teeter
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C1 verb /ˈtiːtər/

teeter

Meaning
to move or balance unsteadily; to wobble
Example
The glass began to teeter on the edge of the table.
C1 noun /ˌɪn.trəˈvɜːr.ʒən/

introversion

Meaning
The tendency to be inward-looking and shy, preferring solitary activities.
Example
Her introversion made it difficult for her to enjoy large parties.
C1 adjective /ɪˈnɜːrt/

inert

Meaning
lacking the ability or strength to move or act; chemically inactive
Example
The patient remained inert on the bed.
C1 adjective /ɪmˈpɜːrviəs/

impervious

Meaning
Not allowing fluid to pass through; unable to be affected by something.
Example
The jacket is impervious to rain.
C1 noun /əˌfɪl.iˈeɪ.ʃən/

affiliation

Meaning
The state or process of affiliating or being affiliated; a connection or association.
Example
His affiliation with the company lasted for a decade.
C1 adjective /ˈkwɑː.drʊ.pəl/

Quadruple

Meaning
four times as much or as many; consisting of four parts
Example
The company's profits have shown quadruple growth this year.
C1 adjective /ɪˈrɒtɪk/

erotic

Meaning
relating to or tending to arouse sexual desire or excitement
Example
The novel contained several erotic scenes.
C1 noun /ˈhɑː.mə.nɪm/

homonym

Meaning
A word that is spelled and pronounced like another word but has a different meaning.
Example
The word 'bat' is a homonym because it can mean an animal or a sports tool.
C1 verb /ˈtrɪkl̩/

trickle

Meaning
To flow or fall in a small, slow stream or drops.
Example
Water began to trickle down the wall after the heavy rain.
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 adverb /ˈɡeɪ.li/

Gaily

Meaning
in a cheerful and lively manner
Example
The children danced gaily at the festival.
C1 noun /ˈwɜːkmənʃɪp/

workmanship

Meaning
The skill with which something is made or the quality of something made.
Example
The workmanship of the handmade furniture was impeccable.
C1 adverb /ˌhɛdˈfɜrst/

headfirst

Meaning
With the head leading; in a reckless or hasty manner.
Example
He dived headfirst into the pool.
C1 verb ˌæs.ɚˈteɪn

ascertain

Meaning
To find out or discover something with certainty; to verify.
Example
The police tried to ascertain the cause of the accident.
C1 noun /ˈlɪbərəlɪzəm/

liberalism

Meaning
a political and social philosophy advocating individual freedoms, democracy, and equality
Example
Liberalism emphasizes freedom of speech and human rights.
C1 verb /ˌʌndəˈreɪt/

underrate

Meaning
to fail to recognize the full value or importance of something or someone
Example
Many people underrate the benefits of regular exercise.
C1 noun /ˈstaɪpend/

Stipend

Meaning
a fixed regular sum paid as a salary or allowance
Example
The research student receives a monthly stipend for living expenses.
C1 adjective /ˌɪrɪˈprɛsəbl̩/

irrepressible

Meaning
Impossible to control or restrain.
Example
She had an irrepressible urge to laugh during the speech.
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 /ˈkaʊn.tə.nəns/

countenance

Meaning
a person's face or expression; support or approval
Example
Her cheerful countenance brightened the room.
C1 adjective /juːˈbɪkwɪtəs/

ubiquitous

Meaning
Existing or being everywhere at the same time.
Example
Social media has become ubiquitous among young people.
C1 adjective /fəˈnætɪkəl/

fanatical

Meaning
showing extreme enthusiasm or obsession
Example
She has a fanatical interest in collecting vintage stamps.
C1 noun ˈdɛtrɪ.mənt

detriment

Meaning
Harm, damage, impairment.
Example
Smoking is a detriment to health.
C1 verb bɪˈkwiːð

bequeath

Meaning
Leave something to someone in a will; pass down or hand down to the next generation.
Example
The scientist bequeathed his research papers to the university.
C1 noun /hʌl/

