arsenal
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C1 noun /ˈɑːr.sən.əl/

arsenal

Meaning
A collection or storage place for weapons and military equipment.
Example
The army kept its weapons in a secure arsenal.
C1 noun /ˌtɒləˈreɪʃən/

toleration

Meaning
The practice of allowing something that one does not necessarily agree with.
Example
The government promoted religious toleration.
C1 noun /ɪkˈspɛktənsi/

expectancy

Meaning
the state of expecting something; anticipation or likelihood
Example
There was a sense of expectancy in the room before the results were announced.
C1 adjective/verb /ˈbæntərɪŋ/

bantering

Meaning
characterized by good-humored teasing or joking
Example
They had a bantering conversation at the café.
C1 noun /ˈrəʊ.bɒt əˈsɪs.tɪd prəˈsiː.dʒərz/

robot-assisted procedures

Meaning
Medical operations performed with the help of robotic systems to enhance precision and control.
Example
Robot-assisted procedures reduce human error.
C1 noun /ˈvɪdʒ.ɪ.ləns/

vigilance

Meaning
The action or state of keeping careful watch for possible danger or difficulties.
Example
Constant vigilance is required in cybersecurity.
C1 verb /ˌrevəˈluːʃənaɪz/

revolutionize

Meaning
Change (something) radically or fundamentally.
Example
Artificial intelligence is set to revolutionize the healthcare sector.
C1 noun /pəˈlɪɡ.ə.mi/

Polygamy

Meaning
the practice of marrying multiple spouses at the same time
Example
Polygamy is illegal in many countries around the world.
C1 adjective /kənˈtɛmptəbl/

contemptible

Meaning
deserving of contempt; despicable
Example
His deceitful actions were truly contemptible.
C1 verb /fɔːrˈseɪk/

forsake

Meaning
to abandon or give up something or someone
Example
He decided not to forsake his old friends despite his success.
C1 noun /haɪˈpɒθəsɪs/

hypothesis

Meaning
a proposed explanation made on the basis of limited evidence as a starting point for further investigation.
Example
The scientist tested her hypothesis through multiple experiments.
C1 noun /kæpˈtɪv.ɪ.ti/

Captivity

Meaning
the condition of being imprisoned or confined
Example
After years of captivity, the prisoner was finally released.
C1 noun /ˈtæbloʊ/

tableau

Meaning
a striking or artistic scene or arrangement of people or objects, often presented on stage or in art
Example
The actors froze in a tableau that captured the final moment of the play.
C1 noun ˈrɔɪəl ˈbɛŋɡəl ˈtaɪɡər

Royal Bengal Tiger

Meaning
A subspecies of tiger found primarily in India and Bangladesh, known for its distinctive orange coat with black stripes.
Example
The Royal Bengal Tiger is an iconic species of the Sundarbans.
C1 noun /zest/

Zest

Meaning
great enthusiasm and energy; excitement and vigor; the outer peel of a citrus fruit
Example
She approached the new job with tremendous zest.
C1 adjective /ˈtiːmɪŋ/

teeming

Meaning
full of or swarming with things or people
Example
The market was teeming with shoppers.
C1 noun /ɪnˈkɜːrʒən/

incursion

Meaning
A sudden attack or invasion into a place or territory.
Example
The army repelled the enemy incursion at the border.
C1 noun /ˈrɛt.ər.ɪk/

rhetoric

Meaning
The art of effective or persuasive speaking or writing; skillful use of language to influence others.
Example
Political leaders often use rhetoric to influence people.
C1 noun trəˈdʒek.tər.i

trajectory

Meaning
The path followed by a projectile flying or an object moving under the action of given forces.
Example
The satellite followed its intended trajectory.
C1 adjective /ˌkɒnsɪˈkwɛnʃəl/

consequential

Meaning
Having important or significant consequences; resulting from something.
Example
The meeting was consequential for the future of the project.
C1 noun /ˈmiːdieɪtər/

