Laboratory (Lab)
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B1 noun /ləˈbɔːr.ə.tɔːr.i/

Laboratory (Lab)

Meaning
a room or building equipped for scientific experiments, research, or teaching
Example
The scientists conducted their experiments in the well-equipped laboratory.
C1 adjective /ˈfɔːrsəbl/

forcible

Meaning
Done by force; using physical strength or power.
Example
The police made a forcible entry into the house.
B2 verb /ɪkˈskluːd/

exclude

Meaning
To deliberately leave out or prevent someone or something from being included.
Example
The list excludes temporary workers.
C2 noun /zɪˈnɑːnə/

Zenanna

Meaning
the part of a house reserved for women; women's quarters in Muslim households; harem
Example
The zenanna was beautifully decorated with intricate patterns.
C1 noun /hɒˈstɪləti/

hostility

Meaning
hostile behavior; unfriendliness or opposition
Example
The negotiations ended in an atmosphere of hostility.
C1 adjective /wɪðˈdrɔːn/

withdrawn

Meaning
quiet and shy; not wanting to talk to others
Example
After the incident, he became withdrawn and avoided his friends.
B2 noun/verb rɪˈfɔːm

reform

Meaning
Make changes in (something, typically a social, political, or economic institution or practice) in order to improve it.
Example
Reform in the education system was a priority.
A2 noun /ˈdaʊnˌtaʊn/

downtown

Meaning
the central part of a city
Example
They spent the afternoon shopping downtown.
C2 noun /məˈlæsɪz/

Molasses

Meaning
thick, dark, sweet syrup made from sugar cane
Example
The recipe calls for molasses to give the bread a rich flavor.
C2 noun /ˈpjuːɪsəns/

puissance

Meaning
Great power, strength, or influence.
Example
The empire showed its puissance through vast armies.
B2 noun /ˌpɜːrsəˈnel/

personnel

Meaning
People employed in an organization or engaged in an organized undertaking such as military service.
Example
The company is hiring more personnel for its new branch.
C1 adjective /ˈtɛlˌteɪl/

telltale

Meaning
Revealing something that is usually hidden; giving away a secret or clue.
Example
The telltale signs of fatigue were visible on his face.
A2 adjective ˈmed.ɪ.kəl

medical

Meaning
Relating to the practice of medicine or the treatment of illness and injuries.
Example
Medical education has improved significantly.
B1 verb /rɪˈfɜː/

refer

Meaning
to mention or allude to something; to direct someone to a source of information
Example
Please refer to page 45 for more details.
C2 noun /ˌkiː ˈviːv/

qui vive

Meaning
A state of alertness or vigilance.
Example
The guards were on the qui vive during the night.
B2 adverb /ˈdɛspərətli/

desperately

Meaning
in a way that shows despair or great need
Example
He called for help desperately after the accident.
C2 noun /ʃiːf/

sheaf

Meaning
a bundle of grain stalks laid lengthwise and tied together after reaping; a bundle of objects tied together
Example
The farmer carried a sheaf of wheat on his shoulder.
C1 noun /ˈhɒl.ə.kɔːst/

holocaust

Meaning
A large-scale destruction, especially by fire; historically, the genocide of Jews during World War II.
Example
Millions of people perished during the Holocaust.
C1 adjective ˈɛl.ə.kwənt

eloquent

Meaning
Fluent or persuasive in speaking or writing; clearly expressing or indicating something.
Example
Her eloquent speech inspired the entire audience.
B2 verb /ˈʃɔːrtn/

shorten

Meaning
To make something shorter in length, duration, or extent
Example
She decided to shorten her speech to fit the time limit.
C1 adjective /ˌsɛlf əbˈzɔːrbd/

self-absorbed

Meaning
Excessively preoccupied with oneself and one’s own thoughts, feelings, or interests.
Example
He was too self-absorbed to notice his friend's distress.
C1 noun /ˈsɪtrɪk ˈæsɪd/

