arbitrage
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C2 noun /ˈɑːr.bɪ.trɑːʒ/

arbitrage

Meaning
The simultaneous buying and selling of securities in different markets to take advantage of differing prices.
Example
Investors use arbitrage to make profits in global markets.
C2 verb /ˈɔːɡər/

augur

Meaning
To be a sign of something to come; to predict or foretell.
Example
Dark clouds augur a coming storm.
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 noun /əˈlaʊəns/

Allowance

Meaning
a sum of money paid regularly to a person; permission to do something
Example
Children receive a weekly allowance for helping with chores.
C2 noun /ˌæprəˈbeɪʃən/

approbation

Meaning
approval or praise
Example
The plan won the approbation of the board members.
C1 verb /ˈæbdɪkeɪt/

abdicate

Meaning
To give up a position of power or responsibility, especially a throne.
Example
The king decided to abdicate the throne.
B2 noun əˈkɔːrd

accord

Meaning
An official agreement or treaty.
Example
The accord emphasized gradual progress.
A1 adverb /ˈɔːl.weɪz/

Always

Meaning
at all times; on all occasions; forever
Example
She always arrives early to work.
C2 noun /ˈɛərəˌnɔːt/

aeronaut

Meaning
A person who travels in an airship, balloon, or other aircraft.
Example
The aeronaut skillfully guided the hot-air balloon across the valley.
B2 noun /ˌɑːr.kiˈɑː.lə.dʒi/

archeology

Meaning
the study of human history and prehistory through excavation and analysis of artifacts and structures
Example
She decided to study archeology to learn about ancient civilizations.
C2 verb /ˈædjʊˌleɪt/

adulate

Meaning
to praise or flatter excessively
Example
The fans adulated the actor after his performance.
B2 noun /ˈænθəm/

anthem

Meaning
A song that is identified with a particular group, movement, or nation, often expressing pride or unity.
Example
The national anthem was played before the football match.
C2 verb /ˈɔːltərˌkeɪt/

altercate

Meaning
to argue or dispute angrily or noisily
Example
The neighbors began to altercate over the boundary wall.
C2 verb /əˈvaʊ/

avow

Meaning
to openly declare or admit something, often publicly and firmly
Example
He avowed his loyalty to the cause without hesitation.
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 /əˈsɜːrbɪk/

acerbic

Meaning
sharp, harsh, or bitter in tone or taste
Example
His acerbic comments offended many people in the meeting.
A2 verb /ˈɑːrɡjuː/

argue

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

avidity

Meaning
extreme eagerness or enthusiasm
Example
He accepted the offer with avidity.
A2 verb /əˈnɔɪ/

annoy

Meaning
to irritate or bother someone and make them feel a little angry or uncomfortable
Example
His constant humming started to annoy everyone in the room.
B1 verb /əˈtɛmpt/

attempt

Meaning
to make an effort to achieve or complete something difficult
Example
He attempted to climb the mountain despite the bad weather.
A2 noun /ˈæk.sɪ.dənt/

accident

Meaning
An unfortunate incident that happens unexpectedly and unintentionally.
Example
Safety measures aim to prevent accidents.
A2 adverb /ˌɛniˈmɔr/

anymore

Meaning
used to refer to the present time, typically to mean no longer
Example
He doesn’t live here anymore.
B2 noun /ˌæbəˈlɪʃən/

abolition

Meaning
the act of formally ending or eliminating a system, practice, or institution
Example
The abolition of slavery was a major milestone in human rights history.
C1 noun /ɔːˈtɒmətən/

automaton

Meaning
A machine that works automatically; also refers to a person who behaves like a machine, without thinking.
Example
He worked like an automaton, without showing any emotion.
B1 noun /ˈæksɛnt/

accent

Meaning
a distinctive way of pronouncing a language, especially one associated with a particular country or region
Example
She spoke English with a strong French accent.
B2 verb ədˈhɪər

adhere

Meaning
To stick firmly to something or stay attached.
Example
Neutrons adhere to protons.
C2 adjective /ˈæstrəl/

astral

Meaning
Relating to the stars or to spiritual, non-physical realms.
Example
Some believe in astral projection, the ability to leave the body and travel spiritually.
C2 noun, verb /əˈfrʌnt/

affront

Meaning
An action or remark that causes outrage or offense.
Example
He took her criticism as a personal affront.
A2 verb /əˈraɪv/

arrive

Meaning
to reach a destination; to come to a place
Example
The train will arrive at the station in ten minutes.
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.
B1 verb /əˈmeɪz/

amaze

Meaning
to fill someone with great surprise or wonder
Example
The magician’s final trick amazed the audience.
C1 verb /ədˈmɒnɪʃ/

admonish

Meaning
to warn or reprimand someone firmly; to advise or urge earnestly
Example
The teacher admonished the students for being late.
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.
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 adjective /ˌeɪpəˈlɪtɪkəl/

apolitical

Meaning
not interested in or not connected with politics
Example
She prefers to stay apolitical and focus on her work.
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.
B2 noun /əˈkjuːzd/

