unpredictability
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C1 noun /ˌʌnprɪˈdɪktəˌbɪləti/

unpredictability

Meaning
The quality of being impossible to predict or anticipate.
Example
The unpredictability of the weather made the trip uncertain.
C1 verb /rɪˈbʌt/

rebut

Meaning
to argue against or prove wrong; to refute
Example
The lawyer rebutted the false accusations with strong evidence.
B2 noun /swɪŋ/

Swing

Meaning
move or cause to move back and forth or from side to side while suspended or on an axis
Example
The children love to swing in the park.
A2 noun /ɡəʊlz/

goals

Meaning
Objectives or targets that someone aims to achieve.
Example
Achieving development goals requires cooperation.
C1 adjective ˈsɒvrɪn

sovereign

Meaning
Possessing supreme or ultimate power; independent.
Example
The sovereign government has control over its currency.
A2 noun /ˈɡɑːr.dən.ər/

Gardener

Meaning
a person who tends and cultivates a garden
Example
The gardener planted beautiful flowers in the backyard.
C1 verb /dɪsˈoʊn/

disown

Meaning
to refuse to acknowledge or accept responsibility for someone or something
Example
He decided to disown his reckless brother.
C2 noun /riːm/

ream

Meaning
A large quantity of paper (typically 500 sheets); informally, a large amount of something.
Example
The office ordered ten reams of paper.
C1 noun/verb /rɪˈpriːz/

reprise

Meaning
A repetition or return to an earlier theme, role, or action.
Example
The actor reprised his role in the sequel.
C2 adjective /kənˌtɛmpəˈreɪniəs/

contemporaneous

Meaning
existing, happening, or occurring at the same time
Example
The two artists were contemporaneous and often influenced each other.
C2 adjective /ˌɪnæprɪˈhɛnsəbl/

inapprehensible

Meaning
not understandable; incomprehensible
Example
The concept was so abstract that it seemed inapprehensible to most students.
B2 noun /kəʊˌɔːdɪˈneɪʃən/

coordination

Meaning
the process of organizing different elements to work together effectively
Example
The coordination between the teams was flawless.
C1 noun/verb /kwɪp/

quip

Meaning
A witty remark; to make a witty or clever comment.
Example
She quipped about the weather during the meeting.
A2 verb /hæŋ/

hang

Meaning
to suspend or be suspended from above; to attach from a higher point
Example
I hang my coat on the hook.
C1 adjective /ˈwɪlfəl/

willful

Meaning
Deliberate, intentional, or stubbornly determined to do as one wants.
Example
Her willful disregard for the rules got her into trouble.
C1 adjective /ʌnˈsoʊld/

unsold

Meaning
not sold; remaining without a buyer
Example
The unsold goods were returned to the warehouse.
B2 noun /ˌdʒʌstɪfɪˈkeɪʃən/

justification

Meaning
a reason, explanation, or excuse that shows something is right or reasonable
Example
There is no justification for such rude behavior.
C2 noun /ˈɡraɪndstoʊn/

grindstone

Meaning
a thick disc of stone used for grinding, sharpening, or polishing tools
Example
The blacksmith sharpened his blade on the grindstone.
B2 adjective /dɪˈzæs.trəs/

Disastrous

Meaning
extremely bad or unsuccessful; causing great damage
Example
The hurricane had disastrous effects on the city.
A2 adjective /skaɪ bluː/

Sky-blue

Meaning
a bright blue color like that of a clear sky
Example
Her sky-blue eyes sparkled in the sunlight.
C1 noun əˌsɪm.ɪˈleɪ.ʃən

Assimilation

Meaning
Connecting new information with existing knowledge
Example
Proper assimilation of knowledge leads to effective learning.
B2 adjective /ˈpæʃənət/

passionate

Meaning
showing or caused by strong feelings or a strong belief
Example
He is passionate about environmental conservation.
C1 verb /rɪˈvoʊk/

revoke

Meaning
To officially cancel or withdraw a decision, privilege, or right.
Example
The government decided to revoke his passport.
B2 noun /ˈvɜː.tʃuː/

