiction

Meaning
A strong and harmful need to regularly have or do something, such as drugs, alcohol, or habits.
Example
His addiction to video games affected his studies.
C1 noun /ˌɔːkʃəˈnɪər/

auctioneer

Meaning
a person who conducts auctions by calling out bids and selling items to the highest bidder
Example
The auctioneer quickly raised the price as bidders competed for the painting.
B1 noun /ˈætɪˌtjuːd/

attitude

Meaning
A settled way of thinking or feeling about someone or something, often reflected in behavior.
Example
Her positive attitude helped her overcome many challenges.
B2 verb, noun, adjective /ˈɔːltərnət/ (adj, noun), /ˈɔːltərˌneɪt/ (verb)

alternate

Meaning
to occur in turn repeatedly; to take turns; also, a substitute or replacement
Example
The students alternate between online and offline classes.
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.
C1 verb /əˈluːd/

allude

Meaning
To refer to something indirectly or casually.
Example
The professor alluded to Shakespeare during the lecture.
C1 noun /ˈælɪbaɪ/

alibi

Meaning
A claim or piece of evidence that one was elsewhere when an act, typically a crime, was committed.
Example
She had a strong alibi that proved she was at the cinema during the theft.
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.
C2 noun /əˈzeɪ.li.ə/

azalea

Meaning
a flowering shrub with brightly colored blooms, often grown ornamentally
Example
The garden was full of blooming azaleas in spring.
C2 adjective /əˈsɜːrbɪk/

acerbic

Meaning
sharp, harsh, or bitter in tone or taste
Example
His acerbic comments offended many people in the meeting.
A2 conjunction /ɔːlˈðoʊ/

although

Meaning
in spite of the fact that; even though
Example
Although it was raining, they went for a walk.
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.
C2 verb /əˈdʌltəreɪt/

adulterate

Meaning
to make something poorer in quality by adding another substance, usually of lower quality
Example
The company was fined for adulterating its products with cheap chemicals.
C2 adjective /ˈæb.ə.rənt/

aberrant

Meaning
deviating from what is normal or expected; abnormal
Example
His aberrant behavior shocked everyone at the meeting.
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 /ˈærɪd/

arid

Meaning
extremely dry; lacking in interest or excitement
Example
The desert is known for its arid climate.
B1 adjective /əˈdɪʃənəl/

additional

Meaning
added, extra, or supplementary to what already exists
Example
The teacher gave the students additional homework.
B1 noun /ˈæŋɡl/

angle

Meaning
The space between two intersecting lines or surfaces at the point where they meet.
Example
The teacher explained how to measure an angle in geometry.
B2 noun /əˈbɔːrʃən/

abortion

Meaning
The deliberate termination of a human pregnancy, usually performed during the first 28 weeks.
Example
The debate about abortion continues to divide public opinion.
C2 noun /əˈpɒfəsɪs/

apophasis

Meaning
A rhetorical device where the speaker brings up a subject by denying it or pretending to pass over it.
Example
The politician used apophasis by saying, 'I won’t even mention my opponent’s scandals.'
C1 noun /ˌæɡ.rəˈveɪ.ʃən/

aggravation

Meaning
The act of making a situation worse or the state of being worsened.
Example
The delay caused great aggravation for the passengers.
C2 verb /əˈɡræn.daɪz/

aggrandize

Meaning
To increase the power, wealth, or importance of a person or entity.
Example
The politician tried to aggrandize himself through exaggerated claims.
B1 verb /əˈʃʊr/

assure

Meaning
to make someone feel certain or confident about something
Example
He assured her that everything would be fine.
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.
C1 adjective /ˈɑːrɡjuəbl/

arguable

Meaning
open to debate or discussion; not certain and capable of being argued for or against
Example
It is arguable that technology has improved our quality of life.
B2 noun ɔːˈtɒnəmi

autonomy

Meaning
The right or condition of self-government; freedom from external control or influence.
Example
Autonomy was a primary demand.
C1 noun /ˈædʒʌŋkt/

adjunct

Meaning
a thing added to something else as a supplementary part
Example
The professor worked as an adjunct at the university.
B1 noun/adjective /ˌæfrɪkən əˈmɛrɪkən/

african-american

Meaning
A person of African descent living in or originating from the United States; relating to such people.
Example
She is proud of her African-American heritage.
B2 noun/verb /eɪp/

ape

Meaning
a large primate similar to a monkey but without a tail; as a verb, to imitate or mimic
Example
Children often ape the behavior of adults.
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.
B1 noun /ˈeɪ.dʒən.si/

