clot
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C1 noun, verb /klɒt/

clot

Meaning
a thick mass of coagulated liquid, especially blood; to form such a mass.
Example
The doctor removed a blood clot from the patient.
C1 verb /ˈpændər/

pander

Meaning
to indulge or exploit the weaknesses, desires, or immoral tendencies of others
Example
The politician was accused of pandering to voters' fears.
C1 noun /bəˈtæljən/

battalion

Meaning
A large body of soldiers ready for battle, typically consisting of several companies.
Example
The battalion was deployed to the front line.
C1 noun ˈælərdʒən

allergen

Meaning
A substance that causes an allergic reaction.
Example
Pollen is a common allergen that affects many people.
C1 noun /ˈriːpər/

reaper

Meaning
a person or machine that cuts and gathers crops
Example
The reaper moved slowly through the golden fields.
C1 noun /ɪˈnæməl/

enamel

Meaning
a hard, glossy substance used as a protective or decorative coating; the hard outer layer of teeth
Example
The dentist explained that enamel protects the teeth from decay.
C1 noun /ˌdiːˈmer.ɪt/

Demerit

Meaning
a fault or disadvantage; a mark given for a fault or offense
Example
The student received a demerit for arriving late to class repeatedly.
C1 adjective /ˈloʊli/

lowly

Meaning
humble in status, position, or manner
Example
She rose from a lowly position to become the company's CEO.
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.
C1 noun /ˈded.lɑk/

Dead-lock

Meaning
a situation in which no progress is possible; complete standstill
Example
The negotiations reached a deadlock when neither side would compromise.
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 /rʌk/

Ruck

Meaning
a situation where a crowd of people are pushing against each other; a disorderly crowd
Example
There was a ruck at the football match.
C1 noun, adjective /dɪˈrɪvətɪv/

derivative

Meaning
Something that is based on another source; in math, a measure of how a function changes.
Example
The film was criticized for being too derivative of earlier works.
C1 noun /ˈstɪmjʊlənt/

stimulant

Meaning
A substance that raises levels of physiological or nervous activity in the body.
Example
Coffee is a common stimulant that helps people stay awake.
C1 adjective /ˌsɛlf ɪˈfeɪsɪŋ/

self-effacing

Meaning
not drawing attention to oneself; modest
Example
Despite his success, he remained self-effacing and humble.
C1 adjective /dɪˈvaʊt/

devout

Meaning
Deeply religious or sincere.
Example
He is a devout believer who prays every day.
C1 adjective /ˈlʌʃəs/

luscious

Meaning
deliciously sweet or rich; highly appealing to the senses
Example
She served a luscious chocolate cake.
C1 noun /ˌprɑːfɪˈtɪr/

profiteer

Meaning
a person who makes excessive profits, especially unfairly or illegally
Example
The government punished war profiteers.
C1 adjective /ˈpjuː.nɪ.tɪv/

punitive

Meaning
Inflicting or intended as punishment.
Example
The company faced punitive measures for violating the law.
C1 adjective /stiːpt/

steeped

Meaning
Completely surrounded by or filled with a particular quality, influence, or experience.
Example
The town is steeped in history and tradition.
C1 verb /ɪˈluːmɪneɪt/

illuminate

Meaning
To light up or make something clearer.
Example
Streetlights illuminate the road at night.
C1 noun ˈiːkəʊˌsɪstəm ˈsɜːvɪsɪz

ecosystem services

Meaning
The benefits people obtain from ecosystems.
Example
Forests provide valuable ecosystem services, such as purifying air and water.
C1 noun /ˌɪntəkəˈnɛktɪvɪti/

interconnectivity

Meaning
The state of being interconnected or the degree of connectivity between components
Example
The rise of interconnectivity has transformed global communication.
C1 verb /ˈvæŋkwɪʃ/