Mediator

Meaning
A person who attempts to make people involved in a conflict agree
Example
The United Nations often acts as a mediator in international disputes.
C1 adjective /ˈskɪtɪʃ/

skittish

Meaning
easily frightened or nervous; unpredictable
Example
The horse was too skittish to ride.
C1 verb /fɔːˈbɛər/

forbear

Meaning
To refrain from doing something; to show patience or self-control.
Example
She forbore from commenting on his mistake.
C1 noun /fɪˈziːk/

physique

Meaning
the form, size, and development of a person's body
Example
He has an athletic physique due to years of training.
C1 verb /wɛt/

whet

Meaning
To sharpen the blade of a tool or to stimulate interest or appetite.
Example
The smell of food whetted my appetite.
C1 verb /əˈflɪkt/

afflict

Meaning
to cause pain, suffering, or distress to someone or something
Example
Many people are afflicted by seasonal allergies.
C1 verb /aʊst/

oust

Meaning
To remove someone from a position or place of power or authority.
Example
The rebels ousted the dictator from power.
C1 noun /ˈstəʊ.ɪ.sɪ.zəm/

stoicism

Meaning
The endurance of pain or hardship without the display of feelings and without complaint.
Example
His stoicism during hardship was admirable.
C1 verb /dɪˈspɛns/

dispense

Meaning
To distribute or provide something, especially in portions.
Example
The machine dispenses clean drinking water.
C1 noun /ˌsɪmbɪˈəʊsɪs/

symbiosis

Meaning
A mutually beneficial relationship between different people or groups.
Example
The symbiosis between the two companies led to mutual growth.
C1 verb /ɪkˈspend/

expend

Meaning
to use up or consume; to spend energy or resources
Example
He expended all his energy on the project.
C1 noun /ˈprɒmɪnəns/

prominence

Meaning
The state of being important, famous, or easily noticed.
Example
Her work gained prominence after the award.
C1 noun ˈmæŋɡroʊv ˈfɒrɪst

Mangrove Forest

Meaning
A coastal forest ecosystem characterized by salt-tolerant trees and shrubs that grow in intertidal zones.
Example
Sundarbans is the world's largest mangrove forest.
C1 noun/verb /smʌdʒ/

smudge

Meaning
a dirty mark or smear; to make something dirty or unclear by rubbing or touching
Example
She accidentally smudged her lipstick on the napkin.
C1 adjective sɪˈmæn.tɪk

semantic

Meaning
Related to meaning in language; concerning the interpretation of words and sentences.
Example
AI models use semantic analysis to understand context.
C1 noun /səˈlɪləkwi/

soliloquy

Meaning
a speech in which a character talks to themselves, often used in drama to reveal inner thoughts
Example
Hamlet's soliloquy is one of the most famous passages in Shakespearean drama.
C1 noun /ˈmænər/

manor

Meaning
A large country house with lands; the main house of an estate.
Example
The old manor stood proudly on the hill for centuries.
C1 noun /ˈdɛljuːdʒ/

deluge

Meaning
A severe flood; an overwhelming quantity of something.
Example
The town was hit by a deluge of rain in just a few hours.
C1 noun /ˈɡlædiˌeɪtər/

gladiator

Meaning
A man trained to fight in public contests in ancient Rome.
Example
The gladiator fought bravely in the arena.
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.
C1 noun /əˈfɪn.ɪ.ti/

affinity

Meaning
A natural liking for or attraction to a person, thing, idea, etc.
Example
She has an affinity for classical music.
C1 verb /ˈdrɪbəl/

dribble

Meaning
to let liquid flow slowly in drops or to move a ball skillfully with repeated small kicks or bounces
Example
The baby dribbled milk on his shirt.
C1 noun, verb /fɔːrd/

ford

Meaning
A shallow place in a river where one can cross; to cross a river at such a place.
Example
The travelers decided to ford the river at dawn.
C1 noun/verb /ɡæʃ/

gash

Meaning
A long, deep cut or wound; to cut deeply or violently.
Example
He had a deep gash on his leg after the accident.
C1 adjective /traɪt/

trite

Meaning
Overused and lacking originality.
Example
The speech was full of trite phrases.
C1 noun /ˈæl.ɪ.moʊ.ni/

alimony

Meaning
financial support that a person is ordered by a court to give to their spouse after separation or divorce
Example
He was ordered by the court to pay monthly alimony to his ex-wife.
C1 verb, noun /mɛʃ/

mesh

Meaning
To fit or work together properly; or a material made of interlaced threads.
Example
The two gears mesh perfectly to keep the machine running smoothly.
C1 noun /aɪˈtɪnərɛri/

itinerary

Meaning
A planned route or schedule of a journey or trip.
Example
The travel agent gave us a detailed itinerary for our vacation.
C1 noun /ɪkˈspʌlʃən/

expulsion

Meaning
The act of forcing someone to leave a place, especially a school or country.
Example
His constant misbehavior led to his expulsion from school.
C1 noun /ˈsteɪ.ʃən.ər/

