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C1 adjective /ˈɑp.ər.ə.tɪv/

Operative

Meaning
Functioning; in effect; working; active;
Example
The new safety protocols became operative immediately after the accident.
A1 noun /kloʊðz/

clothes

Meaning
garments worn on the body
Example
She bought new clothes for the party.
C1 verb /ʌnˈrævəl/

unravel

Meaning
To undo twisted or knitted threads; to solve or explain something complicated.
Example
The detective worked hard to unravel the mystery.
B2 verb ˈmɪnɪmaɪz

minimize

Meaning
Reduce (something, especially something unwanted or unpleasant) to the smallest possible amount or degree.
Example
Efforts should be made to minimize plastic usage.
C2 noun /dɜːrdʒ/

dirge

Meaning
A mournful song, piece of music, or poem expressing grief, often for the dead.
Example
The choir sang a solemn dirge at the funeral.
C2 noun /ˌlɛksɪˈkɒɡrəfi/

lexicography

Meaning
The art or practice of compiling dictionaries.
Example
Lexicography requires both linguistic and cultural knowledge.
C2 adjective /bɪˈsɒtɪd/

besotted

Meaning
strongly infatuated or obsessed with someone or something
Example
He was completely besotted with her charm.
B2 noun ˈɪnər strɛŋkθ

inner strength

Meaning
Mental or spiritual power that helps a person cope with difficulties.
Example
Community service fosters inner strength in individuals.
C1 noun ɪˌræʃ.ənˈæl.ɪ.ti

irrationality

Meaning
The quality of being illogical or unreasonable; lack of rational thought.
Example
His decision was driven by complete irrationality.
B2 adjective /ˈweɪ.kɪŋ/

Waking

Meaning
awake and conscious; relating to the time when one is awake
Example
She spent her waking hours studying for the exam.
C1 noun /ˈsɛtərə/

cetera

Meaning
Latin for 'the rest' or 'others'; commonly used in the phrase 'et cetera' meaning 'and so on'.
Example
We need to buy pens, paper, notebooks, et cetera.
C1 verb /kɜːrˈteɪl/

curtail

Meaning
to reduce or limit something, especially something considered undesirable
Example
The company had to curtail its spending due to budget cuts.
B2 verb /stɑːv/

starve

Meaning
to suffer or die from lack of food
Example
He was left to starve in the desert.
C2 adjective /ˈmɛdəlsəm/

meddlesome

Meaning
fond of interfering in other people’s affairs
Example
She found her neighbor to be meddlesome and annoying.
C1 noun /kəˈmɪtl̩/

committal

Meaning
The action of sending a person to prison or a mental hospital; also the act of committing something to a particular place.
Example
The judge ordered the committal of the accused to custody.
B2 adverb /ˈtʃiːfli/

chiefly

Meaning
mainly; primarily
Example
The festival is celebrated chiefly by young people.
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.
C2 adjective /ˈoʊ.vɔɪd/

ovoid

Meaning
egg-shaped; resembling an oval or ellipse
Example
The artist painted an ovoid shape in the center of the canvas.
A1 noun /ˌæftərˈnuːn/

afternoon

Meaning
The part of the day between noon and evening.
Example
We met in the afternoon for coffee.
C1 adjective /ˈpraɪ.məl/

primal

Meaning
Relating to the earliest stage of development; essential or fundamental.
Example
Fear is one of the most primal emotions humans experience.
C2 noun /ˈætəmaɪzər/

atomizer

Meaning
A device that sprays liquid into a fine mist.
Example
She used an atomizer to apply the perfume evenly.
A2 adjective /ˈjuːʒəl/

usual

Meaning
habitually or typically occurring or done
Example
It’s our usual meeting spot.
C2 adjective /bɪˈhoʊldən/

beholden

Meaning
indebted or obliged to someone for a service or help
Example
He felt beholden to his mentor for all the guidance.
C1 noun /ˌluː.mɪˈnɒs.ɪ.ti/

luminosity

Meaning
The intrinsic brightness of a celestial object; the quality of emitting light.
Example
The luminosity of the star was measured with advanced instruments.
A2 noun /ʃeɪp/