Virtue

Meaning
behavior showing high moral standards; a good or useful quality of a thing
Example
Honesty is considered the highest virtue in many cultures.
C2 verb /ˌɪmpɔːrˈtuːnd/

importuned

Meaning
asked someone persistently and pressingly for something
Example
She importuned her boss for a raise until he finally gave in.
C2 verb /ˈkælvɪnaɪz/

calvinize

Meaning
to imbue with the principles or doctrines of Calvinism
Example
The preacher sought to calvinize the community with strict teachings.
B1 noun /ˈbaɪər/

buyer

Meaning
a person who makes a purchase
Example
The buyer inspected the car before making payment.
B2 adjective /ˌhɒrɪˈzɒntəl/

horizontal

Meaning
parallel to the horizon; flat and level from side to side
Example
The table must be perfectly horizontal to keep the glass from sliding.
C1 verb /wɑːft/

waft

Meaning
to move gently through the air, carried by a breeze
Example
The smell of fresh bread wafted through the kitchen.
B1 noun /ˈkɒkˌteɪl/

cocktail

Meaning
a mixed drink typically containing alcohol and other ingredients.
Example
She ordered a cocktail at the bar.
C1 noun /diːˌtɒksɪfɪˈkeɪʃən/

detoxification

Meaning
The process of removing toxic substances from a living organism.
Example
Detoxification helps to cleanse the body of harmful substances.
C1 phrase ˌbaɪ.oʊ.daɪˈvɜː.sɪ.ti ˌprez.əˈveɪ.ʃən

biodiversity preservation

Meaning
The protection and conservation of the variety of life in all its forms, including different species, genetic diversity, and ecosystems.
Example
Biodiversity preservation is critical for ecological balance.
C1 verb /ˌoʊvərˈʃædoʊ/

overshadow

Meaning
to appear more important or significant than something else, reducing its impact
Example
The scandal overshadowed his achievements.
C1 verb /ˈræŋɡl̩/

wrangle

Meaning
to argue or dispute noisily or angrily
Example
The two neighbors wrangled over the property line for hours.
B2 adjective /ˈniː.di/

Needy

Meaning
requiring help or support; poor; lacking basic necessities
Example
The charity helps needy families during the winter.
B2 noun /slɛdʒ/

sledge

Meaning
a vehicle for traveling over snow, often pulled by animals
Example
The children rode a sledge down the snowy hill.
C1 noun /ˈpæn.θi.ən/

pantheon

Meaning
All the gods of a religion collectively; a building dedicated to all gods.
Example
The Roman Pantheon is one of the best-preserved ancient temples.
B2 noun /ˈklaɪ.mæks/

Climax

Meaning
the most intense, exciting, or important point of something; the highest or most intense point in a process
Example
The movie reached its climax during the final battle scene.
B2 adjective /ˈvɪɡ.ər.əs/

vigorous

Meaning
Characterized by high energy and vitality.
Example
Regular exercise keeps the body vigorous and healthy.
B1 adjective /ˈhoʊpfəl/

Hopeful

Meaning
feeling or inspiring optimism about a future event; confident; optimistic
Example
He remained hopeful despite the challenges.
C2 noun /ˌhoʊ.mi.oʊˈsteɪ.sɪs/

homeostasis

Meaning
The tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.
Example
The human body maintains homeostasis through temperature regulation.
C2 noun /dɪˌlɪniˈeɪʃən/

delineation

Meaning
the precise description, drawing, or outlining of something
Example
The artist’s delineation of the landscape was remarkably accurate.
C2 noun /noʊl/

Knoll

Meaning
a small rounded hill or mound
Example
The old oak tree stood majestically on top of the grassy knoll.
C1 noun /ˈfɛərˌɡraʊndz/

fairgrounds

Meaning
A designated area where fairs, exhibitions, and amusement events are held
Example
The town set up rides and stalls at the fairgrounds for the annual festival.
B1 adjective /kənˈtɪn.ju.əs/

continuous

Meaning
forming an unbroken whole; without interruption
Example
The factory operates on a continuous 24-hour schedule.
B2 noun steɪks

stakes

Meaning
A strong wooden or metal post with a point at one end, driven into the ground.
Example
The stakes were high for the success of the project.
C1 verb /rɪˈzaʊnd/

resound

Meaning
To fill a place with sound; to be celebrated or talked about widely.
Example
The hall resounded with applause.
C2 verb /ɪˈmæskjʊleɪt/

emasculate

Meaning
To make someone weaker or less effective; to deprive of strength or vigor.
Example
The constant criticism emasculated his confidence.
B1 verb rɪˈdjuːst