vanquish

Meaning
to defeat thoroughly, especially in battle or competition
Example
The army vanquished its enemies with superior strategy.
C1 noun /ˈɪnstɪˌɡeɪtər/

instigator

Meaning
A person who brings about or initiates something, usually something bad.
Example
The police identified him as the instigator of the violence.
C1 verb /ˈkrɪsən/

christen

Meaning
to give a name to someone at baptism or to name something officially
Example
They christened the ship after the queen.
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 noun /poʊˈlær.ɪ.ti/

polarity

Meaning
the state of having two opposite or contradictory tendencies, opinions, or aspects
Example
The polarity between the two political parties is growing stronger.
C1 noun prɪˌsɪp.ɪˈteɪ.ʃən

precipitation

Meaning
Rain, snow, sleet, or hail that falls to or condenses on the ground.
Example
Annual precipitation levels are decreasing.
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 verb /ɛmˈbɛzəl/

embezzle

Meaning
to steal or misuse money or property entrusted to one's care
Example
The accountant was arrested for embezzling company funds.
C1 noun /luː/

lieu

Meaning
Instead of; in place of.
Example
He gave money in lieu of flowers.
C1 verb, noun /dɪsˈkrɛdɪt/

discredit

Meaning
To harm the reputation of someone or something; loss of respect or credibility.
Example
The scandal discredited the politician in the eyes of the public.
C1 adjective /ˈpɪt.i.ləs/

pitiless

Meaning
showing no pity or compassion; cruel
Example
The pitiless ruler ignored the suffering of his people.
C1 noun /rɪdʒ/

ridge

Meaning
a long, narrow hilltop, mountain range, or raised strip
Example
We walked along the mountain ridge.
C1 adverb /ˈvælɪdli/

validly

Meaning
in a legally, logically, or officially acceptable manner
Example
The contract was validly signed by both parties.
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 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.
C1 noun /ˈiː.zi tʃeər/

Easy-chair

Meaning
a comfortable chair with arms and a back that reclines
Example
He relaxed in his favorite easy-chair after work.
C1 noun /kæʃ/

cache

Meaning
A hidden storage of items or a high-speed memory in computing.
Example
The hikers found a cache of supplies hidden under the rocks.
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.
C1 noun /ˈlɪrɪk/

lyric

Meaning
the words of a song or a short poem that expresses personal feelings
Example
She memorized every lyric of her favorite song.
C1 adjective /ˈwɪr.i.səm/

Wearisome

Meaning
causing tiredness; tedious; boring and exhausting
Example
The wearisome journey took twelve hours to complete.
C1 adjective /ˌsɛlf ˈraɪtʃəs/

self-righteous

Meaning
Having or showing an attitude of moral superiority; believing one’s own beliefs are the only right ones.
Example
His self-righteous comments made everyone uncomfortable.
C1 adjective /ˈsʌbstəntɪv/

substantive

Meaning
Having a firm basis in reality; important, meaningful, or considerable.
Example
The company made substantive changes to its policy.
C1 verb /ˌdɪsəˈlaʊ/

disallow

Meaning
to refuse to allow or accept something
Example
The referee disallowed the goal for offside.
C1 noun /ˈspaɪər/

spire

Meaning
a tall, pointed structure on top of a building, especially a church
Example
The church spire could be seen from miles away.
C1 adjective /ɪnˈstɪŋk.tɪv/

instinctive

Meaning
Based on instinct; done without conscious thought; natural and automatic.
Example
His instinctive reaction saved his life.
C1 adjective ˈkʌm.bə.səm

cumbersome

Meaning
Heavy, unwieldy, difficult to handle or carry.
Example
The cumbersome luggage slowed him down.
C1 adverb /ɪnˈvɜːrs.li/

