alienation
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C1 noun /ˌeɪ.li.əˈneɪ.ʃən/

alienation

Meaning
The state of being isolated or estranged from a group or activity.
Example
The new policies created a sense of alienation among employees.
C1 adjective /əˈbreɪsɪv/

abrasive

Meaning
harsh, rough, or capable of wearing down by rubbing
Example
His abrasive tone made everyone uncomfortable.
C2 noun /əˈnjuː.ɪ.ti/

annuity

Meaning
a fixed sum of money paid to someone each year, typically for the rest of their life
Example
She receives an annuity from her late husband's insurance policy.
B1 adverb /ˌɔːl.təˈɡeð.ər/

Altogether

Meaning
completely; in total; considering everything
Example
The project cost altogether five thousand dollars.
B2 noun /ˌæktɪˈveɪʃən/

activation

Meaning
the act of making something start functioning
Example
The activation of the system took longer than expected.
A1 adverb /əˈɡen/

Again

Meaning
once more; another time; in addition
Example
I need to read this book again to understand it better.
B2 noun əˌkaʊntəˈbɪləti

accountability

Meaning
The fact or condition of being accountable; responsibility.
Example
Accountability is key to maintaining trust in any system.
C2 verb /ˈæktʃueɪt/

actuate

Meaning
to put into action or motion; to motivate or activate
Example
The engineer actuated the machine with a simple switch.
B2 noun /ˈæsɪd/

acid

Meaning
a chemical substance that reacts with bases and has a sour taste
Example
Lemons contain citric acid.
C1 noun /ˈækəleɪd/

accolade

Meaning
An award, honor, or expression of praise.
Example
She received an accolade for her outstanding performance.
B1 adjective /ˈæktʃuəl/

actual

Meaning
real and existing, not just imagined or supposed
Example
The actual cost was higher than expected.
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 adverb /əˈlɜːrtli/

alertly

Meaning
in a watchful, attentive, and quick-to-notice manner
Example
She listened alertly to every sound in the dark forest.
C1 adverb /ˈeɪ.mi.ə.bli/

Amiably

Meaning
in a friendly and pleasant manner
Example
They discussed the issue amiably without any arguments.
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.
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 adjective /əˈkjuː.zəˌtɔːr.i/

accusatory

Meaning
Suggesting blame or indicating someone has done wrong.
Example
He gave her an accusatory glance.
B2 noun əˈmend.mənts

amendments

Meaning
Changes or additions made to improve a text, law, or constitution.
Example
Amendments reflect evolving public needs.
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 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.
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 /ˈæn.oʊd/

anode

Meaning
The positive electrode in a device such as a battery, where current flows into a polarized electrical device.
Example
The anode of the battery was corroded after long use.
C2 noun /ˈɔːtɑːrki/

autarchy

Meaning
A system of self-sufficiency where a state or community is economically independent.
Example
The nation attempted autarchy to reduce reliance on imports.
A1 noun ækˈtɪv.ɪ.ti

Activities

Meaning
A thing that a person or group does or has done.
Example
Productive activities drive progress.
C1 verb /əˈtjuːn/

attune

Meaning
to make someone or something aware of or responsive to something; to adjust or harmonize
Example
She quickly attuned herself to the needs of her new team.
C2 noun /ˌæŋɡləˈfoʊbiə/

anglophobia

Meaning
Dislike or fear of England, English people, or English culture.
Example
The politician was accused of promoting Anglophobia in his speeches.
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.
B2 adverb /əˈlɛdʒɪdli/

allegedly

Meaning
used to say that something is claimed to be true, though not proven
Example
He was allegedly involved in the robbery.
B2 noun əˌkjuː.mjəˈleɪ.ʃən

accumulation

Meaning
The gradual gathering or collecting of something over time.
Example
The accumulation of dust affects appliance efficiency.
C1 adjective ɔːˈspɪʃ.əs

auspicious

Meaning
Favorable or bringing good luck and success
Example
The wedding was held on an auspicious day.
B1 noun /ˈæs.pekt/

aspect

Meaning
A particular part, feature, or view of something.
Example
One important aspect of health is regular exercise.
C2 noun /ˌɛərəˈstætɪks/

aerostatics

Meaning
The branch of physics that deals with the equilibrium of air and gases and the forces acting on bodies in them.
Example
Aerostatics is essential for understanding how balloons float.
C1 adjective /ˈædəmənt/

Adamant

Meaning
একগুঁয়ে; জেদী; দৃঢ়সংকল্প; অনমনীয়;
Example
She was adamant about her decision to leave the company.
C1 adjective /ˌæprɪˈhɛnsɪv/

apprehensive

Meaning
feeling anxious or fearful that something bad will happen
Example
He was apprehensive about starting a new job in a foreign country.
C2 adjective ˌeə.rəʊˈstæt.ɪk

aerostatic

Meaning
Relating to or involving gases (especially air) in equilibrium and the equilibrium of balloons or aircraft under the influence of such gases.
Example
Aerostatic designs ensure stability at high altitudes.
B2 noun /ɑːrˈkeɪd/

arcade

Meaning
a covered passage with arches along one or both sides; also a place with coin-operated games
Example
The children spent the afternoon playing games at the arcade.
A2 noun /əˈbɪləti/

