arrhythmic
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C2 adjective /eɪˈrɪðmɪk/

arrhythmic

Meaning
Lacking a regular rhythm or beat.
Example
The patient had an arrhythmic heartbeat.
B2 noun /əˈbjuːs/

Abuse

Meaning
cruel and violent treatment; improper use of something
Example
The abuse of power led to his resignation.
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.
A2 verb /eɪm/

aim

Meaning
to direct a weapon, object, or effort at a target; to intend or plan
Example
He aimed the ball at the goal.
C1 adjective /ˈɔːdəˌtɔːri/

auditory

Meaning
Relating to the sense of hearing.
Example
The lecture was designed to enhance students' auditory learning skills.
C2 adjective /əˈsɪdjʊləs/

acidulous

Meaning
slightly sour or sharp in taste or manner
Example
The critic wrote an acidulous review of the movie.
C1 adjective /əˈnɒmələs/

anomalous

Meaning
deviating from what is standard, normal, or expected
Example
Scientists observed an anomalous result during the experiment.
B2 adjective /əˈdʒeɪsənt/

Adjacent

Meaning
পার্শ্ববর্তী; সংলগ্ন; নিকটবর্তী;
Example
The hotel is adjacent to the shopping mall.
B2 noun /əˈnælədʒi/

analogy

Meaning
A comparison between two things for the purpose of explanation or clarification.
Example
The teacher used the analogy of a tree to explain the structure of an essay.
C2 adjective /ɑːrˈθʊr.i.ən/

arthurian

Meaning
Relating to the legendary King Arthur and the stories surrounding him.
Example
The novel is set in an Arthurian world of knights and castles.
B1 adjective /əˈlaɪk/

Alike

Meaning
similar in appearance or nature; in the same way
Example
The two sisters look very much alike.
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.
C2 adjective /ˌæpəˈplɛktɪk/

apoplectic

Meaning
Extremely angry; furious.
Example
He was apoplectic when he heard about the unfair decision.
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.
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.
B2 adjective /ˈɑːrbɪˌtrɛri/

arbitrary

Meaning
based on random choice or personal whim, rather than reason or system
Example
The teacher's arbitrary grading upset many students.
C2 noun /ˌæbnɪˈɡeɪʃən/

abnegation

Meaning
the act of renouncing or rejecting something, especially self-denial
Example
The monk’s life was one of complete abnegation of worldly pleasures.
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.
A2 noun /ˈæk.ʃənz/

actions

Meaning
The fact or process of doing something, typically to achieve an aim.
Example
Immediate actions are needed for pollution control.
A2 verb /əˈpɪə/

appear

Meaning
to become visible or come into sight; to seem
Example
She appeared suddenly at the door.
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.
B2 adverb /əˈbrʌptli/

Abruptly

Meaning
suddenly and unexpectedly; without warning
Example
The meeting ended abruptly when the power went out.
C2 noun /ˈɪəri/ or /ˈɛəri/

aery

Meaning
An eagle’s nest, or a lofty, airy dwelling.
Example
The eagle perched proudly near its aery high on the cliff.
C2 noun /ˈɔːldərmən/

alderman

Meaning
An elected member of a municipal council in certain cities and towns.
Example
The alderman proposed a new plan for community parks.
B1 adjective əkˈsep.tɪd

accepted

Meaning
Generally believed or recognized to be valid or correct.
Example
The accepted terms were discussed in detail.
B1 adverb /ˈɑːf.tə.wərdz/

Afterwards

Meaning
at a later time; after an event or time that has already been mentioned
Example
We had dinner and afterwards we watched a movie.
C1 noun /æɡˈnɒs.tɪk/

agnostic

Meaning
a person who believes that nothing is known or can be known about the existence of God; uncertain in belief
Example
He described himself as an agnostic rather than an atheist.
C2 noun, verb /əˈfrʌnt/

affront

Meaning
An action or remark that causes outrage or offense.
Example
He took her criticism as a personal affront.
C2 adjective /əˈluːviəl/

alluvial

Meaning
Relating to or derived from alluvium (loose soil or sediment deposited by rivers).
Example
The farmers cultivate crops on the fertile alluvial plains.
C1 adjective əsˈtjuːt

astute

Meaning
Having or showing an ability to accurately assess situations or people and turn this to one's advantage.
Example
His astute observations helped solve the complex problem.
B1 noun /ˌæplɪˈkeɪʃən/

application

Meaning
a formal request for something; the act of putting something into operation; or a software program
Example
She submitted her application for the scholarship.
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.
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.
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 adjective /ˈæbsəluːt/

absolute

Meaning
total, complete, or without restriction
Example
The dictator had absolute power over the nation.
C2 adjective /əˈsɜːrbɪk/

acerbic

Meaning
sharp, harsh, or bitter in tone or taste
Example
His acerbic comments offended many people in the meeting.
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.
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.
C1 noun /ədˈhɪərənt/