Citric Acid

Meaning
a natural acid found in citrus fruits, used as a food preservative and flavoring agent
Example
Add a pinch of citric acid to preserve the color of the fruit jam.
C2 noun /ˈɪŋkjʊbəs/

incubus

Meaning
An oppressive or nightmarish burden; in folklore, an evil spirit that lies upon sleeping people.
Example
Debt became an incubus that weighed heavily on the family.
C1 adjective /ˈkælkjʊleɪtɪŋ/

calculating

Meaning
acting in a scheming and ruthlessly determined way
Example
He had a cold and calculating approach to business.
C2 noun /ɪnˈtɛmpərəns/

intemperance

Meaning
Lack of moderation or self-control, especially with drinking or eating.
Example
His intemperance in drinking ruined his health.
B2 noun /djuː/

Dew

Meaning
tiny drops of water that form on cool surfaces at night when atmospheric water vapour condenses
Example
The morning dew glistened on the grass.
A1 adverb /ˈmeɪbi/

maybe

Meaning
used to express possibility or uncertainty
Example
Maybe we will go to the park tomorrow.
C1 adjective /ˈwɪm.zɪ.kəl/

Whimsical

Meaning
playfully quaint or fanciful, especially in an appealing and amusing way
Example
The artist created whimsical sculptures that delighted children.
A1 verb /fiːl/

Feel

Meaning
to experience an emotion or physical sensation; to touch something
Example
I feel happy when I see my friends.
C2 adjective /pruːˈdɛnʃəl/

prudential

Meaning
involving or showing prudence, especially in financial or business matters
Example
The bank has set prudential rules to protect depositors.
C1 verb əˈblɪt.ə.reɪt

obliterate

Meaning
To destroy utterly; wipe out completely, to erase or remove something completely.
Example
The storm obliterated entire villages.
C1 verb /ˈpɪlɪdʒ/

pillage

Meaning
to rob or plunder a place, especially during war
Example
The invading army pillaged the village and took all valuables.
C2 verb /ɪˈfɛktʃueɪt/

effectuate

Meaning
to put into force or cause to happen; to bring about
Example
The manager effectuated the changes to improve efficiency.
B2 adjective /prɛsˈtɪdʒəs/

prestigious

Meaning
having a high reputation; respected
Example
Harvard University is one of the most prestigious universities in the world.
A2 adjective /ˈfɔːrməl/

formal

Meaning
done in accordance with rules of convention or etiquette; official or serious in nature
Example
He wore a formal suit to the wedding.
C1 noun /ˈɡoʊld.smɪθ/

Goldsmith

Meaning
a person who makes or repairs articles of gold
Example
The goldsmith crafted a beautiful wedding ring.
C1 adjective /spɑːrs/

sparse

Meaning
thinly scattered or distributed; not dense or abundant
Example
Vegetation was sparse in the desert.
C1 verb ˈɔːr.kɪ.streɪt

orchestrate

Meaning
To plan or coordinate the elements of (a situation) to produce a desired effect, especially surreptitiously.
Example
He skillfully orchestrated the entire event.
C2 noun /ˈæn.əlz/

annals

Meaning
Historical records of events, usually arranged chronologically.
Example
Her name will be remembered in the annals of science.
B2 noun /ˈɪn.flu.ən.sər/

Influencer

Meaning
A person with the ability to influence potential buyers of a product or service by promoting or recommending the items on social media.
Example
Social media influencers shape consumer preferences.
B1 verb /ɪnˈtend/

intend

Meaning
to plan or have in mind as a purpose; to mean
Example
I intend to finish this project by tomorrow.
C2 adjective /ˈsuːpaɪn/

supine

Meaning
Lying on the back, face upward; failing to act due to laziness or weakness.
Example
He lay supine on the grass, staring at the stars.
C1 noun /ˈpɜːrkəleɪtər/

percolator

Meaning
A device used for brewing coffee by continually cycling boiling water through coffee grounds.
Example
She made a fresh pot of coffee using the percolator.
B2 noun /ˈkænjən/

canyon

Meaning
A deep gorge, typically one with a river flowing through it.
Example
The Colorado River carved the Grand Canyon over millions of years.
C2 verb /ˈprɛsɪdʒ/

presage

Meaning
to be a sign or warning that something will happen; to foreshadow
Example
Dark clouds presage a storm.
B2 verb /ɪˈrɛkt/

erect

Meaning
to build or construct something; to set upright
Example
They erected a statue in the town square.
C2 noun /ˈneɪdɪər/

nadir

Meaning
The lowest point of a situation or condition.
Example
The company reached its nadir during the financial crisis.
C1 noun/adjective /ˈbæstərd/

bastard

Meaning
a child born to unmarried parents (offensive); also used informally as an insult or to describe something unpleasant
Example
He called him a bastard in anger.
C2 adjective /prəˈpɪʃəs/

propitious

Meaning
giving or indicating a good chance of success; favorable
Example
The sunny weather was a propitious start to the picnic.
B1 adverb /ˈðɛərˌfɔr/