Shape

Meaning
the external form or appearance of something; condition or state
Example
The artist drew a perfect circle shape on the canvas.
B1 adjective ɪˈstæb.lɪʃt

established

Meaning
Having been in existence for a long time and therefore recognized and generally accepted; set up on a firm or permanent basis.
Example
Democracy was established under strong leadership.
C2 adjective/noun /ˌhaɪərəˈɡlɪfɪk/

hieroglyphic

Meaning
Relating to or written in hieroglyphs; symbols or writing that is difficult to understand.
Example
The archaeologists studied the hieroglyphic inscriptions carefully.
B1 noun /ˈflaʊər veɪs/

Flower-vase

Meaning
a decorative container used to hold cut flowers
Example
She placed beautiful roses in the flower vase on the table.
B2 noun /ˈbev.ər.ɪdʒ/

Beverage

Meaning
a drink, especially one other than water
Example
Would you like a hot or cold beverage with your meal?
C1 verb /ˈɡloʊbəlaɪz/

globalize

Meaning
to make something worldwide in scope or application; to integrate into a global system
Example
Many companies globalize their operations to reach international markets.
C1 noun ˈɛf.lu.ənt

effluent

Meaning
Liquid waste or sewage discharged into a river or the sea.
Example
Factory effluent contaminates nearby rivers and lakes.
B1 adverb /ˈpɜr.sən.ə.li/

Personally

Meaning
as a person; in one's own opinion; for oneself; in person
Example
Personally, I think the movie was excellent, though others disagree.
A1 verb /tɔːk/

talk

Meaning
to speak; to communicate by speaking; to discuss
Example
Let's talk about your future plans.
B2 noun ˈwɜːrkˌləʊd

workload

Meaning
The amount of work to be done by someone or something.
Example
His workload has increased dramatically in the past month.
B2 noun /ˈbʌf.ə.loʊ/

Buffalo

Meaning
a large wild ox with heavy horns; American bison
Example
The buffalo grazed peacefully in the meadow.
C2 verb /kənˈdʒɔɪn/

conjoin

Meaning
to join together or unite; to combine
Example
The two rivers conjoin just before reaching the sea.
C1 noun /ˌɪməˈtjʊərəti/

immaturity

Meaning
the state of not being fully developed emotionally, mentally, or physically; lack of maturity
Example
His immaturity made it difficult for him to handle responsibility.
C2 adjective /ˌbiːəˈtɪfɪk/

beatific

Meaning
blissfully happy or showing great joy
Example
She had a beatific smile after hearing the good news.
B2 noun /pɔːrtʃ/

porch

Meaning
a covered area at the entrance of a building, often with a roof and open sides
Example
We sat on the porch and enjoyed the evening breeze.
B2 adverb /ˈpʌŋk.tʃu.əl.i/

Punctually

Meaning
at the exact time arranged; on time; not late
Example
She always arrives punctually for meetings.
A2 phrasal verb /pɪk ʌp/

pick up

Meaning
to lift something; to collect or receive someone or something; to learn or acquire gradually; to improve or increase
Example
She picked up the book from the floor.
C2 adjective /ˈdjuːtiəs/

duteous

Meaning
dutiful; obedient and respectful
Example
The duteous child always followed her parents’ instructions.
C2 noun /ˈkwɒdrʊpɛd/

quadruped

Meaning
an animal that walks on four feet
Example
Most mammals are quadruped creatures adapted for running and stability.
B2 verb prəˈlɔŋd

prolonged

Meaning
Extended in duration; made to last longer than usual.
Example
Modern medicine has prolonged life expectancy.
C2 noun /ɪmˈbroʊlioʊ/

imbroglio

Meaning
An extremely confused, complicated, or embarrassing situation.
Example
The political imbroglio lasted for months without resolution.
B2 verb, noun /ɪkˈsplɔɪt/

exploit

Meaning
to make full use of and derive benefit from (a resource); to use someone unfairly for one’s own advantage
Example
The company was accused of exploiting child labor.
C1 adjective /ˈrɔːkəs/

raucous

Meaning
loud, harsh, and unpleasant sound or behavior
Example
The crowd became raucous after the team scored.
B1 noun /rɪst/

