artificial intelligence
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B1 noun ˌɑː.tɪˈfɪʃ.əl ɪnˈtɛl.ɪ.dʒəns

artificial intelligence

Meaning
The theory and development of computer systems able to perform tasks normally requiring human intelligence.
Example
Artificial intelligence is revolutionizing education through smart tutoring.
B1 noun /ˈɑː.kɪ.tekt/

architect

Meaning
a person who designs buildings and oversees their construction
Example
The architect designed a modern office building.
B2 verb /ˈɔː.tə.meɪt/

automate

Meaning
To make a process or system operate automatically by means of machines or computers.
Example
Many companies automate their processes to save time.
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 /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.
C1 adjective /əˈlʊr.ɪŋ/

Alluring

Meaning
attractive and tempting; fascinating
Example
The alluring fragrance of roses filled the garden.
B2 noun /ˈæplɪkənt/

applicant

Meaning
a person who applies for something, such as a job or a position
Example
The applicant was interviewed for the position.
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 adjective /æbˈstiːmiəs/

abstemious

Meaning
not allowing oneself much food or drink; marked by moderation
Example
She lived an abstemious life, avoiding all luxuries.
B1 noun /ˈeər fɔːrs/

Air force

Meaning
the military organization of a country that uses aircraft for fighting
Example
The air force conducted a training exercise over the mountains.
A2 noun /ˌænɪˈvɜːrsəri/

anniversary

Meaning
the yearly recurrence of a date marking a past event
Example
They celebrated their wedding anniversary with a dinner.
B2 noun /ˈeɪ.prən/

apron

Meaning
A protective garment worn over the front of one's clothes to keep them clean, especially while cooking.
Example
She tied an apron around her waist before cooking dinner.
C1 adjective /əˈfɜːrmətɪv/

affirmative

Meaning
expressing agreement, approval, or a positive response
Example
She gave an affirmative answer to the proposal.
C1 verb /əˈpiːz/

appease

Meaning
to calm or pacify someone by meeting their demands
Example
The manager tried to appease the angry customer.
A2 adjective /əˈnɔɪd/

annoyed

Meaning
feeling slightly angry or irritated
Example
She felt annoyed by the constant noise.
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.
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.
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 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.
C1 verb /əˈbaʊnd/

abound

Meaning
To exist in large numbers or amounts.
Example
Opportunities abound in the field of technology.
C2 noun /ˈæntɪk/

antic

Meaning
a playful, funny, or silly act or gesture
Example
The children laughed at the clown’s antics.
A1 noun/adjective /əˈmerɪkən/

american

Meaning
relating to the United States or its people
Example
She is an American citizen.
C2 noun ˌæɡ.roʊ.iˈkɒl.ə.dʒi

agroecology

Meaning
A scientific discipline that studies agricultural systems by applying ecological concepts and principles.
Example
Agroecology promotes eco-friendly farming.
C1 noun /əˈluːʒən/

allusion

Meaning
An indirect reference to something without mentioning it explicitly.
Example
Her story contained an allusion to a famous myth.
C1 adverb /əˈtroʊʃəsli/

atrociously

Meaning
in a very cruel, shocking, or extremely bad manner
Example
The service at the restaurant was atrociously slow.
B2 verb /əˈsaɪn/

assign

Meaning
to give someone a task, duty, or responsibility
Example
The manager will assign tasks to the new employees.
B2 adverb /ˈæktɪvli/

actively

Meaning
in a way that involves energetic participation or effort
Example
He is actively involved in community service.
B1 noun əˈses.mənt

assessment

Meaning
The evaluation or estimation of the nature, quality, or ability of someone or something.
Example
The assessment process ensures fairness.
C2 noun /əˈpɜːrtənəns/

appurtenance

Meaning
an accessory or supplementary part of something
Example
The garage is an appurtenance of the main house.
C2 noun /əˈkwɪtəns/

acquittance

Meaning
a written receipt acknowledging payment or discharge of a debt
Example
He demanded an acquittance after paying the loan.
B1 noun /ˈɛər.kræft/

aircraft

Meaning
A vehicle, such as an airplane or helicopter, that can fly in the air.
Example
The military aircraft flew over the city.
B2 noun /əˈstɒnɪʃmənt/

astonishment

Meaning
Great surprise or amazement.
Example
She looked at the magician with astonishment.
B1 verb /əˈfɛkt/

affect

Meaning
to influence or make a difference to something
Example
The weather can greatly affect our mood.
C1 adjective /ˌærɪˈstɒkrætɪk/

Aristocratic

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

aurora

Meaning
A natural display of lights in the sky, usually seen in polar regions.
Example
We traveled to Norway to see the northern aurora.
C1 adjective /æmˈfɪb.i.əs/