Ability

Meaning
the power or skill to do something; capacity
Example
She has the ability to solve complex problems.
B2 adjective /əˈlɑːrmɪŋ/

alarming

Meaning
Worrying or disturbing; causing concern or fear.
Example
The unemployment rate among youth is alarming.
C1 verb /əˈpɛnd/

append

Meaning
to add something as an attachment or supplement, usually at the end of a document or list
Example
She decided to append a note to the end of the report.
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.
B2 noun /ɑːrtʃ/

arch

Meaning
a curved symmetrical structure spanning an opening and typically supporting the weight above it
Example
The ancient arch still stands in the city center.
C2 noun /ˈeə.rəm/

Arum

Meaning
a plant with large arrow-shaped leaves and a white spathe, also known as taro
Example
Arum leaves are commonly used in Bengali cuisine for cooking.
B2 noun /əkˌseləˈreɪʃən/

acceleration

Meaning
the rate at which velocity changes over time; the act of speeding up
Example
The car showed rapid acceleration as it entered the highway.
B2 verb /əbˈzɔːrb/

absorb

Meaning
to take in or soak up a liquid, energy, or information
Example
The sponge absorbed all the water.
B2 adverb /ɔːˈθentɪkli/

authentically

Meaning
in a genuine, real, or true manner; in a way that reflects true character or origin
Example
She speaks authentically about her experiences.
B1 adverb /ˌɔːtəˈmætɪkli/

automatically

Meaning
without human control or intervention; done by itself
Example
The door closes automatically after you enter.
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.
C2 noun /ˈɛərəˌstæt/

aerostat

Meaning
A lighter-than-air craft, such as a balloon, that is lifted by gas.
Example
The military used an aerostat for surveillance over the border.
B2 noun /ˈæɡ.ə.ni/

Agony

Meaning
extreme physical or mental suffering; intense pain
Example
He was in agony after the accident.
C2 noun/adjective /ˈæl.əˌbæs.tər/

alabaster

Meaning
A fine-grained, usually white variety of gypsum, often used for carving; also describes something smooth and pale like alabaster.
Example
The statue was carved from pure alabaster.
C1 noun /ˌæn.əˈnɪm.ə.ti/

anonymity

Meaning
The state of being anonymous; having one's identity kept secret or unknown.
Example
Online anonymity protects users from cyber threats.
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.
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.
C2 adjective, adverb /əˈbʌvˌbɔːrd/

aboveboard

Meaning
Open and honest; without deception or trickery.
Example
The business deal was completely aboveboard.
C1 adverb /əˈfrɛʃ/

afresh

Meaning
From the beginning, in a new way.
Example
After the failure, they started the project afresh.
C1 adjective /əˈkɪn/

akin

Meaning
Of similar character or related by blood.
Example
His reaction was akin to shock.
B2 adverb /ˈæk.jə.rət.li/

Accurately

Meaning
in an exact way, without any mistakes; precisely; correctly
Example
She accurately predicted the outcome of the election.
C1 adjective /ˈɔːdəˌtɔːri/

auditory

Meaning
Relating to the sense of hearing.
Example
The lecture was designed to enhance students' auditory learning skills.
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.
A2 noun /əˈpɪə.rəns/

Appearance

Meaning
the way that someone or something looks; an act of performing or participating in a public event
Example
Her appearance at the event surprised everyone.
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.
C1 noun æmˈbɪvələns

ambivalence

Meaning
Having mixed feelings or contradictory ideas about something; uncertainty or confusion.
Example
She felt ambivalence about taking the job offer.
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 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.
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.
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 /əˈmɛrɪkəˌnɪzəm/

americanism

Meaning
A word, phrase, or practice characteristic of American English or culture.
Example
The term 'sidewalk' is an Americanism, while 'pavement' is used in British English.
C2 adjective /əˈbɑː.mə.nə.bəl/

abominable

Meaning
causing moral revulsion; extremely unpleasant
Example
The prisoners were kept in abominable conditions.
C2 noun /əˈsper.ɪ.ti/

asperity

Meaning
Harshness of tone, manner, or surface.
Example
She spoke with asperity when she was interrupted.
C1 noun /ˈæl.kə.laɪ/

alkali

Meaning
a soluble base substance, typically with a pH greater than 7, that neutralizes acids
Example
Soap contains alkali which helps remove grease.
B2 noun ˈænsɛstərz

Ancestors

Meaning
A person from whom one is descended; a forefather.
Example
The family tree shows the names of all ancestors.
C1 noun /ɔːˈtɒkrəsi/

autocracy

Meaning
A system of government in which one person has absolute power.
Example
The country suffered under decades of autocracy.
C1 adjective /ˈeɪmləs/