Wrist

Meaning
the joint connecting the hand with the forearm
Example
He wore a watch on his wrist.
B2 adjective ˈstrʌktʃərəl

structural

Meaning
Relating to or forming part of a structure.
Example
The structural integrity of the bridge was tested after the storm.
C2 noun /ˈdɒkɪt/

docket

Meaning
a list or schedule of cases to be tried in a court or items to be done
Example
The judge reviewed the docket before starting the session.
C2 adjective /ˌɪnɪkˈsprɛsəbl/

inexpressible

Meaning
Too strong or extreme to be expressed in words.
Example
She felt inexpressible joy at the news of her success.
A2 adjective /ˈaʊtdɔːr/

outdoor

Meaning
situated, existing, or done outside a building
Example
We planned an outdoor picnic for the weekend.
C1 adjective /ˈspraɪtli/

sprightly

Meaning
full of energy and life; lively
Example
The sprightly old man danced with joy at the wedding.
C1 adjective /ɪnˈedəbəl/

Inedible

Meaning
not suitable or safe for eating; not edible
Example
The mushrooms were poisonous and completely inedible.
C1 adjective /dɪˈspɪrɪtɪd/

dispirited

Meaning
Having lost enthusiasm, hope, or confidence; dejected.
Example
After losing the match, the team looked dispirited.
C2 noun /ˌbɒmbərˈdɪər/

bombardier

Meaning
a member of a bomber crew responsible for releasing bombs
Example
The bombardier released the bombs with precision.
C1 adjective /ˈen.vi.əs/

Envious

Meaning
feeling or showing envy; jealous
Example
She felt envious of her friend's new car.
B2 noun /ˌsɪmjuˈleɪʃən/

simulation

Meaning
the imitation of a situation or process
Example
The simulation helped the students understand the complex theory.
C1 verb /priːˈɒkjʊpaɪ/

preoccupy

Meaning
To dominate or engross the mind of someone to the exclusion of other thoughts.
Example
Worries about the future preoccupy him constantly.
C2 noun /ˈɪnroʊd/

inroad

Meaning
An advance or significant progress, often at the expense of something else.
Example
The company made significant inroads into the mobile market.
B1 adjective, adverb /ˈoʊvərɔːl/

overall

Meaning
in general or as a whole
Example
Overall, the project has been successful.
C1 noun /ˈdʒɛpərdi/

jeopardy

Meaning
Danger of loss, harm, or failure.
Example
His careless driving put everyone in jeopardy.
C1 adjective /stɔːntʃ/

staunch

Meaning
Loyal, committed, and firm in support.
Example
She is a staunch supporter of environmental protection.
C1 noun /ˈsæl.mən fɪʃ / ˈroʊ.huː/

Salmon fish / Rohu

Meaning
a freshwater fish popular in South Asian cuisine; also refers to salmon which is a different species
Example
Rohu fish is commonly prepared with spices in Bengali households.
B2 noun /vəˈlɪd.ɪ.ti/

Validity

Meaning
the quality of being legally or officially acceptable; the quality of being logically or factually sound
Example
The validity of the contract expires next month.
C2 noun /ˈmʌstərd ɔɪl/

Mustard Oil

Meaning
oil extracted from mustard seeds, commonly used for cooking and medicinal purposes
Example
We use mustard oil for cooking vegetables in our kitchen.
C1 noun /ˌsʌpəˈzɪʃən/

supposition

Meaning
An assumption or belief that something is true without certain proof.
Example
His plan was based on the supposition that the market would recover quickly.
C1 noun prəˈpɛn.sə.ti

propensity

Meaning
An inclination or natural tendency to behave in a particular way.
Example
He has a propensity for taking risks in business.
B2 adjective ˌiːvəˈluːʃənəri

evolutionary

Meaning
Relating to or denoting the gradual development of something, especially from a simple to a more complex form.
Example
The evolutionary changes in species are fascinating.
B2 noun /mɪnt/