Agency

Meaning
a business or organization that provides a particular service
Example
She works for a travel agency downtown.
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.
C1 verb /ɔːˈθɛntɪkeɪt/

authenticate

Meaning
To prove or show that something is genuine or true.
Example
The bank uses advanced technology to authenticate online transactions.
C1 adjective, verb /ˈeɪlɪŋ/

ailing

Meaning
suffering from illness or poor health; experiencing problems or decline
Example
The ailing patient slowly began to recover after treatment.
B2 adjective /ˌærəˈmætɪk/

aromatic

Meaning
Having a pleasant and distinctive smell.
Example
The chef used aromatic herbs to flavor the dish.
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.
C1 adjective ˈæl.ɡə.rɪ.ðəm drɪv.ən

algorithm-driven

Meaning
Controlled or powered by computer algorithms.
Example
Algorithm-driven systems increase accuracy.
B1 noun /ˈædʒɪktɪv/

adjective

Meaning
a word that describes or modifies a noun by giving more information about its quality, quantity, or state
Example
The adjective in the sentence adds more detail to the noun.
C1 noun /ˈæl.ɪ.moʊ.ni/

alimony

Meaning
financial support that a person is ordered by a court to give to their spouse after separation or divorce
Example
He was ordered by the court to pay monthly alimony to his ex-wife.
C1 noun əˌsɪm.ɪˈleɪ.ʃən

Assimilation

Meaning
Connecting new information with existing knowledge
Example
Proper assimilation of knowledge leads to effective learning.
C1 adjective /ˌærɪˈstɒkrætɪk/

Aristocratic

Meaning
noble; having the manners of the upper class
Example
She had an aristocratic bearing that commanded respect.
C1 noun əˌkred.ɪˈteɪ.ʃən

accreditation

Meaning
The action or process of officially recognizing someone or something as having a particular status or being qualified to perform a particular activity.
Example
Accreditation ensures institutional credibility.
B2 noun /ˈeɪ.prɪ.kɒt/

Apricot

Meaning
a small orange-colored fruit with a soft skin and sweet flesh
Example
The apricot tree produces sweet fruit in 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 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.
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.
B2 verb /əˈstɒnɪʃ/

astonish

Meaning
to surprise someone greatly; to fill with sudden wonder or amazement
Example
The magician’s final trick astonished the entire audience.
C1 noun ɔːˈstɛr.ɪ.ti

austerity

Meaning
Simple and disciplined lifestyle, avoiding luxury.
Example
The government implemented austerity measures to reduce expenses.
C1 verb əˈkruː

accrue

Meaning
To accumulate or receive (payments or benefits) over time.
Example
Interest accrues on the savings account every month.
C2 adjective /ˈeɪ.li.ə.nə.bəl/

alienable

Meaning
Able to be transferred or surrendered, usually referring to rights or property.
Example
Property rights are alienable and can be sold or transferred.
C1 adjective /ɑːrˈkeɪɪk/

archaic

Meaning
very old or old-fashioned; belonging to an earlier time
Example
Some laws are considered archaic and no longer relevant.
A1 adverb /æz/

