waddle
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C1 verb /ˈwɒd.əl/

waddle

Meaning
to walk with short steps and a clumsy swaying motion, like a duck
Example
The duck waddled across the yard.
C1 adjective /sɪˈkluːdɪd/

secluded

Meaning
Placed apart from other people or things; private and quiet.
Example
They spent their vacation in a secluded beach house.
C1 adjective /ˈtɜːrbjələnt/

turbulent

Meaning
Characterized by conflict, disorder, or confusion; not stable or calm.
Example
The country went through a turbulent period of political change.
C1 noun /kəˈlaɪdəˌskoʊp/

kaleidoscope

Meaning
A toy or instrument with mirrors and colored pieces that create changing patterns when rotated; also used metaphorically for a constantly changing sequence of patterns or elements.
Example
The city lights turned into a kaleidoscope of colors as the festival began.
C1 noun /ˈmɪʃ.ən.ɛr.i/

Missionary

Meaning
A person sent on a religious mission to promote their faith in a foreign country
Example
The missionary spent years teaching and helping people in remote villages.
C1 adjective /ɪˈmeɪʃieɪtɪd/

emaciated

Meaning
Abnormally thin or weak, usually due to illness or lack of food.
Example
The emaciated dog was rescued from the abandoned house.
C1 adjective /ˈstrɪndʒənt/

stringent

Meaning
strict, precise, and exacting
Example
The government imposed stringent measures during the crisis.
C1 noun /ˌɪnkɑːrˈneɪʃən/

incarnation

Meaning
the embodiment of a deity, spirit, or quality in a physical form
Example
The monk was considered the incarnation of compassion.
C1 noun /speɪt/

spate

Meaning
a large number of things occurring in quick succession
Example
There has been a spate of robberies in the city.
C1 verb /ɪnˈsɜːrkəl/

encircle

Meaning
to form a circle around something
Example
The protesters encircled the building in a human chain.
C1 noun /ˌæntiˈklaɪmæks/

anticlimax

Meaning
A disappointing end after a big build-up of excitement or expectation.
Example
The movie's ending was an anticlimax after such a thrilling story.
C1 adjective /ˈrɪvɪtɪŋ/

riveting

Meaning
extremely interesting; holding the complete attention
Example
The movie was so riveting that nobody looked away.
C1 noun /nɪˈɡeɪʃən/

negation

Meaning
The act of denying something; the contradiction or absence of something.
Example
The theory is built on the negation of traditional beliefs.
C1 noun /ɡeɪdʒ/

Gauge

Meaning
an instrument for measuring the magnitude, amount, or contents of something
Example
The pressure gauge showed the tank was full.
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.
C1 verb /daɪˈɡrɛs/

digress

Meaning
To leave the main subject temporarily in speech or writing.
Example
The professor began to digress from the main topic of the lecture.
C1 noun ˈɡræn.dʒər

Grandeur

Meaning
Magnificence, majesty, splendor; impressive beauty and scale.
Example
The grandeur of the Colosseum attracts millions of visitors.
C1 verb /ˈkʌl.mɪ.neɪt/

culminate

Meaning
To reach the final or climactic stage of a process or activity.
Example
Years of hard work culminated in his success.
C1 adjective /həˈred.ɪ.ter.i/

Hereditary

Meaning
passed down through family genes; inherited from ancestors
Example
The hereditary disease was passed down through generations.
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.
C1 adjective /ˈmɔːtəl/

Mortal

Meaning
subject to death; having a limited lifespan; human
Example
All human beings are mortal and will eventually die.
C1 noun /siˈɛrə klʌb/

Sierra Club

Meaning
An American environmental organization founded in 1892 by John Muir, focused on promoting conservation of the natural environment by influencing public policy decisions.
Example
John Muir founded the Sierra Club in 1892 to protect wild areas.
C1 verb /ɪnˈdaɪt/

indict

Meaning
to formally accuse someone of committing a serious crime
Example
The grand jury decided to indict the politician for corruption.
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 adjective /ˈbɒt.əl ɡriːn/