Aimless

Meaning
without purpose or direction; lacking a goal
Example
He wandered around the city in an aimless manner.
C1 verb əˈkruː

accrue

Meaning
To accumulate or receive (payments or benefits) over time.
Example
Interest accrues on the savings account every month.
B2 verb /əˈspaɪər/

aspire

Meaning
to have a strong desire to achieve something
Example
Many students aspire to study abroad.
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.
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.
B2 noun /əˈstrɒlədʒi/

astrology

Meaning
the study of the movements and relative positions of celestial bodies interpreted as having an influence on human affairs
Example
She studied astrology to understand her future.
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.
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.
C2 adjective /əˈsɛt.ɪk/

ascetic

Meaning
Practicing strict self-denial and abstaining from worldly pleasures, often for religious reasons.
Example
He lived an ascetic life in the mountains, far from worldly comforts.
A2 noun /ˈɑːrmi/

army

Meaning
a large organized military force trained for war
Example
The army protected the border from attack.
C2 noun /əˈdɛndəm/

addendum

Meaning
an additional item or piece of information added at the end of a document or book
Example
The report included an addendum with updated statistics.
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.
B1 adjective /əkˈsɛptəbəl/

acceptable

Meaning
able to be agreed upon; satisfactory or suitable
Example
Your proposal is acceptable to the committee.
B2 adjective /əˈvɔɪdəbl/

avoidable

Meaning
able to be prevented or avoided
Example
Most of the damage was avoidable with proper planning.
B2 noun /əˈɡrɛʃən/

aggression

Meaning
hostile or violent behavior towards others
Example
His sudden aggression surprised everyone in the meeting.
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.
C2 noun /ˈæl.ɪ.mənt/

aliment

Meaning
food or nourishment that sustains life
Example
Fruits and vegetables are important aliments for a healthy body.
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.
C2 adjective /əˈɡeɪp/ or /əˈɡɑːp/

agape

Meaning
With the mouth wide open in surprise or wonder.
Example
She stood agape at the breathtaking view.
C2 noun əˈlæk.rə.t̬i

alacrity

Meaning
Brisk and cheerful readiness.
Example
He accepted the challenge with alacrity.
C1 adjective ˌæɡrɪˈkʌltʃərəli sɪɡˈnɪfɪkənt

agriculturally significant

Meaning
Important or crucial related to farming and agriculture
Example
Winter is agriculturally significant for crop production.
B2 adverb /ˌæksɪˈdɛntəli/

accidentally

Meaning
happening by chance or unexpectedly
Example
He accidentally dropped the glass.
C2 noun /ˈɑːriə/

aria

Meaning
a solo vocal piece with instrumental accompaniment, typically in an opera
Example
The soprano performed a moving aria during the second act.
C2 noun /əˈdʌltərənt/

adulterant

Meaning
a substance added to something else, often food or drink, to reduce its quality or strength
Example
The laboratory found an adulterant in the milk samples.
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.
C1 adjective/adverb /əˈmɪs/

amiss

Meaning
Not quite right; inappropriate or out of place.
Example
Something seems amiss with the car's engine.
B1 adjective /əˈlaɪk/

Alike

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

abductor

Meaning
a person who kidnaps or forcibly takes someone away
Example
The police arrested the abductor after a nationwide search.
A2 verb /ˈɑːrɡjuː/

argue

Meaning
to have a disagreement; to present reasons for or against
Example
They often argue about politics.
B2 noun /ˈɔːltər/

Altar

Meaning
a raised structure on which offerings or sacrifices are made to a deity
Example
The bride and groom stood before the altar during the ceremony.
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 adjective əˈsɪd.ju.əs

assiduous

Meaning
Showing great care and perseverance; diligent and hardworking.
Example
His assiduous efforts led to a successful career.
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 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 ˈæsɪd reɪn

acid rain

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

aggrieve

Meaning
to cause distress or make someone feel resentful
Example
She felt aggrieved by the unfair decision.
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.
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 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 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.
B2 adjective /ˈædmərəbəl/

Admirable

Meaning
প্রশংসনীয়; চমৎকার;
Example
Her dedication to helping others is truly admirable.
A1 preposition, adverb /əˈlɔːŋ/

along

Meaning
moving in a constant direction on (a road, path, or surface)
Example
We walked along the river.
C2 adjective /ænˈhaɪdrəs/

anhydrous

Meaning
Containing no water.
Example
The chemist used anhydrous ammonia for the experiment.
A1 noun /ɑːrm/

Arm

Meaning
the upper limb of the human body from the shoulder to the hand
Example
She raised her arm to ask a question.
A2 noun /ˈælbəm/

album

Meaning
A collection of songs or photographs compiled into a single book, record, or digital file.
Example
She showed me her travel album full of beautiful pictures.
B1 adjective /əˈʃeɪmd/

Ashamed

Meaning
feeling embarrassed or guilty because of one's actions
Example
He was ashamed of his poor performance.
B2 preposition /əˈmɪd/

amid

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