adherent

Meaning
a person who supports or follows a particular belief, cause, or leader
Example
He is a strong adherent of democratic values.
C1 noun /əˈlɜːrtnəs/

alertness

Meaning
the state of being mentally aware and quick to notice or respond; vigilance
Example
The driver maintained a high level of alertness during the long journey.
C2 noun /ˈændaɪərn/

andiron

Meaning
a metal support used in a fireplace to hold logs
Example
The logs rested on the andirons in the old fireplace.
C1 adjective /ədˈmɪsəbl/

admissible

Meaning
acceptable or valid, especially as evidence in a court of law
Example
The judge ruled that the document was admissible as evidence.
B2 noun/verb /ɔːˈdɪʃən/

audition

Meaning
A trial performance by an actor, singer, or musician to demonstrate suitability for a role.
Example
She auditioned for the lead role in the school play.
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.
B1 noun /ˈætməsˌfɪər/

Atmosphere

Meaning
the envelope of gases surrounding the earth or another planet; the pervading tone or mood of a place
Example
The atmosphere protects us from harmful solar radiation.
C1 noun /ˌænθrəˈpɒlədʒɪst/

anthropologist

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

Advance

Meaning
progress or development; movement forward; money paid before it is due
Example
Technology has made great advances in recent years.
B2 adjective ˌæɡ.rɪˈkʌl.tʃər.əl

agricultural

Meaning
Connected with farming.
Example
Agricultural advancements enhance food security.
C1 verb /əˈdɔːrn/

adorn

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

airplane

Meaning
a powered flying vehicle with fixed wings and engines
Example
The airplane took off smoothly from the runway.
C1 adjective /ˌeɪˈsɛkʃuəl/

asexual

Meaning
Without sexual feelings, associations, or reproduction through sex.
Example
Many plants reproduce through asexual methods like budding or splitting.
C1 adjective /əˈniːmɪk/

anemic

Meaning
Suffering from anemia; lacking in vitality, strength, or color.
Example
The doctor prescribed iron supplements for her anemic condition.
C1 adjective /əˈmiːnəbl/

amenable

Meaning
willing to cooperate or be influenced; open to suggestions
Example
She was amenable to the idea of working longer hours.
C1 noun əˌsɪm.ɪˈleɪ.ʃən

Assimilation

Meaning
Connecting new information with existing knowledge
Example
Proper assimilation of knowledge leads to effective learning.
B2 noun /æs/

Ass

Meaning
a donkey; a small domesticated animal of the horse family
Example
The farmer used an ass to carry heavy loads.
C1 adjective /ˌærɪˈstɒkrætɪk/

Aristocratic

Meaning
noble; having the manners of the upper class
Example
She had an aristocratic bearing that commanded respect.
B2 noun /əˈlaɪnmənt/

alignment

Meaning
arrangement in a straight line or in proper position
Example
The alignment of the planets was perfect for the celestial event.
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.
B2 adjective + noun ˈædvɜːrs ɪˈfekts

adverse effects

Meaning
Negative or harmful impacts that result from an action or condition.
Example
Plastic usage has adverse effects on the environment.
C1 verb /əˈpɔːl/

appall

Meaning
To shock or horrify someone with something unpleasant or bad.
Example
The cruelty of the crime appalled the entire community.
C2 adjective əˈsɪd.ju.əs

assiduous

Meaning
Showing great care and perseverance; diligent and hardworking.
Example
His assiduous efforts led to a successful career.
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.
C1 noun /ˈæpəθi/

apathy

Meaning
a lack of interest, enthusiasm, or concern
Example
The students showed apathy towards the new rules.
C2 verb /ˌæpərˈteɪn/

appertain

Meaning
to relate to or be connected with something
Example
The rules only appertain to members of the club.
C1 verb /əˈkleɪm/

acclaim

Meaning
to praise enthusiastically and publicly
Example
The audience acclaimed the actor for his outstanding performance.
B2 adjective /ˈæp.lɪ.kə.bəl/

applicable

Meaning
Relevant or appropriate in a particular situation.
Example
This rule is applicable to eye care too.
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.
B1 adjective /ˈeɪn.ʃənt/

Ancient

Meaning
belonging to the very distant past; very old; historical
Example
We visited the ancient ruins of the Roman empire.
A2 adverb /əˈbrɔːd/

Abroad

Meaning
in or to a foreign country
Example
She decided to study abroad for a year.
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.
C2 noun ˌæɡ.roʊˈfɔːr.ɪ.stri

agroforestry

Meaning
A land use management system in which trees or shrubs are grown around or among crops or pastureland.
Example
Agroforestry improves soil quality and crop yield.
B1 noun /əˈdʒen.də/