reduced

Meaning
Make smaller or less in amount, degree, or size.
Example
Singapore has reduced plastic usage significantly.
C2 adjective /ˈdʒen.ɪ.tɪv/

genitive

Meaning
relating to or denoting a case of nouns and pronouns indicating possession
Example
In English, the genitive case is often shown with an apostrophe and 's'.
C1 verb /dɪsˈpruːv/

disprove

Meaning
to show that something is false or wrong
Example
The scientist worked hard to disprove the old theory.
B2 verb /ˌpɜːrsəˈvɪr/

persevere

Meaning
to continue trying to achieve something despite difficulty or delay
Example
He persevered through many failures before succeeding.
C1 noun /tɒŋ/

tong

Meaning
a tool with two movable arms used to pick up and hold objects
Example
He used the tong to pick up the hot coal.
C1 verb /ˈtɒpl/

topple

Meaning
to fall or cause to fall over; to overthrow
Example
The earthquake caused the old building to topple.
C1 adjective /ˈkjuːmjələtɪv/

cumulative

Meaning
Increasing gradually by addition; growing in quantity, force, or effect.
Example
The cumulative effect of stress can harm your health.
C2 noun /ˌeɪd də ˈkæmp/

aide-de-camp

Meaning
A military officer acting as a confidential assistant to a senior officer.
Example
The general was accompanied by his aide-de-camp during the ceremony.
B2 verb /ˌʌndərˈteɪk/

undertake

Meaning
to commit to and begin a task or project; to take on responsibility
Example
She decided to undertake a challenging project.
B2 verb /ˈtɛrəˌfaɪ/

terrify

Meaning
To cause someone to feel extreme fear.
Example
The loud thunder terrified the children.
A2 noun /ˈwɔː.tər.mel.ən/

Watermelon

Meaning
a large round fruit with a hard green skin and sweet red flesh with black seeds
Example
I bought a fresh watermelon from the market for the summer picnic.
A1 verb /faɪnd/

find

Meaning
to discover or locate something that was lost or hidden
Example
I can't find my keys anywhere.
A1 adjective/verb/adverb /friː/

free

Meaning
Not under the control or in the power of another; able to act or be done as one wishes.
Example
The children are free to play outside.
B2 verb /ɪkˈspoʊz/

expose

Meaning
to reveal or uncover; to make visible or known
Example
The investigation exposed the truth about the scandal.
B2 verb /stɑːv/

starve

Meaning
to suffer or die from lack of food
Example
He was left to starve in the desert.
B1 adjective /ˈkriːmi/

creamy

Meaning
having a smooth, rich texture like cream
Example
She poured a creamy sauce over the pasta.
C2 verb /ˈbɜːrdʒən/

burgeon

Meaning
To grow or develop rapidly; to flourish.
Example
The city's population began to burgeon after the new factory opened.
C2 verb /ˈɡʌzəl/

guzzle

Meaning
to drink greedily or excessively
Example
He guzzled three cans of soda in a few minutes.
A2 adjective /əˈmeɪzɪŋ/

amazing

Meaning
causing great surprise or wonder; astonishing
Example
The magician performed an amazing trick.
C1 adjective /ˈɑp.ər.ə.tɪv/

Operative

Meaning
Functioning; in effect; working; active;
Example
The new safety protocols became operative immediately after the accident.
C2 adjective /ˈvɪndɪkətɔːri/

vindicatory

Meaning
Serving to justify, clear of blame, or defend.
Example
His vindicatory remarks restored his reputation.
C2 noun /ˈsækrɪsti/

sacristy

Meaning
a room in a church where sacred vessels and vestments are kept
Example
The priest entered the sacristy before the mass began.
B2 noun /ˈpen.ʃən/

