acclimatization
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C2 noun əˌklaɪ.mə.tɪˈzeɪ.ʃən

acclimatization

Meaning
The process of adapting to a new environment or condition.
Example
The hikers needed time for acclimatization to high altitudes.
B1 noun /ˈær.əb/

arab

Meaning
a person belonging to the Semitic people of the Middle East and North Africa
Example
He is an Arab living in Dubai.
C2 noun /ˈæpəˌlɔːɡ/

apologue

Meaning
a short moral story or fable intended to teach a lesson
Example
The teacher used an old apologue to explain honesty to the children.
B1 adjective /ədˈvænst/

advanced

Meaning
highly developed or complex
Example
He is studying an advanced level of mathematics.
B2 noun /ˈæŋk.lət/

Anklet

Meaning
a piece of jewelry worn around the ankle
Example
She wore a beautiful silver anklet on her left foot.
A2 noun əˈpɔɪnt.mənts

appointments

Meaning
An arrangement to meet someone at a particular time and place; the action of assigning a job or role to someone.
Example
Government appointments follow meritocracy.
C1 verb /əbˈdʌkt/

abduct

Meaning
to take someone away illegally by force or deception
Example
The criminal tried to abduct the child in broad daylight.
C1 noun /ədˈhiːʒən/

adhesion

Meaning
the process or state of sticking to something
Example
Strong adhesion is needed for the tiles to stay in place.
B1 verb /əˈdʒʌst/

adjust

Meaning
to change something slightly to make it more suitable or effective
Example
She adjusted the mirror to see the road clearly.
C2 noun /ænˈtɪlədʒi/

antilogy

Meaning
A contradiction in terms or ideas; inconsistency in speech or writing.
Example
The politician's statement was criticized for its antilogy.
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.
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.
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.
B2 adjective /əˈlaɪd/

Allied

Meaning
joined by agreement or treaty; associated; connected
Example
The allied forces worked together during the war.
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.
C2 noun /ˈænɪ siːd/

Ani seed

Meaning
Small aromatic seeds used as a spice and for medicinal purposes, with a sweet licorice-like flavor
Example
Anise seeds are often used in traditional desserts and teas.
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.
C2 adjective /ɔːˈrɪkjʊlər/

auricular

Meaning
Relating to the ear or hearing.
Example
The doctor used an auricular thermometer to check the patient's temperature.
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 adjective ˈeɪlɪəneɪtɪd

alienated

Meaning
Feeling isolated or estranged; disconnected from others or society.
Example
Alienated students are more prone to delinquency.
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 /əˈtrəʊ.ʃəs/

Atrocious

Meaning
horrifyingly wicked; extremely bad or unpleasant
Example
The conditions in the prison were atrocious.
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.
B1 noun /əˈsɛmbli/

assembly

Meaning
a group of people gathered together for a common purpose or the act of putting parts together to form something
Example
The school held an assembly to discuss the new rules.
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 verb /əˈlɛdʒ/

allege

Meaning
to claim or assert something, typically without proof
Example
The witness alleged that the man was at the crime scene.
C1 noun /əˈlɒt.mənt/

allotment

Meaning
The distribution or allocation of something, especially resources or portions.
Example
Each department received an allotment of resources.
A2 adjective /ˈɔːfəl/

awful

Meaning
very bad or unpleasant
Example
The weather was awful during our trip.
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 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.
C1 noun /ˌædməˈnɪʃən/

admonition

Meaning
a firm warning or reprimand; gentle or earnest advice
Example
He received an admonition for his careless work.
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.
C2 adjective /ˌænθrəpəˈmɔːrfəs/

anthropomorphous

Meaning
having the form or attributes of a human
Example
The statue had an anthropomorphous shape resembling a human.
A1 adverb /əˈɡen/