Bottle-green

Meaning
a dark green color similar to that of a green glass bottle
Example
She wore a beautiful bottle-green dress to the evening party.
C1 noun /ˈdʒɑːr.ɡən/

jargon

Meaning
Specialized or technical language used by a particular group or profession.
Example
The lawyer’s explanation was full of legal jargon.
C1 noun səˈfɪʃənsi

sufficiency

Meaning
The condition of being adequate or enough; adequacy.
Example
The sufficiency of food supply is critical for survival.
C1 noun /stɑːr fruːts/

Star Fruits

Meaning
yellow tropical fruits that form a star shape when sliced crosswise; tangy and crisp taste
Example
When you slice star fruits, they look like beautiful yellow stars on your plate.
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.
C1 noun /ˌɛksɛnˈtrɪsəti/

eccentricity

Meaning
the quality of being unconventional or slightly strange
Example
His eccentricity made him both admired and misunderstood.
C1 adjective ˈvɪdʒ.ɪ.lənt

vigilant

Meaning
Keeping careful watch for possible danger or difficulties; alert and watchful.
Example
The guards remained vigilant throughout the night.
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.
C1 noun /ɪmˌpɜː.sənˈeɪ.ʃən/

impersonation

Meaning
The action of pretending to be another person for the purpose of entertainment or fraud.
Example
Online impersonation is a serious cybercrime.
C1 noun /ˈrɛspɪt/

respite

Meaning
A short period of rest or relief from something difficult or unpleasant.
Example
The weekend provided a welcome respite from work.
C1 noun /ˈfɪʃˌmʌŋ.ɡər/

fishmonger

Meaning
a person or store that sells fish
Example
I bought fresh salmon from the local fishmonger.
C1 verb /ˈʃʌdər/

shudder

Meaning
to tremble or shake suddenly, often due to fear, cold, or strong emotion
Example
She shuddered at the thought of walking alone in the dark forest.
C1 adjective, noun /ˈsɛlɪbət/

celibate

Meaning
abstaining from marriage and sexual relations; a person who does so
Example
He chose to remain celibate for religious reasons.
C1 noun /ɪnˈɛk.wɪ.ti/

inequity

Meaning
Lack of fairness or justice; unequal distribution or treatment.
Example
Social inequity continues to be a global issue.
C1 noun /ɪˈvæp.ər.ə.tɪv ˈkuː.lər/

Evaporative cooler

Meaning
a cooling device that uses water evaporation to reduce air temperature
Example
The evaporative cooler works best in dry climates.
C1 noun ˈdʒɛnɪsɪs

genesis

Meaning
The origin or mode of formation of something.
Example
The genesis of the internet changed the world forever.
C1 adjective /ˌæpəˈθɛtɪk/

apathetic

Meaning
showing or feeling little or no interest, enthusiasm, or concern
Example
He was apathetic about the outcome of the match.
C1 noun ˌsæn.ɪ.taɪˈzeɪ.ʃən

sanitization

Meaning
The process of cleaning and disinfecting to eliminate germs and bacteria.
Example
Regular sanitization keeps appliances germ-free.
C1 noun /ˈvaɪəˌleɪtər/

violator

Meaning
A person who breaks or disregards a law, rule, or agreement.
Example
The police caught the traffic violator at the intersection.
C1 verb /bɪˈhoʊld/

behold

Meaning
to see or observe something, especially something remarkable or impressive
Example
She stood quietly to behold the sunrise over the hills.
C1 adjective /ˌɒbsəˈliːt/

obsolete

Meaning
No longer in use or out of date.
Example
Floppy disks are now completely obsolete.
C1 noun /ˌɪn.səˌbɔːr.dɪˈneɪ.ʃən/

insubordination

Meaning
Defiance of authority; refusal to obey orders.
Example
The soldier was punished for insubordination during the mission.
C1 noun /ˈpɜːʃən/

Persian

Meaning
a native or inhabitant of Iran; the language spoken in Iran (Farsi)
Example
The Persian language has a rich literary history.
C1 noun, verb /dɪsˈɑːnər/

dishonor

Meaning
a state of shame or loss of respect; to bring shame upon someone or something
Example
The soldier felt he had brought dishonor to his family.
C1 noun /ˈhaɪndsaɪt/

hindsight

Meaning
Understanding of a situation only after it has happened.
Example
With the benefit of hindsight, we realized the decision was a mistake.
C1 adjective /ˌfɑːrˈfɛtʃt/

far-fetched

Meaning
unlikely to happen or be true; improbable
Example
His explanation for being late was a bit far-fetched.
C1 verb /dʒæb/