Amphibious

Meaning
able to live both on land and in water; suitable for both land and water operations
Example
The amphibious vehicle can travel on both land and water.
B2 noun /ˈɑːrtɪˌfækt/

artifact

Meaning
an object made by humans, typically of historical or cultural interest
Example
The museum displayed ancient artifacts from Egypt.
C1 verb /əˈfɪliˌeɪt/

affiliate

Meaning
to officially attach or connect (a group or organization) to a larger body
Example
The school is affiliated with the local university.
B2 adjective, noun /ədˈvaɪzəri/

advisory

Meaning
(adjective) having the power to give advice but not to make sure that it is followed; (noun) an official announcement containing information or a warning
Example
The committee serves in an advisory capacity to the board of directors.
A2 noun /ˈɔːdiəns/

audience

Meaning
A group of people who gather to watch, listen to, or experience a performance, event, or broadcast.
Example
The audience clapped loudly after the performance.
C2 noun /ˈæn.əlz/

annals

Meaning
Historical records of events, usually arranged chronologically.
Example
Her name will be remembered in the annals of science.
A1 determiner/pronoun /ˈɛni/

any

Meaning
one, some, or all, without specifying which
Example
Do you have any questions?
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 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.
C1 verb /eɪl/

ail

Meaning
to be ill or suffer from a physical or mental problem; to trouble or afflict
Example
She has been ailing since last winter.
A1 adverb /æz/

As

Meaning
in the way that; while; because; during the time that
Example
As you grow older, you become wiser.
C1 adjective, noun /əbˈzɔːrbənt/

absorbent

Meaning
able to soak up liquid, moisture, or energy easily; a material or substance that absorbs
Example
This towel is highly absorbent and dries quickly.
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 /ˈæpərtʃər/

aperture

Meaning
an opening, hole, or gap, especially one that lets in light
Example
Light entered through the small aperture in the wall.
C1 noun ˌeə.rəʊ.daɪˈnæm.ɪks

aerodynamics

Meaning
The study of the properties of moving air and the interaction between the air and solid bodies moving through it.
Example
The aerodynamics of an aircraft determines its speed and efficiency.
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.
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.
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.
A2 conjunction /ɔːlˈðoʊ/

although

Meaning
in spite of the fact that; even though
Example
Although it was raining, they went for a walk.
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.
C1 noun /ˈɑː.kɪ.taɪp/

archetype

Meaning
A very typical example of a certain person or thing; an original model or prototype.
Example
This painting is the archetype of modern art.
C2 noun /ˈævərɪs/

avarice

Meaning
extreme greed for wealth or material gain
Example
His avarice led him to exploit his workers.
B2 noun ˈæk.tɪv rɪˈkɔːl

Active recall

Meaning
A learning technique that involves actively trying to retrieve information from memory rather than passively reviewing material.
Example
Active recall improves long-term memory and retention.
B2 adjective, noun /ˈɛəriəl/

aerial

Meaning
As an adjective: existing or happening in the air. As a noun: an antenna for receiving radio or television signals.
Example
The pilot performed an amazing aerial maneuver.
B1 noun əˈwɛrnɪs

Awareness

Meaning
Knowledge or understanding about important issues, particularly environmental conservation.
Example
Spreading awareness is essential to save butterflies.
C1 adjective /əˈɡrɛəriən/

agrarian

Meaning
Related to farming, agriculture, or rural land.
Example
The country’s economy is still largely agrarian.
C1 noun /æbˈdʌk.ʃən/

abduction

Meaning
the act of taking someone away illegally by force; kidnapping
Example
The police are investigating the abduction of the child.
C2 noun /əˈbaɪdəns/

abidance

Meaning
the act of following, accepting, or complying with something
Example
Her abidance by the rules impressed the committee.
C1 verb /əˈfɪks/

affix

Meaning
to attach or stick something firmly to another thing
Example
Please affix the stamp to the envelope.
C2 noun /əˈluː.vi.əm/

alluvium

Meaning
Fertile soil deposited by flowing water, especially in riverbanks.
Example
The alluvium in riverbanks is highly fertile for agriculture.
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.
B2 adjective + noun অ্যাডভার্স ইমপ্যাক্ট

adverse impact

Meaning
A negative or harmful effect or influence on something.
Example
Long screen time has an adverse impact on hand muscles.
C1 adjective /ˌɔːtəˈkrætɪk/

autocratic

Meaning
Relating to a ruler who has absolute power and does not consult others.
Example
The manager’s autocratic style discouraged employees from sharing their ideas.
A2 noun /əˈsɪstənt/

assistant

Meaning
a person who helps or supports another, often in a job
Example
She works as an assistant in a law firm.
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.
B2 adjective/verb /əˈprɒksɪmət/

approximate

Meaning
close to the actual but not exact; to estimate or calculate roughly
Example
The cost is approximate and may change later.
C1 adjective /əˈbɪzməl/

abysmal

Meaning
extremely bad or appalling
Example
The team's performance was abysmal.
B2 verb /əˈkɒmədeɪt/

accommodate

Meaning
To provide lodging, space, or meet the needs of someone.
Example
The hotel can accommodate up to 200 guests.
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 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.
A2 verb /əkˈsɛpt/

accept

Meaning
to receive willingly; to believe or come to recognize
Example
She decided to accept the job offer.
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.
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.
C2 noun (plural) /əˈspɜːr.ʒənz/

aspersions

Meaning
Critical or slanderous remarks; multiple attacks on reputation.
Example
The politician rejected the aspersions cast against him.
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.
A1 adverb /əˈɡen/