Again

Meaning
once more; another time; in addition
Example
I need to read this book again to understand it better.
C1 adjective ˌæv.ɒ̃ˈɡɑːd

avant-garde

Meaning
New and experimental; characterized by departure from or rejection of accepted standards.
Example
Avant-garde designs redefine the dining experience.
C1 adjective /əˈkɪn/

akin

Meaning
Of similar character or related by blood.
Example
His reaction was akin to shock.
B2 noun əˈmendmənt

amendment

Meaning
A minor change in a document.
Example
The amendment was not supported.
C1 noun /əˈpɒsəl/

apostle

Meaning
A vigorous and pioneering advocate or supporter of a particular cause, often used for the early Christian disciples.
Example
He became an apostle of environmental protection.
C2 adjective /ˌæl.ɪˈmen.tər.i/

alimentary

Meaning
relating to nourishment or the organs of digestion
Example
The doctor explained the role of the alimentary canal in digestion.
B2 adverb /əˈbrʌptli/

Abruptly

Meaning
suddenly and unexpectedly; without warning
Example
The meeting ended abruptly when the power went out.
B2 noun əˈsʌmp.ʃənz

assumptions

Meaning
Things that are accepted as true or certain to happen, without proof.
Example
His assumptions about the project were completely wrong.
C2 noun /ˈɔːrɪkl̩/

auricle

Meaning
The external part of the ear; also an upper chamber of the heart in anatomy.
Example
The doctor examined the patient’s auricle for signs of infection.
B1 adjective /æθˈlɛtɪk/

athletic

Meaning
physically strong, fit, and active; related to athletes or sports
Example
She has an athletic body because she exercises regularly.
C2 noun /ˈænɪməlˌkjuːl/

animalcule

Meaning
A microscopic animal, especially a protozoan or other minute organism.
Example
The scientist observed an animalcule moving under the microscope.
B2 noun /æmˈbæsədər/

Ambassador

Meaning
an accredited diplomat sent by a country as its official representative to a foreign country
Example
The ambassador met with government officials to discuss trade agreements.
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 adjective /əˈdʒʌstəbəl/

Adjustable

Meaning
নিয়মযোগ্য; পরিবর্তন-সাধ্য; সমন্বয়যোগ্য;
Example
This chair has an adjustable height feature.
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 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.
B1 noun /ˈɔː.θər/

Author

Meaning
a person who writes books, articles, or other written work
Example
The author spent three years writing her bestselling novel.
C1 noun /əˈnɒməli/

anomaly

Meaning
something that deviates from the norm or expected result
Example
The sudden drop in temperature was considered an anomaly.
B2 noun, verb /ˈɑːrkaɪv/

archive

Meaning
A collection of historical documents or records; to store or preserve information for future use.
Example
The library decided to archive all the old manuscripts.
C2 verb əˈtɛn.ju.eɪt

attenuate

Meaning
To reduce the force, effect, or value of something; to make weak or thin.
Example
The medicine helps attenuate the pain.
B1 adjective /ədˈvɛnʧərəs/

adventurous

Meaning
Willing to take risks or try out new methods, ideas, or experiences.
Example
They participated in adventurous activities like kayaking and hiking.
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 adjective /ˌæn.ɪkˈdoʊ.t̬əl/

anecdotal

Meaning
Based on personal accounts rather than facts or research; characterized by anecdotes.
Example
The book was filled with anecdotal evidence rather than data.
C2 noun /ˌæd.ʌmˈbreɪ.ʃən/

adumbration

Meaning
a vague foreshadowing or symbolic representation of something
Example
The play offers an adumbration of the political unrest to come.
B2 verb /əˈplɔːd/

applaud

Meaning
to show approval by clapping or expressing admiration
Example
The audience applauded the performance.
A2 verb /əˈplaɪ/

apply

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

accidentally

Meaning
happening by chance or unexpectedly
Example
He accidentally dropped the glass.
B2 preposition /əˈmɪd/

amid

Meaning
in the middle of or surrounded by something
Example
The team stayed calm amid the chaos.
C2 verb /ˈædjʊˌleɪt/