hull

Meaning
The outer covering of a seed or fruit; also the main body of a ship.
Example
The sailors inspected the ship’s hull for any damage.
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 /kwɪnˈtɛsəns/

quintessence

Meaning
The purest or most perfect example of something.
Example
She is the quintessence of elegance.
C1 noun prəˈkjʊrmənt

procurement

Meaning
The action of obtaining or procuring something, especially for official purposes.
Example
The procurement of modern equipment has improved research accuracy.
C1 adjective /ˈɜːrksəm/

irksome

Meaning
annoying or irritating
Example
Waiting in a long line is one of the most irksome tasks.
C1 adjective /ˈbreɪzən/

brazen

Meaning
Bold and without shame; shameless.
Example
She made a brazen attempt to lie in front of everyone.
C1 noun /ˈpɒp.i siːdz/

Poppy Seeds

Meaning
tiny round seeds from the poppy plant used as a spice or garnish in cooking
Example
Poppy seeds are sprinkled on top of breads and used in Bengali curries.
C1 verb /mɑːrd/

marred

Meaning
to spoil or damage the quality or appearance of something
Example
The celebration was marred by bad weather.
C1 noun /ˈdræm.ə.tɪst/

dramatist

Meaning
a person who writes plays
Example
Shakespeare is one of the greatest dramatists in history.
C1 noun /fiˈæs.koʊ/

fiasco

Meaning
a complete failure, especially a ludicrous or humiliating one
Example
The event turned into a complete fiasco due to poor planning.
C1 adjective /ˈædʒɪteɪtɪd/

Agitated

Meaning
disturbed; anxious; restless; excited in a negative way
Example
He became agitated when he heard the bad news.
C1 noun ˈɪn.fər.əns

inference

Meaning
A conclusion reached on the basis of evidence and reasoning; logical deduction.
Example
Scientists make inferences based on experimental data.
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 adjective /ˈhæloʊd/

hallowed

Meaning
regarded as holy or greatly respected
Example
They walked across the hallowed halls of the old university.
C1 noun /ˈdaɪhɑːrd/

diehard

Meaning
A person who strongly resists change and remains loyal to a belief or cause.
Example
He is a diehard fan of classic rock music.
C1 noun /beɪl/

bale

Meaning
A large bundle of goods tightly wrapped and bound.
Example
The workers loaded the bale of cotton onto the truck.
C1 verb /deɪz/

daze

Meaning
to stun or confuse someone temporarily with a shock or surprise
Example
The bright lights dazed the runners as they entered the stadium.
C1 noun /prəˌlɪf.əˈreɪ.ʃən/

proliferation

Meaning
Rapid increase in the number or amount of something; rapid multiplication or growth.
Example
The proliferation of malware is a growing concern.
C1 noun /səˈrɛn.ɪ.ti/

serenity

Meaning
The state of being calm, peaceful, and untroubled.
Example
Meditation helps in achieving inner serenity.
C1 adjective /ɛsˈθɛtɪk/

esthetic

Meaning
Concerned with beauty or the appreciation of beauty.
Example
The building’s esthetic design attracted many visitors.
C1 verb /ˈlɪŋɡər/

linger

Meaning
to stay in a place longer than necessary; to persist
Example
The smell of coffee lingered in the kitchen.
C1 verb /ˈpærəfreɪz/

paraphrase

Meaning
To express the meaning of something using different words, often to make it clearer.
Example
The teacher asked the students to paraphrase the poem in their own words.
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 adjective /ʃruːd/