Again

Meaning
once more; another time; in addition
Example
I need to read this book again to understand it better.
C1 verb /ˈædʒ.ɪ.teɪt/

agitate

Meaning
to stir up feelings or disturb; to campaign for change
Example
The protesters agitated for better working conditions.
A1 preposition, conjunction, adverb /ˈæftər/

after

Meaning
in the time following an event or another action
Example
We went for ice cream after the movie.
C2 noun /əˈnɔɪnt.mənt/

anointment

Meaning
The act of anointing, usually with oil, as part of a ritual or ceremony.
Example
The anointment of the new leader was a sacred ritual.
C1 noun /əˈdʒɪl.ɪ.ti/

agility

Meaning
Ability to work quickly and easily, both physically and mentally.
Example
Mental agility is essential for problem-solving.
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.
A2 verb /əˈtend/

attend

Meaning
to be present at; to give attention to; to take care of
Example
I will attend the conference next week.
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 adjective /əˈlɑːrmɪŋ/

alarming

Meaning
Worrying or disturbing; causing concern or fear.
Example
The unemployment rate among youth is alarming.
A2 verb /əˈnaʊns/

announce

Meaning
to make a formal public statement about something
Example
The company will announce the new product tomorrow.
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.
C2 adjective /ˈæpəzɪt/

apposite

Meaning
highly appropriate or relevant to what is being discussed
Example
Her remark was particularly apposite to the situation.
B2 noun /ˈæsɪd/

acid

Meaning
a chemical substance that reacts with bases and has a sour taste
Example
Lemons contain citric acid.
B2 adjective /əˈsɪdɪk/

acidic

Meaning
containing acid; having a sour taste; sharp or biting in tone
Example
The lemon has an acidic taste that makes your mouth pucker.
B2 noun /ˌædməˈreɪʃən/

admiration

Meaning
a feeling of respect, pleasure, or approval for someone or something
Example
She felt great admiration for her teacher’s dedication.
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.
A2 verb /əˈtæk/

attack

Meaning
to use violence against someone; to criticize strongly
Example
The enemy forces attacked at dawn.
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.
B2 adverb /ˈɑːɡjuːəbli/

arguably

Meaning
used to say that a statement is open to argument or is considered true by many people
Example
She is arguably the most talented player on the team.
A2 noun /ˈeər kənˈdɪʃ.ən.ər/

Air conditioner

Meaning
a system that controls the temperature, humidity, and air quality in a building or room
Example
We turned on the air conditioner because it was too hot outside.
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.
B1 adjective /əˈɡrɛsɪv/

aggressive

Meaning
ready or likely to attack or confront; forceful
Example
The salesman used an aggressive strategy to close the deal.
B2 noun /əkˈsɛsəri/

accessory

Meaning
a thing which can be added to something else to make it more useful, versatile, or attractive; a person who assists in committing a crime
Example
She bought some stylish accessories for her new phone.
C1 adjective /ˈærəbəl/

arable

Meaning
suitable for growing crops or farming
Example
The farmer purchased arable land to expand his crops.
C2 adjective /əˈpɜːrtənənt/

appurtenant

Meaning
Belonging to or associated with something, often used in legal/property contexts.
Example
The right of way is appurtenant to the landowner’s property.
B2 noun /əkˈnɒlɪdʒmənt/

acknowledgment

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

adventurer

Meaning
a person who seeks exciting, risky, or unusual experiences; someone who explores new or unknown places
Example
The adventurer traveled deep into the jungle in search of ancient ruins.
B1 adjective /ˈæbsənt/

absent

Meaning
not present at a place or event
Example
She was absent from the meeting yesterday.
C1 adjective /ˈɑːtfəl/

Artful

Meaning
clever or skillful, especially in a cunning way
Example
She gave an artful answer that avoided the real question.
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.
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.
C2 noun /əˈrɪə/

arrear

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

autocrat

Meaning
A ruler with absolute power.
Example
The autocrat controlled the country with an iron fist.
C2 noun ˌæb.əˈreɪ.ʃən

aberration

Meaning
A departure from what is normal, usual, or expected, typically one that is unwelcome.
Example
The scientist dismissed the data as an aberration.
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 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 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.
B2 noun /ˈæltɪtuːd/

altitude

Meaning
the height of an object or point in relation to sea level or ground level
Example
The airplane is flying at an altitude of 30,000 feet.
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 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.