Inversely

Meaning
in a way that is opposite or contrary; in reverse order or manner
Example
The price of goods is inversely related to their availability in the market.
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.
C1 verb /ˈmɑːrʃəl/

marshal

Meaning
To arrange or organize people, events, or resources in an orderly way.
Example
The teacher marshaled the students for the field trip.
C1 verb /ˈoʊvərˌhɔːl/

overhaul

Meaning
to examine thoroughly and repair or improve something that is worn or ineffective
Example
The company decided to overhaul its outdated computer system.
C1 adjective /ɪmˈpæsɪv/

impassive

Meaning
Not showing or feeling emotion; expressionless.
Example
Despite the shocking news, she remained impassive.
C1 verb /ɡɔːr/

gore

Meaning
to pierce with horns or tusks; spilled blood
Example
The bull gored the matador during the fight.
C1 noun /lʌmp/

Lump

Meaning
a compact mass of a substance, especially one without a definite or regular shape
Example
She found a lump of sugar in the bowl.
C1 noun /ˈvɔːrtɛks/

vortex

Meaning
A mass of whirling fluid or air, especially a whirlpool or whirlwind.
Example
The plane was caught in a dangerous vortex of air.
C1 verb /ˌriːˈsiːt/

reseat

Meaning
to seat someone again or to fit something back into its place
Example
The usher had to reseat the guests after the interruption.
C1 noun /kənˈdəʊləns/

condolence

Meaning
An expression of sympathy, especially on the occasion of death.
Example
She offered her sincere condolence to the grieving family.
C1 adjective /ɪˈnæmərd/

enamored

Meaning
filled with love or admiration
Example
He became enamored with classical music after attending the concert.
C1 noun/verb /ˈoʊvərˌhæŋ/

overhang

Meaning
To extend outward and hang over something; a projecting part.
Example
The roof overhang provides shade in the summer.
C1 noun /ˌɪnkəmˌpætəˈbɪlɪti/

incompatibility

Meaning
the state of being unable to exist or work together harmoniously; lack of compatibility
Example
The project failed because of incompatibility between the two software systems.
C1 noun /ˈraɪtʃəsnəs/

righteousness

Meaning
the quality of being morally right or justifiable
Example
His life was dedicated to righteousness and truth.
C1 adjective /ˈbeɪs.ləs/

Baseless

Meaning
without foundation; groundless; unfounded
Example
The accusations against him were completely baseless.
C1 adjective /ˌɪnˌkɒnsɪˈkwɛnʃəl/

inconsequential

Meaning
Not important or significant; too small to matter.
Example
The mistake was minor and inconsequential.
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 /kɪˈnɛtɪk/

kinetic

Meaning
Relating to or resulting from motion.
Example
Kinetic energy increases as the object moves faster.
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 noun /ˈruː.bi/

Ruby

Meaning
a precious red gemstone; a deep red variety of corundum
Example
The ruby ring was her most treasured possession.
C1 noun /ˈspɛkjʊˌleɪtər/

speculator

Meaning
A person who forms theories without evidence, or invests in assets hoping for profit.
Example
The real estate speculator bought land hoping its value would rise.
C1 adjective /ˈen.vi.əs/

Envious

Meaning
feeling or showing envy; jealous
Example
She felt envious of her friend's new car.
C1 noun /ˈkjuːmɪn/

Cumin

Meaning
A spice made from the dried seeds of a plant in the parsley family, with a warm earthy flavor
Example
Cumin is an essential spice in Indian and Middle Eastern cooking.
C1 adjective /ˈsɛnʃənt/

sentient

Meaning
Able to perceive or feel things.
Example
Humans are sentient beings capable of reasoning.
C1 adjective /ˌɪntəˈrɑːɡətɪv/

interrogative

Meaning
Relating to or conveying a question; in grammar, used to form questions.
Example
She raised an interrogative eyebrow when she heard the news.
C1 verb /ˌoʊvərˈpaʊər/

overpower

Meaning
To defeat or gain control over someone or something by using greater strength or force.
Example
The soldiers managed to overpower the enemy forces.
C1 noun /ˈhɑː.mɪ.saɪd/