accused

Meaning
a person who has been charged with a crime
Example
The accused pleaded not guilty in court.
C2 noun /ˈæsɪˌteɪt/

acetate

Meaning
a salt or ester of acetic acid; a synthetic material used in textiles and film
Example
The company produces acetate fibers for clothing.
C2 noun, adjective /ˌæntiˌspæzˈmɒdɪk/

antispasmodic

Meaning
A drug or agent that relieves or prevents muscle spasms.
Example
The doctor prescribed an antispasmodic to ease the pain.
C1 adjective ɔːˈspɪʃ.əs

auspicious

Meaning
Favorable or bringing good luck and success
Example
The wedding was held on an auspicious day.
C1 verb /əˈdʒuːdɪˌkeɪt/

adjudicate

Meaning
to make a formal judgment or decision about a problem or dispute
Example
The committee was formed to adjudicate disputes between the parties.
B2 noun /əˈdɪkʃən/

addiction

Meaning
A strong and harmful need to regularly have or do something, such as drugs, alcohol, or habits.
Example
His addiction to video games affected his studies.
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.
C1 noun /ədˈhɪə.rəns/

adherence

Meaning
The practice of following or keeping to a rule, standard, or belief.
Example
Adherence to rules is crucial in any organization.
B2 verb /ˈɔːltər/

alter

Meaning
to change or modify something slightly but significantly
Example
She decided to alter her dress to make it fit better.
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 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.
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.
B1 noun, verb /eɪd/

aid

Meaning
help or support, typically of a practical nature
Example
The volunteers provided aid to the flood victims.
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.
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.
C2 noun /ˈeɪʒən siː bæs/

Asian sea bass

Meaning
a large predatory fish found in coastal waters and estuaries of the Indo-Pacific region, prized for its white meat
Example
Asian sea bass is highly valued in aquaculture for its fast growth.
C1 noun /ˈænvɪl/

anvil

Meaning
A heavy iron block used by blacksmiths for hammering and shaping metal.
Example
The blacksmith placed the hot iron on the anvil.
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.
C2 noun /əˌbɑː.məˈneɪ.ʃən/

abomination

Meaning
a thing that causes disgust or hatred
Example
Slavery was considered an abomination.
C2 adjective /əˈkjuː.zəˌtɔːr.i/

accusatory

Meaning
Suggesting blame or indicating someone has done wrong.
Example
He gave her an accusatory glance.
C1 noun /əˈsɛsər/

assessor

Meaning
a person who evaluates or estimates the nature, ability, or quality of something
Example
An external assessor reviewed the project report.
B2 noun ˈæmbɪəns

ambience

Meaning
The character and atmosphere of a place.
Example
The restaurant's ambience was relaxed and inviting, perfect for a casual dinner.
B1 noun /əˌsoʊsiˈeɪʃən/

association

Meaning
an organized group of people who have joined together for a common purpose
Example
She is a member of the local teachers' association.
B2 noun /ˈæsɪd/

acid

Meaning
a chemical substance that reacts with bases and has a sour taste
Example
Lemons contain citric acid.
B2 noun ɔːɡˈmɛn.tɪd riˈæl.ɪ.ti

augmented reality

Meaning
Technology that overlays digital information on the real world environment.
Example
Gaming has been transformed by augmented reality.
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.
C2 noun /ˈɔːldər/

alder

Meaning
A type of tree from the birch family that typically grows in wet ground and has simple, serrated leaves.
Example
The alder trees grew thick along the riverbank.
C1 noun /ˈækəleɪd/

accolade

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

animadvert

Meaning
To comment critically or unfavorably.
Example
The teacher animadverted on the student's careless mistakes.
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.
A2 adjective ˈæv.ər.ɪdʒ

average

Meaning
A number expressing the central or typical value in a set of data; constituting the result obtained by adding together several amounts and then dividing this total by the number of amounts.
Example
The average score reflects overall performance.
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.
C1 adjective /ˈæm.ɪ.kə.bəl/

amicable

Meaning
Having a spirit of friendliness; without serious disagreement or rancor.
Example
They reached an amicable agreement.
A1 preposition, adverb /əˈbaʊt/

about

Meaning
concerning; on the subject of; approximately
Example
We talked about the new project yesterday.
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.
C1 adjective /əˈbaɪdɪŋ/

abiding

Meaning
lasting for a long time; enduring
Example
She had an abiding love for her hometown.
C1 verb əˈkruː

accrue

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

Allied

Meaning
joined by agreement or treaty; associated; connected
Example
The allied forces worked together during the war.
B1 verb /əˈweɪk/

awake

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

adulterate

Meaning
to make something poorer in quality by adding another substance, usually of lower quality
Example
The company was fined for adulterating its products with cheap chemicals.
C1 noun /əˈlʌmnəs/

alumnus

Meaning
a former student or graduate of a school, college, or university
Example
He is an alumnus of Harvard University.
C1 noun /ˈæpəθi/

apathy

Meaning
a lack of interest, enthusiasm, or concern
Example
The students showed apathy towards the new rules.
C1 adjective /ˌeɪ.bəlˈbɒd.id/

able-bodied

Meaning
physically strong and healthy, not disabled
Example
The company is looking for able-bodied workers for the construction site.
A1 verb /æd/

add

Meaning
to join something to something else; to include
Example
Please add sugar to my coffee.
B2 adjective /ˈæfluənt/

affluent

Meaning
having a great deal of money; wealthy
Example
She grew up in an affluent neighborhood.
C1 noun /əˈliː.dʒəns/

allegiance

Meaning
Loyalty or commitment of a subordinate to a superior or of an individual to a group or cause.
Example
Soldiers take an oath of allegiance to their country.
B2 noun /ˈɔːkʃən/