adulate

Meaning
to praise or flatter excessively
Example
The fans adulated the actor after his performance.
C2 noun /əˈrɪə/

arrear

Meaning
A debt or payment that is overdue and unpaid.
Example
He was sued for an arrear of rent.
C2 verb /ˌækwiˈɛs/

acquiesce

Meaning
to accept something reluctantly but without protest
Example
She decided to acquiesce to her parents’ wishes.
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.
C2 adjective /ˌæntɪdəˈluːviən/

antediluvian

Meaning
extremely old-fashioned; belonging to the time before the biblical flood
Example
His views on women are positively antediluvian.
C1 adjective /ˈɔːbərn/

auburn

Meaning
reddish-brown in color, especially used to describe hair
Example
She has long auburn hair that shines in the sunlight.
C1 verb /əˈsɪm.ɪ.leɪt/

assimilate

Meaning
To take in and understand fully; to absorb and integrate into one's knowledge or culture.
Example
Immigrants often struggle to assimilate into a new culture.
C2 noun /ænˈtɪpədiːz/

antipodes

Meaning
places on opposite sides of the Earth; also refers to things that are direct opposites
Example
Australia and Britain are often considered antipodes of each other.
C1 noun /ˈɑːr.tər.i/

Artery

Meaning
a blood vessel that carries blood away from the heart to other parts of the body
Example
The doctor checked the pulse in his artery.
C1 noun, verb /ˈɔːtɒpsi/

autopsy

Meaning
a post-mortem examination to discover the cause of death or the extent of disease
Example
The autopsy revealed that the victim had died from poisoning.
B1 noun /əˈpiːl/

Appeal

Meaning
a serious or urgent request, typically to the public; the quality of being attractive or interesting
Example
The charity made an appeal for donations.
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.
A2 noun /ədˈvaɪs/

advice

Meaning
Guidance or recommendations offered with regard to prudent future action.
Example
Experts provide advice for better air quality.
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.
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.
C1 verb /əˈdʒɔɪn/

adjoin

Meaning
To be next to and joined with something.
Example
Their house adjoins the park.
C2 noun /ˈækəlaɪt/

acolyte

Meaning
a follower or assistant, especially in a religious service or as a devoted supporter of a leader
Example
The senator arrived with a small group of acolytes who handled the press.
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 adjective, noun, verb /ˈæb.strækt/

abstract

Meaning
existing in thought or as an idea but not having physical or concrete existence; a summary of a text
Example
The artist is known for her abstract paintings.
C2 noun /ˌær.əˈbesk/

arabesque

Meaning
a complex, ornate design featuring intertwined flowing lines, often used in architecture or ballet poses
Example
The ceiling was decorated with delicate arabesque patterns.
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.
C2 adjective /eɪˈsɛptɪk/

aseptic

Meaning
Free from contamination caused by harmful microorganisms; sterile.
Example
Surgeons must work in an aseptic environment to prevent infection.
A2 adjective /əˈsliːp/

asleep

Meaning
in a state of sleep
Example
The baby is fast asleep.
B1 verb /əˈsoʊsiˌeɪt/

associate

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

affirmative

Meaning
expressing agreement, approval, or a positive response
Example
She gave an affirmative answer to the proposal.
B1 verb /əˈweɪk/

awake

Meaning
to stop sleeping; to become conscious or alert
Example
I awake every morning at six o'clock.
C2 noun /əˈmʊr/

amour

Meaning
A secret or illicit love affair.
Example
The novel tells the story of a forbidden amour between two characters.
C2 verb /æbˈdʒʊər/

abjure

Meaning
to formally renounce or give up a belief, cause, or claim
Example
He abjured his allegiance to the old regime.
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.
C2 noun /ˈætəvɪzəm/