Mint

Meaning
An aromatic plant used for flavoring; also a place where money is manufactured
Example
She added fresh mint leaves to the tea for a refreshing taste.
C2 adjective /fəˈloʊniəs/

felonious

Meaning
relating to or involved in serious criminal activity
Example
He was charged with felonious assault after the incident.
C1 adjective /ˌɪnədˈmɪsəbl̩/

inadmissible

Meaning
Not allowed, especially as evidence in a court of law.
Example
The judge ruled the evidence inadmissible.
B1 adjective hɪˈstɔːrɪk

historic

Meaning
Famous or significant in history, or potentially so.
Example
Victory Day is a historic moment for Bangladesh.
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 ˌæɡ.roʊˈiː.koʊˌsɪs.təm

agroecosystem

Meaning
An ecological system centered on agricultural activities and processes.
Example
A healthy agroecosystem improves soil fertility.
B2 adjective ɪˈmɜː.sɪv

immersive

Meaning
Providing, involving, or characterized by deep absorption or immersion in something.
Example
Virtual reality creates an immersive learning environment.
C2 noun /ˈreɪdɪks/

radix

Meaning
the base or root of something; the number on which a system of numeration is built
Example
In mathematics, the decimal system has a radix of ten.
A2 adjective /ˈpriː.vi.əs/

Previous

Meaning
occurring before in time or order; earlier; former
Example
I reviewed the previous chapter before starting the new one.
A1 verb /bɪˈkʌm/

become

Meaning
to grow to be; to come to be
Example
She became a doctor after years of study.
B1 adverb /ˈɔːfəli/

awfully

Meaning
in a very great degree; extremely; in a way that is very bad or unpleasant
Example
I am awfully glad to see you again.
C2 verb /dɪˈlæpɪdeɪt/

dilapidate

Meaning
To cause something, especially a building, to fall into ruin or disrepair.
Example
The abandoned house began to dilapidate over the years.
C2 noun /ˈslʌɡərd/

sluggard

Meaning
A lazy, sluggish person.
Example
The sluggard refused to get out of bed even at noon.
A2 adjective /ˈsəʊʃəl/

social

Meaning
relating to society or its organization
Example
She has a very social personality and enjoys meeting new people.
B2 adjective /kəmˈpɛlɪŋ/

compelling

Meaning
Evoking interest, attention, or admiration in a powerful way.
Example
She gave a compelling speech about climate change.
C2 adjective /ˌɪndaɪˈdʒestəbəl/

Indigestible

Meaning
difficult or impossible to digest; hard to process in the stomach
Example
The old bread became hard and indigestible.
C1 adjective /ˈseɪ.vər.i/

savory

Meaning
Having a pleasant salty or spicy taste; morally acceptable.
Example
The restaurant serves a variety of savory dishes.
C2 noun /dɪˌlɪniˈeɪʃən/

delineation

Meaning
the precise description, drawing, or outlining of something
Example
The artist’s delineation of the landscape was remarkably accurate.
A2 noun /ɪˈkɒn.ə.mi/

economy

Meaning
The wealth and resources of a country or region.
Example
A stable economy is essential for national growth.
C2 noun /ˈproʊtoʊˌplæzəm/

protoplasm

Meaning
The living substance inside a cell, including the cytoplasm and nucleus.
Example
Scientists observed the movement of protoplasm under the microscope.
C2 noun /ˌækwəˈpɒnɪks/

aquaponics

Meaning
A system of aquaculture in which the waste produced by farmed fish or other aquatic animals supplies nutrients for plants grown hydroponically.
Example
Aquaponics efficiently utilizes water by integrating fish and plant farming.
C1 noun /ˈdrʌdʒəri/

drudgery

Meaning
Hard, menial, or dull work.
Example
She wanted to escape the drudgery of her daily routine.
A2 adjective /ˈemp.ti/

Empty

Meaning
containing nothing; vacant; without contents
Example
The glass is empty and needs to be refilled.
A2 verb /rɪˈmeɪn/

remain

Meaning
to stay in the same place; to continue to exist
Example
Only a few guests remain at the party.
C1 noun /dɪˌpriː.ʃiˈeɪ.ʃən/

depreciation

Meaning
A reduction in the value of an asset with the passage of time, due to wear and tear.
Example
The car's depreciation rate is high after five years.
C2 verb /ɪnˈkæmp/

encamp

Meaning
to set up or establish a camp
Example
The soldiers encamped near the river for the night.
B2 adjective/noun /ɪˈrɑːki/

iraqi

Meaning
relating to Iraq or its people
Example
The Iraqi culture is rich and diverse.
C1 noun ˌprɒf.ɪ.təˈbɪl.ɪ.ti

profitability

Meaning
The degree to which a business or activity yields profit or financial gain.
Example
Increasing sales and reducing costs boosted profitability.
B1 adverb /ɪnˈkrɛdɪbli/

incredibly

Meaning
to a great degree; extremely or unbelievably
Example
The view from the top of the mountain was incredibly beautiful.
C1 verb ɪmˈbjuː