Stationer

Meaning
a person who sells paper, pens, pencils, and other office supplies
Example
The stationer recommended the best pens for writing exams.
C1 adjective /ɪnˈsɒlvənt/

insolvent

Meaning
unable to pay debts owed
Example
The insolvent firm could not meet its financial obligations.
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.
C1 noun ˌmɪt.ɪˈɡeɪ.ʃən

mitigation

Meaning
The action of reducing the severity, seriousness, or painfulness of something.
Example
Mitigation of climate change requires collective effort.
C1 noun ˌkɒm.pjʊˈteɪ.ʃən

computation

Meaning
The action of mathematical calculation.
Example
Complex computation is required for AI models.
C1 verb /ˈviːtoʊ/

veto

Meaning
to reject or forbid a decision, proposal, or law
Example
The president decided to veto the new bill.
C1 verb /ˌriːˈkɒn.stɪ.tʃuːt/

reconstitute

Meaning
to restore something to its original form or state; to reassemble
Example
The group was reconstituted after the leader returned.
C1 noun /ˈhiːdənɪst/

hedonist

Meaning
A person who believes that the pursuit of pleasure is the most important thing in life.
Example
She was called a hedonist because she always prioritized enjoyment over duty.
C1 adjective /ˈɡʌsti/

gusty

Meaning
characterized by strong, sudden bursts of wind
Example
It was a cold, gusty day by the sea.
C1 noun /ˈlɔːriət/

laureate

Meaning
A person honored with an award for outstanding achievement in a field, especially the arts or sciences.
Example
The Nobel laureate gave an inspiring lecture on peace.
C1 verb /raʊz/

rouse

Meaning
To awaken from sleep or to stir into action.
Example
The loud alarm roused him from his deep sleep.
C1 verb /sərˈpæs/

surpass

Meaning
to exceed or go beyond
Example
Her performance surpassed all expectations.
C1 noun ˌfɔːtɪfɪˈkeɪʃn

fortification

Meaning
A defensive wall or other reinforcement built to strengthen a place against attack.
Example
The fortifications protected the city.
C1 adjective ˈdɪs.pər.ət

disparate

Meaning
containing elements very different from one another.
Example
Their opinions were disparate, leading to debates.
C1 adjective /ˈɡraʊnd.ləs/

Groundless

Meaning
without foundation or justification; baseless
Example
His accusations against her were completely groundless.
C1 verb /præns/

prance

Meaning
To move with high, springy steps, often to show off or attract attention.
Example
The horse pranced around the field gracefully.
C1 noun /tɪf/

tiff

Meaning
a small or petty quarrel or argument
Example
They had a little tiff over what movie to watch.
C1 noun /ˌɪnflɛksɪˈbɪlɪti/

inflexibility

Meaning
the quality of being rigid or unwilling to change; lack of adaptability
Example
The inflexibility of the rules caused unnecessary delays.
C1 noun /əˈtrɑːsəti/

atrocity

Meaning
an extremely cruel or violent act, often involving physical violence
Example
The world condemned the atrocity committed against civilians.
C1 adjective /pəˈroʊkiəl/

parochial

Meaning
Having a limited or narrow outlook; relating to a parish.
Example
His parochial view prevented him from understanding global issues.
C1 adjective /suːˈpɜːrlətɪv/

superlative

Meaning
Of the highest quality or degree; expressing the extreme form of an adjective or adverb.
Example
Her performance was superlative, earning her a standing ovation.
C1 noun səˈsteɪnəbəl ˈpræktɪsɪz

sustainable practices

Meaning
Methods and activities that can be maintained over time without depleting natural resources or harming the environment.
Example
Sustainable practices are vital for environmental preservation.
C1 adjective /ˈneɡ.lɪ.dʒə.bəl/