atavism

Meaning
The recurrence of traits or characteristics from a remote ancestor.
Example
The scientist noted atavism in the child’s physical features.
B2 adjective /ˌæbsənt ˈmaɪndɪd/

absent-minded

Meaning
often forgetting things or not paying attention
Example
He is so absent-minded that he often forgets his keys.
B2 adjective əˈstɒnɪʃɪŋ

astonishing

Meaning
Extremely surprising or impressive; amazing.
Example
The astonishing discovery changed the way we view the universe.
B2 adverb /ˈæktɪvli/

actively

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

abbreviate

Meaning
To shorten a word, phrase, or text by leaving out letters or parts.
Example
We often abbreviate 'Doctor' to 'Dr'.
C1 adverb /əˈtroʊʃəsli/

atrociously

Meaning
in a very cruel, shocking, or extremely bad manner
Example
The service at the restaurant was atrociously slow.
C2 noun (plural) /əˈspɜːr.ʒənz/

aspersions

Meaning
Critical or slanderous remarks; multiple attacks on reputation.
Example
The politician rejected the aspersions cast against him.
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.
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.
B2 noun /ˈæktɪˌvɪzəm/

activism

Meaning
The policy or action of using vigorous campaigning to bring about political or social change.
Example
Her environmental activism inspired many young people to take action.
B2 noun əˈkɔːrd

accord

Meaning
An official agreement or treaty.
Example
The accord emphasized gradual progress.
B2 adjective /ænˈtɑːrktɪk/

antarctic

Meaning
relating to the region around the South Pole
Example
The Antarctic region is known for its extreme cold and icy landscapes.
C1 noun /əˈseɪlənt/

assailant

Meaning
a person who attacks another
Example
The police arrested the assailant at the scene.
B1 noun /ˈæŋkəl/

ankle

Meaning
the joint connecting the foot with the leg
Example
He twisted his ankle while playing football.
A2 adverb /ˈen.i.weər/

Anywhere

Meaning
in or to any place; wherever
Example
You can sit anywhere you like in this restaurant.
A1 pronoun /ˈɛniˌbɒdi/

anybody

Meaning
any person; anyone
Example
Anybody can join the club.
B2 adjective /ˌærəˈmætɪk/

aromatic

Meaning
Having a pleasant and distinctive smell.
Example
The chef used aromatic herbs to flavor the dish.
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 /əˈlʊr.ɪŋ/

Alluring

Meaning
attractive and tempting; fascinating
Example
The alluring fragrance of roses filled the garden.
B1 adjective /ɑːrˈtɪstɪk/

artistic

Meaning
having or revealing natural creative skill
Example
She has an artistic sense of design.
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 noun /əkˈnɒlɪdʒmənt/

acknowledgment

Meaning
the act of accepting, admitting, or recognizing something
Example
He received an acknowledgment of his application.
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.
B2 adjective /ɔːˈθen.tɪk/

Authentic

Meaning
genuine; real; not fake or copied
Example
The museum displays only authentic artifacts from ancient civilizations.
C2 noun/adjective /ælˈbaɪ.noʊ/

albino

Meaning
A person, animal, or plant lacking normal pigmentation, resulting in pale skin, hair, and eyes.
Example
The albino rabbit had white fur and pink eyes.
C1 noun /əˈluːʒən/

allusion

Meaning
An indirect reference to something without mentioning it explicitly.
Example
Her story contained an allusion to a famous myth.
C2 noun /ˌɑːrbəˈriːtəm/

arboretum

Meaning
a place where trees, shrubs, and plants are grown for scientific study or public display
Example
We visited the city’s arboretum to learn about exotic trees.
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.
C1 noun /əˈtaɪər/

attire

Meaning
Clothing, especially formal or elegant wear.
Example
She wore traditional attire at the wedding ceremony.
B1 noun əˈwɛrnɪs

Awareness

Meaning
Knowledge or understanding about important issues, particularly environmental conservation.
Example
Spreading awareness is essential to save butterflies.