As

Meaning
in the way that; while; because; during the time that
Example
As you grow older, you become wiser.
A2 noun /ˈɔːtoʊ/

auto

Meaning
A motor vehicle, especially a car.
Example
He drove his auto to the market.
C1 verb /əˈbɔːrt/

abort

Meaning
to stop a process or action before it is completed; to end a pregnancy deliberately
Example
The pilot decided to abort the mission due to bad weather.
C2 noun /ˈæntɪˌtʃeɪmbər/

antechamber

Meaning
a small room serving as an entry to a larger one
Example
The guests waited in the antechamber before being admitted to the hall.
C1 noun /ˈæntənɪm/

antonym

Meaning
A word opposite in meaning to another.
Example
‘Hot’ is the antonym of ‘cold’.
C1 noun /ænˈθɒlədʒi/

anthology

Meaning
A collection of literary works, such as poems, short stories, or essays, compiled into one volume.
Example
She contributed a poem to the new poetry anthology.
B1 verb /əˈsɪst/

assist

Meaning
to help or support someone in doing something
Example
The nurse will assist the doctor during the surgery.
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 noun /ˌæf.ɚˈmeɪ.ʃən/

affirmation

Meaning
The action or process of affirming something or being affirmed; emotional support or encouragement.
Example
Daily affirmation of self-worth boosts confidence.
B1 adjective /əˈsoʊsieɪtɪd/

associated

Meaning
connected or related to something or someone
Example
She is closely associated with environmental movements.
B2 noun ˈæsɛt

asset

Meaning
A useful or valuable thing, person, or quality.
Example
Real estate is one of the most valuable assets.
C1 adjective /ɔːˈdeɪ.ʃəs/

Audacious

Meaning
showing willingness to take bold risks; daring
Example
His audacious plan to climb the mountain without proper equipment shocked everyone.
C1 noun /əˈkuːstɪks/

acoustics

Meaning
the science of sound, or the properties of a space that affect how sound is heard
Example
The hall’s excellent acoustics made the orchestra sound rich and clear.
A2 adverb /əˈpɑːrt/

Apart

Meaning
separately; away from each other; in pieces
Example
The two buildings are far apart from each other.
A2 noun /ˈæk.sɪ.dənt/

accident

Meaning
An unfortunate incident that happens unexpectedly and unintentionally.
Example
Safety measures aim to prevent accidents.
C1 noun /əˈlʌmnəs/

alumnus

Meaning
a former student or graduate of a school, college, or university
Example
He is an alumnus of Harvard University.
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 verb /ænˈtæɡənaɪz/

antagonize

Meaning
to cause someone to become hostile or angry; to provoke opposition
Example
His rude remarks only served to antagonize his colleagues.
C2 adjective /əˈbɪs.əl/

abyssal

Meaning
Related to or characteristic of the deep ocean, especially the zone below 4000 meters.
Example
Abyssal creatures survive in extreme pressure conditions.
B2 adjective /æʃ ˈkʌl.ər/

Ash-colour

Meaning
a grayish color resembling ash
Example
The old building had ash-colour walls that needed painting.
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 noun əˌten.juˈeɪ.ʃən

attenuation

Meaning
The reduction of the force, effect, or value of something.
Example
The attenuation of sound waves affects communication.
C2 noun /əˈɡrɒnəmi/

agronomy

Meaning
The science and practice of soil management and crop production, focusing on the principles of plant and soil science to optimize agricultural productivity.
Example
Agronomy focuses on soil management and crop production.
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.
B1 verb /əˈdæpt/

adapt

Meaning
to adjust or change something to suit new conditions or situations
Example
He quickly adapted to the new environment.
C1 noun /ˈɑːrdər/

ardor

Meaning
Great enthusiasm or passion.
Example
She spoke with ardor about her new project.
B2 adjective /əˈlɑːrmɪŋ/

alarming

Meaning
Worrying or disturbing; causing concern or fear.
Example
The unemployment rate among youth is alarming.
C2 noun /əˈbeɪəns/

abeyance

Meaning
a state of temporary suspension or inactivity
Example
The project was held in abeyance until funds became available.
C2 noun /əˈbaɪdəns/

abidance

Meaning
the act of following, accepting, or complying with something
Example
Her abidance by the rules impressed the committee.
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.