Pension

Meaning
a regular payment made to someone who is no longer working because of age or disability
Example
After retirement, he receives a monthly pension from the company.
C1 adjective /daɪˈvɜːrsɪfaɪd/

diversified

Meaning
Made or having variety in form, nature, or content.
Example
The company adopted a diversified business strategy to reduce risks.
C2 noun /ɡæsˈtraɪtɪs/

gastritis

Meaning
Inflammation of the lining of the stomach.
Example
The doctor diagnosed him with gastritis after his endoscopy.
B2 adjective kəˈləʊ.ni.əl

colonial

Meaning
Relating to or characteristic of a colony or colonialism, especially involving the control of one country by another.
Example
Colonial rule suppressed local governance.
C2 noun /ˈsɛntɔːr/

centaur

Meaning
A mythological creature with the upper body of a human and the lower body of a horse.
Example
The centaur is a well-known figure in Greek mythology.
B2 noun, verb /ˈævəlæntʃ/

avalanche

Meaning
(noun) a mass of snow, ice, and rocks falling rapidly down a mountainside; a sudden overwhelming quantity; (verb) to descend like an avalanche
Example
The avalanche buried the mountain road under tons of snow.
B1 noun/adjective /ˈɪnstənt/

instant

Meaning
A very short period of time; happening immediately.
Example
He replied in an instant without hesitation.
C1 adjective /ˈvendʒ.fəl/

Vengeful

Meaning
seeking to harm someone in return for a perceived injury; vindictive
Example
She felt vengeful after her friend betrayed her trust.
C1 verb /səbˈvɜːrt/

subvert

Meaning
to undermine or overthrow an established system, authority, or institution
Example
The rebels tried to subvert the government.
A1 interjection /waʊ/

wow

Meaning
used to express great surprise, admiration, or pleasure
Example
Wow, that performance was amazing!
B2 noun /ˈsætaɪər/

satire

Meaning
The use of humor, irony, or exaggeration to criticize people's stupidity or vices.
Example
The play was a brilliant satire on modern politics.
A2 noun /ˈbɪljən/

billion

Meaning
the number 1,000,000,000 (one thousand million)
Example
The company is worth more than a billion dollars.
C1 adjective /ˈskrʌfi/

Scruffy

Meaning
untidy or unkempt in appearance; shabby and worn
Example
The scruffy old dog wandered through the streets looking for food.
C1 noun /wɪm/

whim

Meaning
a sudden or unpredictable idea, desire, or decision
Example
She bought the dress on a whim.
C1 adjective, verb (past tense/participle of mire) /ˈmaɪərd/

mired

Meaning
Trapped or entangled in something, typically a difficult situation.
Example
The politician was mired in scandal.
A2 noun, verb /kɔɪn/

coin

Meaning
A flat piece of metal used as money; as a verb, to invent a new word or phrase.
Example
The government decided to coin a new term for the program.
C1 adjective /ˌsækrəˈlɪdʒəs/

sacrilegious

Meaning
Showing disrespect or irreverence toward something sacred.
Example
The painting was criticized as being sacrilegious.
A2 adverb /ɪnˈdiːd/

indeed

Meaning
used to emphasize or confirm a statement
Example
It was a long journey indeed.
C2 noun /sɒl/

sol

Meaning
The fifth note of the sol-fa musical scale (do, re, mi, fa, sol, la, ti); also the Latin word for sun
Example
The choir practiced singing the note sol during rehearsal.
A2 adjective /ˈpraɪ.vət/

Private

Meaning
personal; confidential; not public; individual
Example
This is a private conversation between two friends.
C1 noun /pəˈrɛnθəsɪs/

parenthesis

Meaning
A pair of curved marks ( ) used to enclose words or numbers; also an interruption or digression in speech or writing.
Example
The explanation was given in a parenthesis within the text.
C1 noun /ˈmɜːrdʒər/

merger

Meaning
The combination of two or more companies into a single entity.
Example
The merger of the two firms created the largest bank in the region.
C1 adjective /ˈprɒdɪɡəl/

prodigal

Meaning
spending money or resources freely and recklessly; wastefully extravagant
Example
The prodigal son returned home after wasting his inheritance.
C1 adjective /ˈspɛktrəl/

spectral

Meaning
Relating to a ghost or specter; ghostly. Also relating to a spectrum.
Example
The old mansion had a spectral atmosphere at night.
A2 verb /əˈvɔɪd/

avoid

Meaning
To keep away from or stop oneself from doing something.
Example
He tries to avoid junk food.
B2 noun ˈkrɪt.ɪ.kəl ˈθɪŋ.kɪŋ

critical thinking

Meaning
The objective analysis and evaluation of an issue in order to form a judgment.
Example
Critical thinking helps in making informed decisions.
A2 verb /pʊʃ/

push

Meaning
to exert force to move something away from oneself; to press against
Example
Push the button to ring the bell.
C2 noun /traɪˈʌmvɪrət/

triumvirate

Meaning
A political regime ruled or dominated by three powerful individuals.
Example
The Roman Republic was once governed by a triumvirate.
B2 noun /ˈmes.ɪn.dʒər/