Therefore

Meaning
for that reason; consequently
Example
It was raining, therefore we stayed inside.
B2 adverb /ˌnʌnðəˈlɛs/

nonetheless

Meaning
in spite of that; nevertheless
Example
It was raining, but nonetheless, they went hiking.
C2 verb /ɛkˈskɔːrieɪt/

excoriate

Meaning
To strongly criticize someone; to denounce severely.
Example
The critic excoriated the film for its poor script.
C1 noun /rəˈpɪdəti/

rapidity

Meaning
The quality of moving or happening quickly; swiftness or speed.
Example
The rapidity of technological change is astonishing.
A2 noun /hoʊl/

Hole

Meaning
a hollow place in a solid body or surface; an opening through something
Example
The dog dug a deep hole in the backyard to bury its favorite bone.
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.
B2 adjective prɪˈlɪm.ɪ.nər.i

preliminary

Meaning
Denoting an action or event preceding or done in preparation for something fuller or more important.
Example
Preliminary steps are crucial before the main project.
B2 verb /ɪɡˈzædʒəˌreɪt/

exaggerate

Meaning
to describe something as better, worse, or more important than it really is
Example
He tends to exaggerate his achievements.
A2 pronoun /ɪtˈsɛlf/

itself

Meaning
Used to emphasize the thing just mentioned; by its own power or effort.
Example
The cat cleaned itself after eating.
C1 adjective /ˈdʒɑː.rɪŋ/

jarring

Meaning
Striking or shocking in a way that creates a strong contrast or clash.
Example
The sudden loud noise was jarring to everyone in the room.
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 /ˈroʊziət/

roseate

Meaning
Having a pink color; optimistic or idealistic.
Example
She looked at the future with roseate optimism.
C1 noun /ˈrɒndɪvuː/

rendezvous

Meaning
a meeting or appointment at an agreed time and place
Example
They arranged a secret rendezvous at the café.
C2 verb /ˈtɪpəl/

tipple

Meaning
to drink alcohol, especially regularly or in small amounts
Example
He likes to tipple at the local pub after work.
A2 noun /lʌk/

Luck

Meaning
success or failure apparently brought by chance rather than through one's own actions
Example
She had good luck with her job interview.
A2 preposition /ɪnˈkluːdɪŋ/

including

Meaning
used to show that someone or something is part of a larger group
Example
Many people attended the event, including students and teachers.
C1 verb /dɪˈtrækt/

detract

Meaning
To reduce or take away the worth or value of something.
Example
His rude behavior will detract from his good reputation.
B1 adverb /ˈsel.dəm/

Seldom

Meaning
not often; rarely; infrequently
Example
She seldom goes to the cinema.
B1 adjective ˈkruː.ʃəl

crucial

Meaning
Decisive or critical, especially in the success or failure of something.
Example
Fault-tolerance is crucial for reliability.
C2 adjective /koʊˈiːvəl/

coeval

Meaning
Having the same age, date of origin, or duration; contemporary.
Example
The philosopher was coeval with the rise of modern science.
C1 adverb ɪkˌsperɪˈmentəli

experimentally

Meaning
In a way that is based on or derived from experiment and observation rather than theory.
Example
Bose demonstrated findings experimentally.
B2 noun /ˈɔɪ.stər/