Negligible

Meaning
so small or unimportant as to be not worth considering; insignificant
Example
The side effects of this medicine are negligible.
C1 verb /rɪˈdrɛs/

redress

Meaning
to set right, remedy, or compensate for a wrong or grievance
Example
The company promised to redress the complaints of its customers.
C1 noun/adjective /ˈmɪstɪk/

mystic

Meaning
relating to mysteries, spirituality, or hidden truths; a person who seeks spiritual insight
Example
The mystic devoted his life to meditation and spiritual discovery.
C1 adjective liːst prɪˈpeərd

least prepared

Meaning
Having the minimum level of readiness or equipment to handle a situation.
Example
Bangladesh is among the least prepared for climate adaptation.
C1 adjective /ɔːˈstɪə/

austere

Meaning
Severe or strict in manner, attitude, or appearance; plain and simple.
Example
The monk lived an austere life in the mountains.
C1 adjective /smʌɡ/

smug

Meaning
having or showing an excessive pride in oneself or one's achievements
Example
He wore a smug smile after winning the debate.
C1 adjective /ˈɔːrdɪnəl/

ordinal

Meaning
Relating to the order or position of something in a sequence (first, second, third, etc.).
Example
The ordinal number 'third' indicates position in a sequence.
C1 adjective /ˌsɛm.iˈæn.ju.əl/

semiannual

Meaning
Occurring twice a year; every six months.
Example
The company holds a semiannual meeting with all employees.
C1 noun ˈiː.pɒk

epoch

Meaning
A period of time in history or a person's life, typically one marked by notable events or particular characteristics.
Example
The invention of the internet marked a new epoch in human history.
C1 verb /ˌrekəˈlekt/

recollect

Meaning
to remember something; to recall from memory
Example
I can't recollect where I put my keys.
C1 verb /ˈɪnsjuleɪt/

insulate

Meaning
To protect something by covering it, especially to prevent heat, sound, or electricity from escaping or entering.
Example
The house was insulated to reduce heating costs.
C1 adjective /ˈsɒnɪk/

sonic

Meaning
Relating to or involving sound waves or speed of sound.
Example
The jet created a loud boom when it broke the sonic barrier.
C1 adjective /ˈstɔːlwərt/

stalwart

Meaning
Loyal, reliable, and hardworking; strongly built or sturdy.
Example
She has always been a stalwart supporter of the community.
C1 verb /ˌkɒntrəˈviːn/

contravene

Meaning
to go against or act in opposition to a law, rule, or agreement
Example
He contravened the safety regulations and was fined.
C1 noun /ˈkætərækt/

cataract

Meaning
A medical condition causing clouding of the eye's lens; also a large waterfall.
Example
The old man suffered from cataracts in both eyes.
C1 adjective prəˈvɪnʃəl

provincial

Meaning
Of or concerning a province of a country or empire.
Example
Bengali was not just a provincial language.
C1 noun /ˈprɒvɪdəns/

providence

Meaning
the protective care of God or nature as a spiritual power; foresight or prudence
Example
They believed their survival was due to divine providence.
C1 adjective /vɜːrˈboʊs/

verbose

Meaning
Using or expressed in more words than are needed; wordy.
Example
His verbose explanation confused the audience instead of clarifying the issue.
C1 noun ˈsɪmbəlɪzəm

symbolism

Meaning
The use of symbols to represent ideas or qualities.
Example
The use of symbolism in the novel is masterful.
C1 noun/verb /ɪˈstiːm/

esteem

Meaning
Respect and admiration, typically for a person.
Example
She is held in high esteem by her colleagues.
C1 verb /ɪˈnɔːɡjʊreɪt/

inaugurate

Meaning
To formally begin or introduce something, especially with a ceremony.
Example
The mayor will inaugurate the new bridge tomorrow.
C1 noun ˌʌndərˈprɪvəlɪdʒd ɡruːps

underprivileged groups

Meaning
Groups of people who lack basic necessities or advantages that are available to other members of society.
Example
Underprivileged groups benefit from social initiatives.
C1 verb /ˈɡɑː.nər/

garner

Meaning
To gather or collect, especially information, support, or approval.
Example
The politician garnered support from young voters.
C1 adjective /ˌpæn.əˈmer.ɪ.kən/