Homicide

Meaning
the deliberate and unlawful killing of one person by another; murder
Example
The detective was assigned to investigate the homicide that occurred downtown last night.
C1 noun /weɪ/

Whey

Meaning
the watery part of milk that separates from the curds when making cheese
Example
Whey protein is popular among athletes and bodybuilders.
C1 noun /ˈmelənkəli/

Melancholy

Meaning
A feeling of pensive sadness; thoughtful or gentle sadness
Example
A deep melancholy settled over him after reading the old letters.
C1 adjective /kənˈvɜːrdʒənt/

convergent

Meaning
tending to move toward a common point or result
Example
The two rivers have a convergent path before entering the lake.
C1 noun ˈkɔː.pəs

corpus

Meaning
A large collection of linguistic data used for language analysis and research.
Example
Linguists use a corpus to analyze language patterns.
C1 verb /kəmˈprɛs/

compress

Meaning
to press or squeeze something so that it becomes smaller
Example
The file was compressed to save storage space.
C1 noun /mɪˈlɪʃə/

militia

Meaning
a group of ordinary people who are trained to act as soldiers in emergencies
Example
The village formed a militia to defend against attacks.
C1 adjective /kəmˈpleɪsənt/

complacent

Meaning
showing self-satisfaction and a lack of concern about potential dangers or problems
Example
The team grew complacent after a few victories and stopped practicing hard.
C1 noun /nɑːtʃ/

notch

Meaning
A small cut or groove on the edge or surface of something; a level or degree of achievement.
Example
He carved a notch on the stick to mark the days.
C1 adjective /əbˈsɛsɪv/

obsessive

Meaning
Relating to or characterized by an obsession; thinking about something too much.
Example
He has an obsessive interest in cleanliness.
C1 noun /ˈef.ɪ.dʒi/

Effigy

Meaning
a sculpture or model of a person, especially one made as a protest
Example
The protesters burned an effigy of the corrupt politician in the square.
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 /məˈkɑː.brə/

Macabre

Meaning
disturbing because concerned with death; gruesome and horrifying
Example
The horror movie had a macabre atmosphere.
C1 adjective /ˈpɜːrtɪnənt/

pertinent

Meaning
Relevant or applicable to a particular matter.
Example
She asked a pertinent question during the meeting.
C1 noun /ˈneɪ.vəl fɔːrs/

Naval Force

Meaning
the branch of a nation's armed services that conducts military operations at sea
Example
The naval force protected the country's coastline from enemy attacks.
C1 verb, noun /klɑːɡ/

clog

Meaning
to block or become blocked; a type of heavy wooden shoe
Example
The sink was clogged with food waste.
C1 noun /ˈhaɪ.drəʊˌpaʊər ˌdʒen.əˈreɪ.ʃən/

hydropower generation

Meaning
The production of electrical power through the use of the gravitational force of falling or flowing water.
Example
Hydropower generation promotes green energy.
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, adjective /ˈpɑːrtɪzən/

partisan

Meaning
A strong supporter of a party, cause, or person; showing biased allegiance.
Example
The debate quickly turned partisan, with each side defending their own agenda.
C1 noun /ˈkɑːrtrɪdʒ/

cartridge

Meaning
A container holding a substance or device, such as ink for printers or bullets for firearms.
Example
The printer stopped working because the ink cartridge was empty.
C1 noun /ˈnjuːtrɪənt dɪˈfɪʃənsi/

nutrient deficiency

Meaning
A lack of essential nutrients required for healthy plant growth, which can result in poor crop development, reduced yields, and increased susceptibility to diseases.
Example
Nutrient deficiency in the soil can reduce crop productivity.
C1 noun /ɡʌl/

Gull

Meaning
a seabird with webbed feet, long wings, and usually white and gray feathers
Example
The gull swooped down to grab the fish from the water.
C1 adjective /ˈboʊɡəs/

bogus

Meaning
false, fake, or not genuine
Example
The police arrested him for using a bogus ID card.
C1 adjective /ˈædəmənt/