Agenda

Meaning
a list of items to be discussed at a meeting; a plan of action
Example
The meeting agenda includes budget discussions.
A1 determiner/pronoun /əˈnʌðər/

another

Meaning
one more person or thing of the same type
Example
Can I have another cup of tea?
B2 noun ˈæsɪd reɪn

acid rain

Meaning
Rainfall made acidic by atmospheric pollution, especially from industrial emissions.
Example
Acid rain damages crops and buildings.
C2 verb /ˌæntɪˈsiːd/

antecede

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

approbation

Meaning
approval or praise
Example
The plan won the approbation of the board members.
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.
C2 noun /əˌɡlɒməˈreɪʃən/

agglomeration

Meaning
A mass or collection of things, sometimes clustered together.
Example
The city is an agglomeration of diverse cultures and communities.
C1 noun ˈælərdʒən

allergen

Meaning
A substance that causes an allergic reaction.
Example
Pollen is a common allergen that affects many people.
B2 adjective /əˈkjuːt/

acute

Meaning
present or experienced to a severe or intense degree; having sharp perception
Example
The patient suffered from acute pain after the surgery.
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.
B2 noun /ˌæk.jʊˈzeɪ.ʃən/

accusation

Meaning
A statement that someone has done something wrong or illegal.
Example
She made an accusation of theft against her colleague.
C2 noun /əˌbɑː.məˈneɪ.ʃən/

abomination

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

antagonism

Meaning
active hostility or opposition
Example
There was clear antagonism between the two political parties.
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.
C2 verb /ˌænɪmədˈvɜːt/

animadvert

Meaning
To comment critically or unfavorably.
Example
The teacher animadverted on the student's careless mistakes.
C2 noun /əˈbrɪdʒmənt/

abridgment

Meaning
A shortened version of a larger work, such as a book or speech.
Example
The publisher released an abridgment of the lengthy novel for students.
C1 adjective /ˌæl.ɡəˈrɪð.mɪk/

algorithmic

Meaning
Based on or using algorithms; relating to mathematical rules or procedures.
Example
Algorithmic processes power artificial intelligence systems.
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 adjective /ˌæp.rɪˈhen.sə.bəl/

Apprehensible

Meaning
able to be understood or grasped; comprehensible
Example
The complex theory became apprehensible after the professor's explanation.
C1 noun /ˈæmfɪˌθiətər/

amphitheater

Meaning
A large open circular or oval building with rising tiers of seats, used for public events.
Example
The concert was held in an ancient amphitheater.
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 noun /əˈkwɪtl/

acquittal

Meaning
a judgment that a person is not guilty of the crime with which they have been charged
Example
The acquittal of the accused shocked the public.
C2 verb /əbˈhɔːr/

abhor

Meaning
to regard with disgust and hatred
Example
She abhors cruelty to animals.
C2 verb /ˈædjʊˌleɪt/

adulate

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

adjure

Meaning
to urge or command someone solemnly, often under oath or a strong sense of duty
Example
The witness was adjured to tell the truth in court.
C2 adverb /əˈmʌk/

amok

Meaning
Behaving uncontrollably and disruptively.
Example
The angry mob ran amok after the verdict was announced.
B1 adjective /ˈæk.jə.rət/

Accurate

Meaning
correct, exact, and without any mistakes
Example
The weather forecast was completely accurate.
B2 adjective æmˈbɪɡ.ju.əs

ambiguous

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

approve

Meaning
to officially agree to or accept something; to give permission
Example
The committee will approve the new policy tomorrow.
C1 adjective /ˌeɪpəˈlɪtɪkəl/

apolitical

Meaning
not interested in or not connected with politics
Example
She prefers to stay apolitical and focus on her work.
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.
C2 noun əˈdʒuː.dɪ.kə.tɪv ˈbɒd.i

adjudicative body

Meaning
An official organization that has the authority to judge disputes and make decisions.
Example
The adjudicative body deliberated on the case.
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 verb ɔːɡˈmɛntɪŋ

augmenting

Meaning
Increasing; making something greater in size, number, or degree
Example
Life expectancy is augmenting with advancements in healthcare.
C2 verb /ˈæbrəɡeɪt/

abrogate

Meaning
To formally repeal, cancel, or abolish a law, agreement, or custom.
Example
The government decided to abrogate the outdated treaty.
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.
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 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 preposition /əˈmɪd/

amid

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

antemeridian

Meaning
Relating to the time before noon; occurring in the morning.
Example
She scheduled all her important meetings during the antemeridian hours.
A1 noun/adjective /əˈmerɪkən/

american

Meaning
relating to the United States or its people
Example
She is an American citizen.
B2 noun /eɪd/

aide

Meaning
An assistant or helper, especially to an important person.
Example
The senator’s aide organized the meeting with journalists.
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.
C2 noun /ˈɑːrtɪfɪs/

artifice

Meaning
clever or cunning devices or tricks used to deceive others
Example
The politician's charm was nothing but artifice.
C1 verb /əˈfɪks/

affix

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