Auction

Meaning
a public sale in which goods or property are sold to the highest bidder
Example
The antique furniture was sold at an auction last weekend.
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.
C1 adjective /əˈsɛndənt/

ascendant

Meaning
Rising in power or influence; dominant.
Example
She is an ascendant leader in the political party.
C1 noun /əˌsaɪˈniː/

assignee

Meaning
a person to whom a right or property is legally transferred
Example
The assignee of the contract is responsible for all future obligations.
B2 verb /əˈteɪn/

attain

Meaning
to achieve or reach something
Example
She worked hard to attain her goals.
A1 adverb /ˈɔːlsoʊ/

also

Meaning
in addition; too
Example
She sings beautifully and also plays the guitar.
C2 noun /ˈæpədʒiː/

apogee

Meaning
the highest or most distant point; the climax or peak of something
Example
The empire reached its apogee during the 18th century.
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.
C2 noun /əˈnækrəˌnɪzəm/

anachronism

Meaning
something that is out of its proper time period, especially something old-fashioned in a modern context
Example
Using a typewriter today feels like an anachronism.
C1 noun /ˈæmpɛər/

ampere

Meaning
A unit of electric current in the International System of Units (SI), symbolized as A.
Example
The current flowing through the wire is measured in amperes.
C1 adjective /əˈlʊr.ɪŋ/

Alluring

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

appetize

Meaning
to stimulate the appetite; to make someone eager or interested
Example
The aroma of fresh bread will appetize the guests before dinner.
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.
C2 adjective /əˈskjuː/

askew

Meaning
Not in a straight or level position; crooked or tilted.
Example
The picture on the wall hung slightly askew.
A2 noun /ˈeɪn.dʒəl/

Angel

Meaning
a spiritual being believed to act as an attendant, agent, or messenger of God
Example
She looked like an angel in her white dress.
B2 verb /əˈbɒlɪʃ/

abolish

Meaning
to formally end or stop something; to cancel or eliminate completely
Example
The government decided to abolish the old tax system.
C2 noun /ˈæmɪti/

amity

Meaning
A friendly relationship between people or countries.
Example
The treaty helped maintain amity between the neighboring nations.
C2 verb /əˈmælɡəmeɪt/

amalgamate

Meaning
to combine or unite to form one organization or structure; to merge
Example
The two companies decided to amalgamate their operations.
C2 noun /əˌpɒθiˈoʊsɪs/

apotheosis

Meaning
The highest point of development; the perfect example of something; the elevation of someone to divine status.
Example
Many see the Renaissance as the apotheosis of art and culture in Europe.
C2 noun /æbˈsɪʒən/

abscission

Meaning
The natural detachment of parts of a plant, typically leaves or fruit.
Example
The autumn season is marked by the abscission of leaves from trees.
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.
C2 verb /ˈæntɪdeɪtɪd/

antedated

Meaning
assigned to an earlier date than the actual one; happened earlier
Example
The letter was antedated to appear more official.
B2 conjunction /ˌɔːlˈbiː.ɪt/

albeit

Meaning
Although; even though.
Example
He finally agreed, albeit reluctantly.
B2 adjective æmˈbɪɡ.ju.əs

ambiguous

Meaning
Having more than one possible meaning; unclear or vague.
Example
His statement was too ambiguous to understand.
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 noun /ˌæŋɡloʊ ˈsæksən/

anglo-saxon

Meaning
A member of the Germanic peoples who settled in England in the early Middle Ages; also relating to their language or culture.
Example
The Anglo-Saxon period greatly influenced English culture and language.
C1 noun /aɪ/

aye

Meaning
an affirmative vote or expression of agreement
Example
The committee voted aye on the proposal.
C1 adjective /iːsˈθɛθɪkəl/

aesthetical

Meaning
concerned with beauty or the appreciation of beauty; related to artistic taste or appearance
Example
The architect focused on the aesthetical balance of the building.
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.
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.
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.
B1 noun /əˈmjuːzmənt/

Amusement

Meaning
the state or experience of finding something funny; entertainment or recreational activities
Example
The children's laughter showed their amusement at the clown's performance.
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.
B1 noun /ˈækses/

Access

Meaning
the ability, right, or permission to approach, enter, or pass to and from a place
Example
Students have access to the library 24 hours a day.
C2 noun /ˈɔːɡjʊri/

augury

Meaning
A sign or omen that is believed to predict future events.
Example
The dark clouds were seen as an augury of an approaching storm.
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.