Adamant

Meaning
একগুঁয়ে; জেদী; দৃঢ়সংকল্প; অনমনীয়;
Example
She was adamant about her decision to leave the company.
C1 verb /sɪft/

sift

Meaning
to separate or sort through carefully, often using a sieve or by examining closely
Example
She sifted the flour before adding it to the cake mixture.
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 /ɪnˈdʌstriəs/

industrious

Meaning
Hardworking and diligent in one's duties.
Example
She is an industrious student who always completes her assignments on time.
C1 adverb, adjective /ˌɪnkɑːɡˈniːtoʊ/

incognito

Meaning
In disguise or with one's identity concealed.
Example
The celebrity traveled incognito to avoid the paparazzi.
C1 adjective /ˈtrænzvɜːrs/

transverse

Meaning
situated or lying across something
Example
The transverse road connects two highways.
C1 noun /ˈruːbrɪk/

rubric

Meaning
A set of instructions, rules, or a heading in a document, often used for grading criteria.
Example
The teacher provided a grading rubric for the assignment.
C1 noun /moʊl/

Mole

Meaning
a small burrowing mammal with tiny eyes and soft fur
Example
The mole dug tunnels under the garden.
C1 noun /bɒɡ/

bog

Meaning
an area of wet, spongy ground; a swamp or marsh
Example
The hikers got stuck in a bog.
C1 adjective /klæd/

clad

Meaning
dressed or covered in a particular way
Example
The knight was clad in shining armor.
C1 noun /ɪnˌkɑːsəˈreɪʃən/

incarceration

Meaning
the state of being imprisoned or confined
Example
The criminal faced years of incarceration for his crimes.
C1 adjective /ˈpɔːrəs/

porous

Meaning
Having tiny holes that allow liquid or air to pass through.
Example
The soil is very porous and drains quickly.
C1 noun /ˌdʒuː.bɪˈleɪ.ʃən/

jubilation

Meaning
a feeling or expression of great happiness and triumph
Example
There was jubilation in the streets after the victory.
C1 adjective /ˈzoʊ.nəl/

Zonal

Meaning
relating to or arranged in zones; of, relating to, or having the form of a zone
Example
The city implemented a zonal parking system to manage traffic congestion.
C1 noun ˈtɑksɪk ɪˈmɪʃənz

toxic emissions

Meaning
Harmful or poisonous substances released into the environment, especially the atmosphere.
Example
Toxic emissions from vehicles pollute the atmosphere.
C1 adjective ʌnˈpær.ə.leld

Unparalleled

Meaning
Having no equal; unmatched, peerless, and supreme in quality or achievement.
Example
The unparalleled beauty of the Taj Mahal amazes visitors.
C1 adjective /rɪˈsɜːrdʒənt/

resurgent

Meaning
Becoming strong, active, or popular again.
Example
The resurgent economy gave hope to many businesses.
C1 noun /fɪˈlæn.θrə.pɪst/

philanthropist

Meaning
a person who seeks to promote the welfare of others, especially by donating money to good causes
Example
The philanthropist donated millions to build schools in rural areas.
C1 verb /ˌrekəˈlekt/

recollect

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

slouch

Meaning
To stand, sit, or move in a lazy or awkward way.
Example
He slouched in the chair, looking tired.
C1 verb /ˈsaɪdˌtræk/

sidetrack

Meaning
To distract from the main subject or activity.
Example
She was sidetracked by an unexpected phone call.
C1 noun /əˈlɜːrtnəs/

alertness

Meaning
the state of being mentally aware and quick to notice or respond; vigilance
Example
The driver maintained a high level of alertness during the long journey.
C1 verb /dɪˈfaɪl/

defile

Meaning
to pollute, corrupt, or make dirty
Example
The river was defiled by industrial waste.