jab

Meaning
To poke or thrust quickly, often with a finger or something pointed.
Example
He jabbed his finger at the map to show the location.
C1 verb /ˈpɛdəl/

peddle

Meaning
To sell goods, often by going from place to place; sometimes used negatively to mean promoting an idea or product in a pushy way.
Example
Street vendors peddle handmade jewelry to tourists.
C1 verb /ɪnˈkrɪmɪˌneɪt/

incriminate

Meaning
to make someone appear guilty of a crime or wrongdoing
Example
The new evidence could incriminate the suspect in the robbery case.
C1 noun /ˈtændʒənt/

tangent

Meaning
a straight line or plane that touches a curve or curved surface at a point but does not cross it
Example
The teacher drew a tangent to the circle on the board.
C1 adjective /bəˈzɜːrk/

berserk

Meaning
Out of control with anger or excitement; wild or frenzied.
Example
The fans went berserk when their team won the championship.
C1 noun /ˈbaɪoʊˌsfɪr/

Biosphere

Meaning
the regions of the surface and atmosphere of the earth occupied by living organisms
Example
Climate change is affecting the entire biosphere.
C1 adjective ˈkɒn.və.luː.tɪd

convoluted

Meaning
Extremely complex and difficult to follow; twisted or intricate.
Example
His argument was so convoluted that no one understood it.
C1 adjective /ˈvɪrjʊlənt/

virulent

Meaning
Extremely severe or harmful in its effects.
Example
The virulent disease spread rapidly across the region.
C1 adjective /ɪnˈkɒmp(ə)rəbl/

incomparable

Meaning
Without an equal in quality or excellence; matchless.
Example
The view from the mountain was incomparable.
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.
C1 adjective /dɪˈfɪʃənt/

Deficient

Meaning
not having enough of a specified quality or ingredient; lacking or inadequate
Example
His diet was deficient in essential vitamins.
C1 noun /ˈkændɪdnəs/

candidness

Meaning
The quality of being open, honest, and straightforward
Example
Her candidness during the meeting impressed everyone.
C1 verb /ˌriːˈkæl.ɪ.breɪt/

recalibrate

Meaning
To calibrate again or differently; to adjust or correct something based on new information or changed circumstances.
Example
The company had to recalibrate its strategies to adapt to the market.
C1 adjective /ˌɪnkənˈkluːsɪv/

inconclusive

Meaning
Not leading to a definite result or decision.
Example
The investigation remained inconclusive due to a lack of evidence.
C1 verb /səbˈstænʃieɪt/

substantiate

Meaning
To provide evidence to support or prove the truth of something.
Example
The lawyer worked to substantiate the claims with solid evidence.
C1 noun /voʊɡ/

vogue

Meaning
the prevailing fashion, style, or trend at a particular time
Example
Minimalist design is currently in vogue.
C1 noun /lɒft/

loft

Meaning
An upper room or space, often under the roof of a building.
Example
She converted the old loft into a modern studio.
C1 noun /ˈmæɡnɪtuːd/

Magnitude

Meaning
The great size or extent of something; importance
Example
The magnitude of the earthquake was measured at 7.5 on the Richter scale.
C1 noun /ˈoʊ.mən/

Omen

Meaning
an event regarded as a sign of future good or bad luck
Example
Many people consider a black cat crossing your path a bad omen.
C1 adjective /ˈdrɪəri/

dreary

Meaning
dull, bleak, and lifeless; depressing
Example
The long, dreary winter made everyone feel gloomy.
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.
C1 verb /rɪˈmɪt/

remit

Meaning
To send money in payment or as a gift; to cancel or refrain from exacting a debt or punishment.
Example
He promised to remit the payment by the end of the week.
C1 adjective fæsˈtɪd.i.əs

fastidious

Meaning
Very attentive to and concerned about accuracy and detail.
Example
She is fastidious about maintaining cleanliness.
C1 noun /ˈmɛm.wɑːr/

memoir

Meaning
A historical account or autobiography written from personal experience.
Example
The author’s memoir details her journey through hardship and success.
C1 adjective ˌkaʊntəprəˈdʌktɪv

counterproductive

Meaning
Having the opposite of the desired effect; tending to hinder rather than help.
Example
Counterproductive activities often stem from dissatisfaction.
C1 noun /ˈlæb.ə.rɪnθ/

labyrinth

Meaning
A complicated network of paths or passages; an intricate and confusing arrangement.
Example
The city's streets were like a labyrinth.
C1 adverb /ˈfɜː.vənt.li/