Imbue

Meaning
Mixing some idea or feeling deeply into someone's mind
Example
The teacher tried to imbue students with a love for learning.
C2 noun /ˈsɪlvər kɑrp/

Silver carp

Meaning
a large freshwater fish with silvery scales, commonly farmed for food
Example
Silver carp is widely cultivated in fish farms across Asia.
C1 adjective /dɪˈʃɛvəld/

disheveled

Meaning
Untidy, messy, or in disorder, especially of hair or clothing.
Example
He arrived with disheveled hair and wrinkled clothes.
C1 adjective /ɪˈrɛvərənt/

irreverent

Meaning
showing a lack of respect for people or things that are usually respected
Example
The comedian’s irreverent jokes offended some of the audience.
C2 noun /ˈvɛrɪti/

verity

Meaning
a true principle or belief; the state of being true
Example
The verity of his statement was confirmed by evidence.
B1 noun ˈmeʒ.ərz

measures

Meaning
A plan or course of action taken to achieve a particular purpose.
Example
Mitigation measures focus on reducing emissions.
C2 noun /ˌrɛv.əˈkeɪ.ʃən/

revocation

Meaning
The act of officially canceling or withdrawing something.
Example
The court ordered the revocation of his license.
C2 noun /ˈfɜːrlɔːŋ/

furlong

Meaning
a unit of distance equal to 220 yards or about 201 meters
Example
The horse ran a furlong before slowing down.
C1 noun /ˌdɛməˈlɪʃən/

demolition

Meaning
the act or process of destroying a building or structure
Example
The demolition of the old factory took several weeks.
C2 adjective /ˌækrəˈmætɪk/

achromatic

Meaning
without color; free from color
Example
The designer chose an achromatic palette of black, white, and gray.
B2 verb /səˈluːt/

salute

Meaning
to greet with respect; to honor
Example
The soldiers saluted their commanding officer.
C1 adverb /ˌʌnkənˈvɛnʃənəli/

unconventionally

Meaning
in a way that is not based on or conforming to accepted standards or norms
Example
She dresses unconventionally, mixing bold colors and patterns that surprise everyone.
C1 adjective ʌnˈjiːl.dɪŋ

unyielding

Meaning
Not easily broken or giving in to pressure.
Example
Her unyielding determination helped her overcome all challenges.
C2 adjective /ˌdeɪ.kɒlˈteɪ/

decollete

Meaning
of a woman's dress or top, cut low so as to reveal the neck and upper chest
Example
She wore a decollete gown to the party.
B2 adjective /prəˈvɪʒənəl/

Provisional

Meaning
arranged for the present; temporary; subject to later confirmation
Example
The provisional agreement will be reviewed next month.
B2 noun/verb /eɪp/

ape

Meaning
a large primate similar to a monkey but without a tail; as a verb, to imitate or mimic
Example
Children often ape the behavior of adults.
C1 adjective ˌsəʊsɪəʊpəˈlɪtɪkəl

sociopolitical

Meaning
Combining social and political factors.
Example
Sociopolitical factors often influence public policy decisions.
B2 verb /skreɪp/

scrape

Meaning
to remove or damage the surface of something by rubbing or scratching; to collect something by effort
Example
He scraped his knee while playing football.
B1 noun /ˈlæbrətɔːri/

laboratory

Meaning
A room or building equipped for scientific experiments, research, or teaching.
Example
The students conducted the experiment in the chemistry laboratory.
C1 verb /ɪnˈtrɛntʃ/

entrench

Meaning
To establish something so firmly that it is difficult to change.
Example
The company entrenched its position in the market through innovation.
C2 noun /ˈdɛsɪkənt/

desiccant

Meaning
a substance that absorbs moisture and keeps things dry
Example
Silica gel packets are commonly used as a desiccant in packaging.
C1 noun /ˌplɔː.zəˈbɪl.ə.ti/

plausibility

Meaning
The quality of being reasonable or probable.
Example
The plausibility of his explanation convinced the jury.
C1 verb /ˈwɒb.l̩/

wobble

Meaning
to move unsteadily from side to side; to shake or tremble slightly
Example
The table began to wobble when he leaned on it.