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B2 adjective /əˈkuːstɪk/

acoustic

Meaning
relating to sound or the sense of hearing; not amplified by electrical means
Example
We recorded an acoustic version of the song in a quiet room.
C2 noun əˌdʌl.təˈreɪ.ʃən

adulteration

Meaning
The action of making something poorer in quality by the addition of another substance.
Example
Adulteration of food is a serious health risk.
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 adverb /ˌælfəˈbɛtɪkli/

alphabetically

Meaning
in the order of the letters of the alphabet
Example
The names are listed alphabetically in the register.
C2 noun /əˈstɪɡmətɪzəm/

astigmatism

Meaning
An eye defect causing blurred vision due to irregular curvature of the cornea or lens.
Example
She wears glasses to correct her astigmatism.
C2 adjective /əˈθɜːrst/

athirst

Meaning
Very eager or desirous for something.
Example
The explorer was athirst for adventure.
C1 noun /ˌæmplɪfɪˈkeɪʃən/

amplification

Meaning
the act or process of making something stronger, louder, or more intense; an expansion or elaboration of details
Example
The microphone provides amplification of the speaker’s voice.
C1 verb /əˈdɔːrn/

adorn

Meaning
to decorate or add beauty to something
Example
The hall was adorned with flowers for the wedding.
A1 noun/adjective /əˈmerɪkən/

american

Meaning
relating to the United States or its people
Example
She is an American citizen.
C2 noun /ˈævərɪs/

avarice

Meaning
extreme greed for wealth or material gain
Example
His avarice led him to exploit his workers.
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.
C2 noun /ɔːl/

awl

Meaning
a small pointed tool used for making holes, especially in leather
Example
The cobbler used an awl to punch holes in the leather.
C2 adjective /əˈfɔːrsed/

Aforesaid

Meaning
mentioned before; previously stated
Example
The aforesaid conditions must be met before approval.
C2 adverb /əˈbɛd/

abed

Meaning
in bed
Example
She stayed abed all day due to illness.
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.
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.
C1 adverb /əˈlɒft/

aloft

Meaning
Up in or into the air; overhead.
Example
The kite was flying aloft in the clear sky.
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 /ˈænsɛstrɪs/

ancestress

Meaning
a female ancestor; a woman from whom one is descended
Example
She discovered that her ancestress came from a small village in Bengal.
C1 verb ˌæs.ɚˈteɪn

ascertain

Meaning
To find out or discover something with certainty; to verify.
Example
The police tried to ascertain the cause of the accident.
C1 adjective ˈɑː.dʒu.əs

arduous

Meaning
Involving or requiring strenuous effort; difficult and tiring.
Example
The trek through the mountains was an arduous journey.
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.
C1 adjective /ˌæntiˈneɪtl/

antenatal

Meaning
Relating to the medical care and treatment given to a pregnant woman before the birth of her child.
Example
She attended regular antenatal checkups throughout her pregnancy.
C1 verb /ədˈmɪnɪstreɪt/

administrate

Meaning
to manage or supervise the execution of duties, laws, or resources; to formally give or apply something such as a test or medicine
Example
The committee will administrate the new policy across all departments.
A2 verb /ˈɑːrɡjuː/

argue

Meaning
to have a disagreement; to present reasons for or against
Example
They often argue about politics.
C2 adverb /əˈsɪdʒuəsli/

assiduously

Meaning
with great care and persistence
Example
He worked assiduously to complete the project before the deadline.
B2 adjective /əˈdʒeɪsənt/

Adjacent

Meaning
পার্শ্ববর্তী; সংলগ্ন; নিকটবর্তী;
Example
The hotel is adjacent to the shopping mall.
C2 verb /əˈkriːt/

accrete

Meaning
to grow or increase gradually by accumulation or addition
Example
Dust particles accrete over time to form larger celestial bodies.
C2 noun /əˈspɜːr.ʒən/

aspersion

Meaning
An attack on the reputation or integrity of someone.
Example
He cast an aspersion on her character.
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.
C1 noun /ˈækəleɪd/

accolade

Meaning
An award, honor, or expression of praise.
Example
She received an accolade for her outstanding performance.
C2 noun /ˈɔːlmənæk/

almanac

Meaning
An annual publication containing calendars, weather forecasts, astronomical data, and other useful information.
Example
He consulted the almanac to check the phases of the moon.
C1 adjective /ɔːˈtɒn.ə.məs/

autonomous

Meaning
Acting independently or having the freedom to do so.
Example
Autonomous systems ensure greater precision.
C2 adjective /ˈæʒər/

azure

Meaning
A bright blue color like that of a clear sky.
Example
The clear sky was painted in a deep shade of azure.
B1 noun /əˈtendəns/