Fervently

Meaning
with passionate intensity; ardently; with great emotion or enthusiasm
Example
She fervently hoped that her dreams would come true.
C1 adjective /əˈtjuːnd/

attuned

Meaning
Being receptive or sensitive to something; well adjusted or in harmony.
Example
She is attuned to the needs of her students.
C1 adjective /ɪɡˈzɪləreɪtɪd/

exhilarated

Meaning
feeling very happy, animated, or elated
Example
She felt exhilarated after finishing the marathon.
C1 adjective /ˈɛntərˌpraɪzɪŋ/

enterprising

Meaning
showing initiative and resourcefulness; willing to take risks to achieve success
Example
She is an enterprising young entrepreneur.
C1 adjective /ˈzɛsti/

zesty

Meaning
Having a strong, pleasant, and somewhat spicy flavor; full of energy and enthusiasm.
Example
The dish had a zesty flavor that everyone loved.
C1 noun /ˈsɛntrɪˌfjuːdʒ/

centrifuge

Meaning
A machine that spins substances at high speed to separate different components.
Example
The lab technician used a centrifuge to separate the blood cells from the plasma.
C1 noun /ˈkɪŋ.fɪʃ.ər/

King-Fisher

Meaning
a small bird with bright blue and orange feathers that catches fish by diving into water
Example
The colorful kingfisher dove into the pond to catch a fish.
C1 noun /ˌkɒnfləˈɡreɪʃən/

conflagaration

Meaning
This is a common misspelling of 'conflagration', which means a large, destructive fire.
Example
The term 'conflagaration' is often incorrectly used instead of 'conflagration'.
C1 adjective /ˈroʊtəri/

rotary

Meaning
Relating to or characterized by rotation; revolving around an axis.
Example
The machine uses a rotary engine to function efficiently.
C1 adjective /ˌɪn.ɪˈfɛk.tʃu.əl/

ineffectual

Meaning
Not producing any or the desired effect; lacking the ability or qualities to achieve a purpose.
Example
The manager’s ineffectual leadership caused the team to lose motivation.
C1 noun /ˈtrɛtʃəri/

treachery

Meaning
Betrayal of trust; deceptive action or nature.
Example
His treachery was revealed when he sided with the enemy.
C1 noun /ˈfjuː.tʃə.rɪst/

futurist

Meaning
A person who studies or predicts the future, especially trends in science, technology, or society.
Example
The futurist predicted major changes in transportation within the next decade.
C1 noun /ˈpær.ə.di/

Parody

Meaning
an imitation of a particular style for comic effect; a humorous exaggerated copy
Example
The comedy show featured a parody of famous politicians.
C1 verb ˈsɪn.θə.saɪ.zɪŋ

synthesizing

Meaning
Combine (a number of things) into a coherent whole.
Example
He excels in synthesizing ideas from different sources.
C1 noun /rɛnˈdɪʃən/

rendition

Meaning
a performance or interpretation of a piece of art, music, or text
Example
The singer gave a moving rendition of the classic song.
C1 verb /ɪkˈskriːt/

excrete

Meaning
to eliminate waste matter from the body
Example
Humans excrete carbon dioxide through breathing.
C1 noun /ˈkoʊhɔːrt/

cohort

Meaning
A group of people with a shared characteristic, usually of the same age or with a common experience.
Example
The study tracked a cohort of students over ten years.
C1 verb /ˈbɛkən/

beckon

Meaning
to signal or call someone to come closer, often with a gesture; to attract or invite
Example
She beckoned him to come closer with a wave of her hand.
C1 verb /bɪˈriːv/

bereave

Meaning
to deprive someone of a loved one through death
Example
She was bereaved of her husband last year.
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.
C1 noun ˌɪndɪˈspensəbl̩ ˈkɒmpɪtənsi

indispensable competency

Meaning
Essential skill or ability that cannot be done without; a crucial capability that is absolutely necessary.
Example
Digital literacy is an indispensable competency in the 21st century.
C1 adjective /bɪˈfɪt.ɪŋ/