Pan-American

Meaning
relating to all the countries of North, Central, and South America
Example
The Pan-American Games bring together athletes from across the continent.
C1 adjective /raɪ/

wry

Meaning
twisted or distorted in expression; showing dry, mocking humor
Example
He gave a wry smile after hearing the sarcastic remark.
C1 noun /ˈkɒləmnɪst/

columnist

Meaning
a journalist who regularly writes articles or opinions for a newspaper or magazine
Example
The columnist wrote an article about climate change.
C1 adjective /ˈsɛnʃuəs/

sensuous

Meaning
Relating to or affecting the senses rather than the intellect; pleasing to the senses.
Example
The garden was filled with sensuous colors and fragrances.
C1 adjective /kənˈɡrɛʃənl/

congressional

Meaning
relating to a congress, especially the US Congress
Example
The bill received strong congressional support.
C1 verb /ˈkɒnfɪskeɪt/

confiscate

Meaning
to take something away officially, often as a punishment
Example
The teacher confiscated the student's phone during class.
C1 verb /ɪmˈploʊd/

implode

Meaning
To collapse or burst inward violently.
Example
The old building imploded during the demolition.
C1 noun /ˈpɔɪ.nən.si/

poignancy

Meaning
the quality of evoking a keen sense of sadness or regret; emotionally touching
Example
The poignancy of the farewell brought tears to everyone's eyes.
C1 noun /ˌtrænsˈpɪəreɪʃən/

transpiration

Meaning
The process by which plants lose water through their leaves, which plays a crucial role in plant cooling, nutrient transport, and the water cycle.
Example
Transpiration plays a key role in the water cycle and plant growth.
C1 noun /haɪˈeɪtəs/

hiatus

Meaning
A pause or break in continuity of a process or activity.
Example
The show returned after a long hiatus.
C1 noun flɛər

flair

Meaning
A natural ability to do something well.
Example
She has a flair for design, always creating visually stunning work.
C1 verb /ɪnˈskraɪb/

inscribe

Meaning
to write or carve words or symbols on a surface
Example
They inscribed her name on the trophy.
C1 verb /ɪnˈkɜːr/

incur

Meaning
To bring upon oneself something undesirable, usually as a result of actions.
Example
He incurred a fine for parking in the wrong place.
C1 noun /rɪˌmjuː.nəˈreɪ.ʃən/

Remuneration

Meaning
money paid for work or services; compensation or reward
Example
The job offers excellent remuneration and benefits.
C1 noun ˈrəʊvə

rover

Meaning
A vehicle for driving over rough terrain, especially one driven by remote control over extraterrestrial terrain.
Example
The rover landed on Mars to begin its exploration.
C1 adjective /dɪˈmɒnstrəbl/

demonstrable

Meaning
clearly able to be shown or proven
Example
There was demonstrable evidence that he was innocent.
C1 adjective /ʌnˈsɪvəl/

Uncivil

Meaning
not polite or courteous; rude and discourteous in behavior
Example
His uncivil remarks during the meeting offended everyone present.
C1 adjective /ˌeɪpəˈlɪtɪkəl/

apolitical

Meaning
not interested in or not connected with politics
Example
She prefers to stay apolitical and focus on her work.
C1 adjective /pɜːrt/

pert

Meaning
attractively lively or cheeky in manner or style
Example
She gave a pert reply that made everyone laugh.
C1 adjective /ˈluː.mɪ.nəs/

Luminous

Meaning
bright; shining; emitting light; radiant
Example
The luminous stars filled the dark night sky.
C1 noun /ˈvenəm/

Venom

Meaning
a poisonous substance secreted by animals such as snakes; extreme malice and bitterness
Example
The snake's venom can be deadly if not treated quickly.
C1 verb /rɪˈsiːd/

recede

Meaning
To move back or further away from a previous position.
Example
The floodwaters began to recede after the heavy rain stopped.
C1 noun /əˈkʌmplɪs/

accomplice

Meaning
a person who helps another commit a crime
Example
The thief was arrested along with his accomplice.
C1 noun /ˈɑːdəsi/

odyssey

Meaning
a long, adventurous journey; a series of experiences
Example
Her career has been an odyssey of challenges and achievements.
C1 adverb spɒnˈteɪnɪəsli

spontaneously

Meaning
In a spontaneous way; naturally and without planning or external cause.
Example
Children learn spontaneously through peer interactions.
C1 noun /ˈflɔː.rə/

flora

Meaning
The plant life found in a particular region or habitat.
Example
The Amazon rainforest is home to a vast flora diversity.
C1 noun /ˈfɔːls.hʊd/

Falsehood

Meaning
the state of being untrue; a lie
Example
The politician was caught spreading falsehoods about his opponent.