Oyster

Meaning
a type of shellfish that can be eaten and sometimes contains pearls
Example
She ordered fresh oysters at the seafood restaurant.
C2 noun /ˈprɒsədi/

prosody

Meaning
The patterns of rhythm and sound used in poetry and speech.
Example
The professor explained how prosody affects the mood of a poem.
B1 adjective /pərˈtɪk.jʊ.lər/

particular

Meaning
specific or special; distinct from others
Example
He is very particular about his diet.
B1 adjective /ʌnˈpɒpjʊlə/

unpopular

Meaning
not liked or supported by many people
Example
The decision was unpopular with the public.
B2 noun ˈtreɪd.ɒf

trade-off

Meaning
A situation where accepting one advantage means giving up another benefit.
Example
There is always a trade-off between price and quality.
C1 verb /ˈkɪndəl/

kindle

Meaning
to light a fire; to arouse or inspire
Example
She kindled the campfire with dry wood.
C1 noun /ɪnˈdɪf.ər.əns/

Indifference

Meaning
lack of interest, concern, or sympathy; the state of not caring about something
Example
His indifference to his studies resulted in poor grades throughout the semester.
C1 noun /rɪˈflɛktər/

reflector

Meaning
A surface or device that reflects light, heat, or sound, often used to direct beams or improve visibility.
Example
The cyclist attached a red reflector to the back of his bike for safety.
B1 verb /ˈpʌnɪʃ/

punish

Meaning
to give a penalty for wrongdoing; to discipline
Example
The teacher will punish students who cheat.
C1 verb /ʌpˈruːt/

uproot

Meaning
To pull something out of the ground; to remove or displace completely.
Example
They uprooted the old tree from the garden.
B2 noun /ˈsɛmɪˌtɛri/

cemetery

Meaning
a place where dead people are buried
Example
The old cemetery is located at the edge of the village.
C2 adjective /ˌmælˈoʊdərəs/

malodorous

Meaning
Having a very unpleasant smell.
Example
The malodorous room made everyone leave quickly.
B2 adjective /ˈkwɔːrtərli/

Quarterly

Meaning
occurring every three months; relating to a quarter of a year
Example
The company publishes quarterly reports to shareholders.
A2 verb /rɪˈsiːv/

receive

Meaning
to get or accept something given; to welcome
Example
She receives a gift from her friend.
B2 noun daɪˈlem.ə

dilemma

Meaning
A situation in which a difficult choice has to be made between two or more alternatives.
Example
She faced a moral dilemma at work.
C2 noun/adjective /ɪˈmɒliənt/

emollient

Meaning
a substance that softens or soothes the skin
Example
She used an emollient cream to treat her dry skin.
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 /ˈnɛkrəˌmænsi/

necromancy

Meaning
the practice of communicating with the dead, often to predict the future
Example
Ancient texts described rituals of necromancy performed by priests.
C1 noun /ˌɪnsɪɡˈnɪfɪkəns/

insignificance

Meaning
The quality of being unimportant or trivial.
Example
He felt a sense of insignificance in the vast universe.
C1 noun /əˈtoʊnmənt/

atonement

Meaning
the act of making amends for a wrong, sin, or injury
Example
The festival was celebrated as a day of atonement.
C1 adjective /ˈʌpərˌmoʊst/

uppermost

Meaning
situated at the highest place or most important
Example
Her family's safety was uppermost in her mind during the crisis.
C1 noun /ˈpær.ə.saɪt/

Parasite

Meaning
an organism that lives on or in another organism and benefits at its expense; a person who depends on others
Example
The dog was treated for intestinal parasites.
B2 noun /ˈpleɪˌɔːf/

playoff

Meaning
a series of games played to determine a champion among top teams
Example
The team qualified for the playoffs after a strong season.
A2 adjective /diːp/

deep

Meaning
extending far down from the top or surface; profound or intense
Example
The lake is very deep in the middle.
C1 adjective /kənˈspɪkjuəs/

conspicuous

Meaning
Easily noticeable; attracting attention due to being unusual or prominent.
Example
Her red dress made her conspicuous at the party.
C1 noun /ˈvɪɡər/

vigor

Meaning
Physical strength, energy, or enthusiasm.
Example
She tackled the project with great vigor and determination.
B1 noun /ˈɔr.ə.ʒɪn/