Befitting

Meaning
appropriate; suitable; proper for a particular situation or person
Example
He wore formal attire befitting the important occasion.
C1 noun ˌdiː.sen.trə.laɪˈzeɪ.ʃən

decentralization

Meaning
The transfer of authority from central to local government.
Example
Decentralization promotes regional autonomy.
C1 noun /dɪˈkriː/

Decree

Meaning
an official order issued by a legal authority; a judicial decision or edict
Example
The king issued a decree that all citizens must pay additional taxes.
C1 verb /ræsp/

rasp

Meaning
to speak in a rough, harsh voice or to scrape with a coarse sound
Example
He rasped out a warning before collapsing.
C1 adjective /ˌmiːtiˈɔːrɪk/

meteoric

Meaning
Relating to meteors; very rapid and often temporary.
Example
The singer’s meteoric rise to fame surprised everyone.
C1 verb /kənˈsaɪn/

consign

Meaning
to deliver something to a person or place, often for selling or safekeeping
Example
He consigned the package to the shipping company.
C1 noun /ˌfæb.rɪˈkeɪ.ʃən/

fabrication

Meaning
The invention of false or misleading information; a lie or falsehood.
Example
The article was full of fabrication and misleading claims.
C1 noun /ˈwaɪt.lɪst.ɪŋ/

whitelisting

Meaning
Identifying specific users, software, or IP addresses as safe and trusted
Example
Only verified applications are allowed through whitelisting.
C1 verb /prɪˈzaɪd/

preside

Meaning
to be in charge of a meeting, event, or organization
Example
She will preside over the meeting tomorrow.
C1 noun /ˈnaɪt.hʊd/

knighthood

Meaning
The rank or dignity of a knight, or the ceremony of conferring knighthood.
Example
He was honored with knighthood for his contributions to science.
C1 noun kəˈmjunəl ˈhɑrməni

communal harmony

Meaning
Peaceful coexistence and cooperation among different groups in a community.
Example
Maintaining communal harmony requires mutual respect and understanding.
C1 noun /ˈɡrɪd.əl/

Griddle

Meaning
a flat heating surface for cooking food, typically made of metal
Example
She cooked pancakes on the hot griddle.
C1 noun /ˌsɛlfsəˈfɪʃənsi/

Self-sufficiency

Meaning
the ability to supply one's own needs without external assistance; independence
Example
The farm achieved complete self-sufficiency in food production.
C1 adjective /ˈɪmpətənt/

impotent

Meaning
Lacking power, ability, or strength to take effective action.
Example
The citizens felt impotent against the corrupt system.
C1 noun /ˈɑn.set/

Onset

Meaning
the beginning or early stages of something; the start of a medical condition
Example
The onset of winter brought heavy snowfall.
C1 noun /ˈprɒmɪnəns/

prominence

Meaning
The state of being important, famous, or easily noticed.
Example
Her work gained prominence after the award.
C1 adjective /pərˈveɪsɪv/

pervasive

Meaning
Existing in or spreading through every part of something
Example
Pervasive technology has become a fundamental part of daily life.
C1 noun /ˈmjuːtɪni/

mutiny

Meaning
an open rebellion against authority, especially by soldiers or sailors
Example
The sailors staged a mutiny against their captain.
C1 verb /ɪnˈtaɪs/

entice

Meaning
to attract or tempt someone by offering something appealing
Example
The advertisement was designed to entice customers into the store.
C1 noun /ˌvaɪ.əˈbɪl.ə.ti/

viability

Meaning
Ability to work successfully; feasibility.
Example
The viability of the project depends on funding.
C1 adjective /ˈkɜːrsəri/

cursory

Meaning
Hasty and therefore not thorough or detailed.
Example
He gave the report only a cursory glance before the meeting.
C1 noun /ˈhæv.ək/

Havoc

Meaning
widespread destruction; great confusion or disorder; chaos
Example
The hurricane wreaked havoc on the coastal towns, destroying homes and businesses.
C1 verb /ɪnˈfrɪndʒ/

infringe

Meaning
To actively break the terms of a law, agreement, or right.
Example
Copying this software without permission will infringe copyright laws.
C1 noun /krʌst/

crust

Meaning
the hard outer surface of something, especially bread or the Earth's outer layer
Example
He cut off the crust of the bread before eating.