Attendance

Meaning
the action or state of going regularly to or being present at a place or event
Example
The teacher takes attendance at the beginning of each class.
C1 adverb /iːsˈθetɪkli/

aesthetically

Meaning
in a way that is concerned with beauty or visual appeal
Example
The building is aesthetically pleasing despite its simple design.
B1 noun ədˈvɛnʧər ˈsiːkərz

Adventure Seekers

Meaning
People who actively look for exciting and potentially risky activities or experiences.
Example
Sajek Valley is a popular destination for adventure seekers.
C1 verb /əˈkleɪm/

acclaim

Meaning
to praise enthusiastically and publicly
Example
The audience acclaimed the actor for his outstanding performance.
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 adjective /ˈænsɪləri/

ancillary

Meaning
providing necessary support to the main system or organization
Example
The company provides ancillary services to the healthcare industry.
C1 verb /əˈnʌl/

annul

Meaning
to declare something legally invalid or cancel it
Example
The court decided to annul the marriage due to fraud.
B1 noun, verb /eɪd/

aid

Meaning
help or support, typically of a practical nature
Example
The volunteers provided aid to the flood victims.
C1 noun /ˈæŋɡwɪʃ/

anguish

Meaning
Severe mental or physical pain or suffering.
Example
She was in deep anguish after hearing the tragic news.
C1 adjective /æmˈbɪvələnt/

ambivalent

Meaning
Having mixed or contradictory feelings about something or someone.
Example
She was ambivalent about accepting the new job offer.
C1 noun /əˈflɪkʃən/

affliction

Meaning
a state of pain, suffering, or distress
Example
Poverty is a common affliction in many parts of the world.
C1 noun ˈæk.si.əm

axiom

Meaning
A statement or principle that is considered true and does not require proof.
Example
Actions speak louder than words is a well-known axiom.
C2 noun /əˈspær.ə.ɡəs biːn/

Asparagus bean

Meaning
a long, thin green vegetable pod that grows on vines; also known as yard-long bean
Example
The asparagus bean grows up to three feet long and is commonly used in Asian cooking.
C2 adjective /ˌækwiˈɛsənt/

acquiescent

Meaning
ready to accept something without protest, or to do what someone else wants
Example
He gave an acquiescent smile and agreed to the plan.
B1 noun /ədˈvaɪzər/

adviser

Meaning
a person who gives advice, especially in a professional or official role
Example
He works as a financial adviser at a bank.
B2 noun /ˈæktɪvɪst/

activist

Meaning
A person who works to bring about social or political change.
Example
The activist organized a protest against pollution.
C1 noun /əˈkʌmpənɪmənt/

accompaniment

Meaning
Something that goes together with or complements another thing, often music or food.
Example
The dish was served with a spicy sauce as an accompaniment.
C2 noun /ˈɑːrkeɪˌɪzəm/

archaism

Meaning
a word, expression, or style of language that is no longer in everyday use
Example
The poem is full of archaisms that give it an old-fashioned flavor.
C2 adjective /ˌænθrəpəˈmɔːrfɪk/

anthropomorphic

Meaning
attributing human characteristics to non-human things, like animals or objects
Example
The cartoon shows an anthropomorphic cat walking on two legs.
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 adjective /ˈæŋk.ʃəs/

Anxious

Meaning
feeling worried or nervous; eager with concern
Example
She felt anxious about her upcoming job interview.
C2 adjective /ˈæb.ə.rənt/

aberrant

Meaning
deviating from what is normal or expected; abnormal
Example
His aberrant behavior shocked everyone at the meeting.
C1 noun /əˌfɪl.iˈeɪ.ʃən/

affiliation

Meaning
The state or process of affiliating or being affiliated; a connection or association.
Example
His affiliation with the company lasted for a decade.
C2 adverb /əˈbæk/