Origin

Meaning
the point or place where something begins, arises, or is derived; the source
Example
Scientists are studying the origin of the universe.
C1 adjective /ˈviːnəs/

venous

Meaning
relating to the veins that carry blood to the heart
Example
The doctor examined the patient’s venous circulation.
C2 noun /ˌɪdiəˈsɪŋkrəsi/

idiosyncrasy

Meaning
A distinctive or peculiar characteristic, habit, or mannerism unique to an individual.
Example
One of her idiosyncrasies was humming while working.
B2 adjective /ˈfes.tɪv/

Festive

Meaning
joyful; celebratory; having the characteristics of a festival
Example
The house looked festive with colorful decorations.
A2 adjective /ˈjuːs.ləs/

Useless

Meaning
having no beneficial purpose; not useful
Example
This broken computer is completely useless.
B2 adjective /ˈprɒb.ə.bəl/

Probable

Meaning
likely to happen; expected; plausible
Example
It is probable that it will rain tomorrow according to the weather forecast.
C1 noun /əˈsɪdɪti/

acidity

Meaning
the quality or degree of being acidic; the amount of acid present in a substance
Example
The acidity of the soil affects how well crops grow.
C1 verb /ɪˈroʊd/

erode

Meaning
to gradually wear away or destroy by natural forces such as water, wind, or chemical action
Example
The coastline has begun to erode due to constant waves.
C2 noun /broʊɡ/

brogue

Meaning
A strong outdoor shoe; also a marked accent, especially Irish or Scottish.
Example
He bought a pair of stylish brogues for the wedding.
C2 noun /ˌmɛtəˈfɪzɪks/

metaphysics

Meaning
The branch of philosophy that deals with the fundamental nature of reality, existence, and the relationship between mind and matter.
Example
She studied metaphysics to understand the principles of existence beyond physical science.
C2 adjective /luːˈɡuːbriəs/

lugubrious

Meaning
looking or sounding sad and dismal
Example
His lugubrious expression made everyone feel uneasy.
C2 noun /ˈpɒlɪti/

polity

Meaning
an organized society or form of government
Example
The ancient Greek polity had a system of city-states.
C1 noun /vərˈnækjələr/

vernacular

Meaning
the language or dialect spoken by ordinary people in a particular region
Example
He gave his speech in the local vernacular so everyone could understand.
C2 noun /ˈoʊpiət/

opiate

Meaning
a drug containing opium or its derivatives, used to relieve pain or cause sleep
Example
The doctor prescribed an opiate to relieve the patient's pain.
C1 noun /ˈdeɪ.ə.ti/

deity

Meaning
a god or goddess
Example
The temple is dedicated to a Hindu deity.
B1 noun/verb /ˈkɒmplɪmənt/

compliment

Meaning
a polite expression of praise or admiration; to politely praise someone
Example
She complimented him on his excellent presentation.
B2 noun /ˈvel.vɪt/

Velvet

Meaning
a soft, luxurious fabric with a thick, short pile on one side
Example
The royal curtains were made of rich red velvet.
C1 adjective /dʒəˈnɛrɪk/

generic

Meaning
characteristic of or relating to a whole group or class; not specific
Example
This medicine is available in generic form.
C2 verb /ɪmˈbruː/

imbrue

Meaning
To stain, especially with blood.
Example
His hands were imbrued with blood after the battle.
C1 verb /ˌriː.ɪˈstæblɪʃ/

reestablish

Meaning
to set up or restore something again after it has been disrupted
Example
The government worked hard to reestablish peace in the region.
C2 noun /ˌdɪskənˈtɪnjʊəns/

discontinuance

Meaning
the act of stopping something, especially permanently
Example
The discontinuance of the service disappointed many customers.
C2 noun /ˌlɛdʒərdəˈmeɪn/

legerdemain

Meaning
skillful use of one's hands when performing tricks; deception or trickery
Example
The magician's legerdemain left the audience amazed.
B2 adjective /dʌm/

Dumb

Meaning
unable to speak; silent; lacking intelligence; stupid
Example
She remained dumb during the entire meeting.
A2 noun /wɜːrks/

works

Meaning
the physical or mental effort used to achieve something
Example
Her works have been exhibited in museums worldwide.
B1 noun /ˈtaɪmɪŋ/

timing

Meaning
the choice, judgment, or control of when something should be done
Example
Good timing is essential in business negotiations.