Messenger

Meaning
a person who carries messages or communications between parties
Example
The messenger delivered important battle plans to the commander.
B1 verb /ɪmˈpɔːrt/

import

Meaning
to bring goods or services into a country from abroad; to transfer data
Example
The country imports oil from abroad.
C1 noun /ˈmuːdi.nəs/

moodiness

Meaning
The state of being frequently subject to changes in mood, especially irritability or sadness.
Example
Her moodiness made it difficult to predict how she would react.
C1 adjective /ʌnˈkʌltʃəd/

Uncultured

Meaning
lacking good manners, refinement, or education; uncivilized
Example
His uncultured behavior embarrassed everyone at the dinner party.
C1 noun /ˈɛər.luːm/

heirloom

Meaning
a valuable object that has belonged to a family for several generations
Example
The ring is a family heirloom passed down from her grandmother.
C1 verb /səˈplænt/

supplant

Meaning
To take the place of something or someone, often by force or strategy.
Example
Digital platforms have supplanted traditional newspapers.
B2 noun səˈsteɪnəbl dɪˈvɛləpmənt

Sustainable Development

Meaning
Development that meets present needs without compromising the ability of future generations to meet their own needs.
Example
Eco-tourism contributes to sustainable development in local communities.
C1 verb /ˈsmoʊldər/

smolder

Meaning
to burn slowly with smoke but no flame; to show suppressed anger or emotion
Example
The fire smoldered for hours before it went out.
A2 adjective, adverb, interjection /ɔːlˈraɪt/

alright

Meaning
satisfactory or acceptable; safe or unharmed; used to express agreement or acknowledgment
Example
Everything is going to be alright.
C1 verb /diːˈfɒrɪst/

deforest

Meaning
to clear an area of trees, usually on a large scale
Example
The region has been heavily deforested for agriculture.
A1 adjective /oʊld/

old

Meaning
having lived for a long time; not new or young
Example
He still drives his old car.
B2 verb /waɪn/

whine

Meaning
to complain in an annoying way; to make a high-pitched sound
Example
The child whined about having to go to bed early.
A2 verb /pɪk/

pick

Meaning
to choose; to take or select from a group; to pluck or gather
Example
Please pick your favorite color from the palette.
C2 noun /dəˈkɔɪt/

Dacoit

Meaning
a member of an armed gang of robbers; a bandit, especially in India and Myanmar
Example
The village was terrorized by a gang of dacoits who robbed travelers.
C1 verb /hɔːrd/

hoard

Meaning
to accumulate and hide away a large supply of something, often secretly
Example
During the crisis, many people began to hoard food and water.
A1 pronoun /hɜːrz/

hers

Meaning
used to refer to something that belongs to or is associated with a female person previously mentioned or easily identified.
Example
That blue bag is hers.
B2 adjective /ˈmɪl.ki waɪt/

Milky white

Meaning
a pure white color resembling milk
Example
The clouds looked milky white against the blue sky.
A2 adverb /kəˈrɛktli/

correctly

Meaning
in a way that is true, accurate, or without mistakes
Example
She answered all the questions correctly.
C1 adjective /ˌsæŋktɪˈmoʊniəs/

sanctimonious

Meaning
Making a show of being morally superior to others; hypocritically pious.
Example
He gave a sanctimonious speech about honesty while he himself was corrupt.
C1 adjective /ˈsæk.rəˌsæŋkt/

sacrosanct

Meaning
Regarded as too important or valuable to be interfered with; sacred.
Example
Freedom of speech is considered sacrosanct in democratic societies.
B2 adverb /ˈaʊtraɪt/

Outright

Meaning
completely; directly; without reservation or concealment
Example
She rejected the proposal outright.
A2 noun /dʒɪˈræf/

Giraffe

Meaning
a very tall African animal with a long neck and long legs
Example
The giraffe stretched its neck to reach the leaves on the tall tree.
C1 noun /wɪsp/

wisp

Meaning
A small thin or twisted bunch, piece, or amount of something.
Example
A wisp of smoke rose from the chimney.