Aback

Meaning
by surprise; unexpectedly
Example
I was taken aback by his sudden announcement.
B1 adjective /ˈæktʃuəl/

actual

Meaning
real and existing, not just imagined or supposed
Example
The actual cost was higher than expected.
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.
C2 adjective /ˌæm.bɪˈdɛk.strəs/

ambidextrous

Meaning
Able to use both hands equally well, or versatile in abilities.
Example
Being ambidextrous can be beneficial in sports.
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.
C2 noun /ˈæn.ə.lɪst/

annalist

Meaning
A person who writes annals or records events year by year.
Example
The annalist carefully documented the events of the king's reign.
C1 noun /ˈæd.vənt/

advent

Meaning
The arrival of a notable person, thing, or event.
Example
The advent of the internet changed the way people communicate.
B1 noun /ˈeɪ.dʒənt/

agent

Meaning
A person who acts on behalf of another person or organization.
Example
The real estate agent showed us several houses.
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 /eɪd/

aide

Meaning
An assistant or helper, especially to an important person.
Example
The senator’s aide organized the meeting with journalists.
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 noun /ˈædɪdʒ/

adage

Meaning
a short, well-known saying that expresses a general truth or piece of advice
Example
The old adage says that honesty is the best policy.
A2 adjective /əˈlaɪv/

Alive

Meaning
living; not dead; full of life and energy
Example
The old man is still alive and healthy.
C2 verb /əˈsweɪdʒ/

assuage

Meaning
To make an unpleasant feeling less intense; to ease or relieve.
Example
The kind words helped assuage her anxiety.
B2 adjective ˌæn.əlˈɪt.ɪ.kəl

analytical

Meaning
Using or skilled in using analysis (i.e., separating a whole—intellectual or substantial—into its elemental parts or basic principles).
Example
She has an analytical approach to problem-solving.
B2 adjective ədˈmɪn.ɪ.strə.tɪv

administrative

Meaning
Relating to the running of a business, organization, etc.; concerned with or relating to management or administration.
Example
Administrative reforms improve efficiency.
B2 adjective /ænˈdʒelɪk/

angelic

Meaning
Like or characteristic of an angel; pure, kind, or innocent.
Example
The child had an angelic smile.
C1 noun /ˌænəsˈθetɪk/

anesthetic

Meaning
A substance that causes loss of sensation or consciousness, especially used during surgery.
Example
The doctor administered a local anesthetic before stitching the wound.
B2 noun əˌkjuː.mjəˈleɪ.ʃən

accumulation

Meaning
The gradual gathering or collecting of something over time.
Example
The accumulation of dust affects appliance efficiency.
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.
B1 noun /ˈæl.ɪ.ɡeɪ.tər/

Alligator

Meaning
a large reptile similar to a crocodile but with a shorter, wider head
Example
The alligator basked in the sun on the riverbank.
B2 verb /əˈkjuːmjəleɪt/

accumulate

Meaning
to gather or collect things gradually over time
Example
She managed to accumulate a small fortune through wise investments.
C1 adjective eɪˈsɪŋ.krə.nəs

asynchronous

Meaning
Of or requiring a form of computer control timing protocol in which a specific operation begins upon receipt of an indication that the preceding operation has been completed.
Example
Asynchronous courses allow students to learn at their own pace.
B2 verb /əˈbaɪd/

abide

Meaning
to accept or act in accordance with; to endure; to dwell
Example
I will abide by the rules of the company.
C2 noun /ˌænɪmædˈvɜːʒən/

animadversion

Meaning
Strong criticism or censure.
Example
The policy attracted severe animadversion from the public.
B1 noun /ˈeə.rə.pleɪn/

Aeroplane

Meaning
a powered flying vehicle with fixed wings and a weight greater than that of the air it displaces
Example
The aeroplane took off smoothly from the airport runway.
C2 noun /ˈæp.ɪˌkʌl.tʃər/

apiculture

Meaning
The practice of keeping and raising bees for honey and other products.
Example
Apiculture plays a vital role in agriculture by supporting pollination.
C2 adjective /əˈstrɪndʒənt/

astringent

Meaning
sharp or severe in manner or style; also describes a substance that contracts skin or body tissues
Example
Her astringent tone silenced the noisy class.
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.
B2 noun /ˈæl.oʊ ˈvɪər.ə/

Aloe Vera

Meaning
a succulent plant with thick fleshy leaves and medicinal properties; produces tubular flowers
Example
The aloe vera plant blooms with orange or yellow tubular flowers.
C1 noun /ˌæntɪˈsiːdənts/

antecedents

Meaning
previous events, conditions, or people that influence or serve as a basis for something that follows
Example
The lawyer examined the criminal antecedents of the suspect.
C1 noun /ˈæd.və.ser.i/

adversary

Meaning
One's opponent in a contest, conflict, or dispute.
Example
The boxer faced a strong adversary in the ring.
B2 noun /əˈsɛnt/

ascent

Meaning
The act of rising or climbing to a higher position or level.
Example
The climbers began their ascent to the mountain peak at dawn.
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.
B2 adverb /ˈædɪkwətli/

adequately

Meaning
in a satisfactory manner
Example
He completed the task adequately, but could improve next time.
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.
A2 noun ækt

act

Meaning
A written law passed by a legislative body.
Example
The act was passed in 2023.
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.
C1 noun /ænˈtɪθəsɪs/

antithesis

Meaning
A person, thing, or idea that is the direct opposite of another; a rhetorical device contrasting opposing ideas in parallel structure.
Example
Love is the antithesis of hate.
C1 adjective /ˌærɪˈstɒkrætɪk/

Aristocratic

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

abscess

Meaning
A swollen area within body tissue containing pus, usually caused by infection.
Example
The dentist treated the abscess in his tooth.
B1 adverb /ˈæftərwərd/

afterward

Meaning
at a later time; subsequently
Example
We went to dinner and watched a movie afterward.
B2 noun /ˈænsestər/

Ancestor

Meaning
a person, typically one more remote than a grandparent, from whom one is descended
Example
She researched her family tree to learn about her ancestors.
B2 verb /əˈlɛdʒ/

allege

Meaning
to claim or assert something, typically without proof
Example
The witness alleged that the man was at the crime scene.
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 /əˈstrɑː.lə.dʒər/

Astrologer

Meaning
a person who studies astrology and makes predictions based on the positions of stars and planets
Example
The astrologer predicted good fortune in her future.
C1 noun ˌæf.ɔːr.ɪˈsteɪ.ʃən

afforestation

Meaning
The action of planting trees on an area of land in order to form a forest.
Example
Afforestation helps restore biodiversity.
C2 noun /əˌbɑː.məˈneɪ.ʃən/

abomination

Meaning
a thing that causes disgust or hatred
Example
Slavery was considered an abomination.
C1 verb /əˈtɛst/

attest

Meaning
To provide or serve as clear evidence of; to confirm or certify the truth of something.
Example
The witness attested to the accuracy of the report.
B1 verb /əˈlɑːrm/

alarm

Meaning
to warn of danger; to frighten or disturb
Example
The loud noise alarmed the residents.
C2 adjective /ˈæfərənt/

afferent

Meaning
carrying impulses toward a central organ or part, especially toward the brain or spinal cord
Example
Afferent nerves carry signals from the body to the brain.
C2 verb /əˈlɪtəreɪt/

alliterate

Meaning
to repeat the same consonant sound at the beginning of words in a phrase or sentence
Example
The poet often alliterates words to create rhythm.
A2 verb /ədˈmɪt/

admit

Meaning
to confess to be true; to allow entrance; to accept as valid
Example
He had to admit his mistake to the teacher.
B1 noun ˈɑːkɪtektʃə(r)

architecture

Meaning
The art or science of designing and constructing buildings.
Example
Ancient architecture is fascinating.
B2 noun ˌɔː.təˈmeɪ.ʃən

automation

Meaning
Replacing manual work with machines or software.
Example
Automation increases efficiency and reduces errors in production.
C2 adjective /əˈsɪdjʊləs/

acidulous

Meaning
slightly sour or sharp in taste or manner
Example
The critic wrote an acidulous review of the movie.
B2 noun /ˈeɪlmənt/

ailment

Meaning
An illness, typically a minor one.
Example
He went to the doctor for a minor stomach ailment.
C1 noun /əˈbreɪʒən/

abrasion

Meaning
a scrape or wearing away of the skin or surface due to friction
Example
He suffered a minor abrasion on his knee after falling.
C1 adjective /əˈnæl.ə.ɡəs/

analogous

Meaning
Comparable in certain respects, typically in a way that makes clearer the nature of things being compared.
Example
The human brain is analogous to a supercomputer.
C2 noun /ˈætəmaɪzər/

atomizer

Meaning
A device that sprays liquid into a fine mist.
Example
She used an atomizer to apply the perfume evenly.
C1 adjective /əˈnɒmələs/

anomalous

Meaning
deviating from what is standard, normal, or expected
Example
Scientists observed an anomalous result during the experiment.
A1 adjective /ˈeɪbl/

able

Meaning
having the power, skill, or means to do something
Example
She is able to speak three languages fluently.
B2 noun /ˈɑːrtɪzən/

artisan

Meaning
a skilled craftsperson who makes things by hand
Example
The artisan crafted a beautiful wooden chair.
C1 noun /ˈæbdəmən/

abdomen

Meaning
The part of the body below the chest and above the hips that contains the stomach and other organs.
Example
He complained of pain in his abdomen.