Shrewd

Meaning
having or showing sharp powers of judgment; astute
Example
The shrewd businessman made a profitable deal in the competitive market.
C1 adjective /ˌæprɪˈhɛnsɪv/

apprehensive

Meaning
feeling anxious or fearful that something bad will happen
Example
He was apprehensive about starting a new job in a foreign country.
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 adjective /ˈdrɪəri/

dreary

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

Uniformity

Meaning
the quality of being uniform; consistency or sameness
Example
The uniformity of the design created a pleasing visual effect.
C1 verb/noun /ˈkrɒn.ɪ.kəl/

chronicle

Meaning
To record events in the order in which they happened; a written record of historical events.
Example
She decided to chronicle her journey through a blog.
C1 noun /ˈkɑːrkəs/

carcass

Meaning
the dead body of an animal, especially after being slaughtered
Example
Vultures fed on the carcass left in the field.
C1 verb /prəˈfes/

profess

Meaning
to declare or claim openly; to state one's belief
Example
He professes his love for classical music.
C1 noun /ˈkænən/

canon

Meaning
A general law, rule, principle, or collection of sacred books accepted as genuine.
Example
The book is now considered part of the literary canon.
C1 verb /ˈæɡənaɪz/

agonize

Meaning
To suffer extreme physical or mental pain; to spend time worrying.
Example
She agonized for days over whether she had made the right decision.
C1 adjective /ɪˈvɒkətɪv/

evocative

Meaning
bringing strong images, memories, or feelings to mind
Example
The music was evocative of her childhood memories.
C1 adjective /ˈsɪnləs/

Sinless

Meaning
free from sin; pure and innocent; without moral fault
Example
The innocent child appeared sinless in her pure white dress.
C1 noun /noʊˈbɪl.ə.ti/

Nobility

Meaning
the quality of being noble in character; people of noble rank
Example
He showed great nobility in forgiving his enemies.
C1 adjective /ˌfɪl.hɑːrˈmɒn.ɪk/

philharmonic

Meaning
relating to a symphony orchestra or its music
Example
The philharmonic orchestra performed a stunning rendition of Beethoven's Ninth Symphony.
C1 noun lɪˈkwɪd.ə.ti

liquidity

Meaning
The availability of liquid assets to a market or company; the ability to convert assets into cash quickly.
Example
Maintaining liquidity is crucial for financial stability.
C1 noun /ˈpɪt.əns/

pittance

Meaning
a very small or inadequate amount of money
Example
She worked long hours for a mere pittance.
C1 adjective /sɔɪld/

soiled

Meaning
dirty or stained; not clean
Example
His clothes were soiled after playing in the mud.
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 /ˈʌp.ʃɒt/

Upshot

Meaning
the final result or outcome of a series of events; conclusion
Example
The upshot of the meeting was a decision to postpone the project.
C1 noun /əˈlʌmnəs/

alumnus

Meaning
a former student or graduate of a school, college, or university
Example
He is an alumnus of Harvard University.
C1 noun /ˈfɛlən/

felon

Meaning
a person who has committed a serious crime
Example
The felon was sentenced to ten years in prison.
C1 noun /stents/

stents

Meaning
Small mesh tubes used to treat narrow or blocked arteries.
Example
Stents were successfully placed using robotic techniques.
C1 noun prəˈfaʊnd ɪˈnɪʃətɪv

profound initiative

Meaning
A deep, meaningful, and significant action or program designed to create change.
Example
A profound initiative can create sustainable changes.
C1 noun /ɪˈklɪps/

Eclipse

Meaning
an obscuring of light from one celestial body by another; a decline or loss
Example
The total solar eclipse darkened the sky for several minutes.
C1 noun /ˌpɑːrʃiˈæləti/

partiality

Meaning
an unfair preference or bias toward one side or person
Example
The judge was criticized for showing partiality in the case.
C1 adjective /ˈwer.i/

Wary

Meaning
cautious; careful to avoid danger or problems
Example
She was wary of strangers approaching her at night.
C1 adjective ɪkˈskwɪzɪt

exquisite

Meaning
Extremely beautiful and delicate.
Example
The exquisite craftsmanship of the watch made it a collector's item.
C1 adjective /ˈpɜːrmiəbl̩/

permeable

Meaning
allowing liquids or gases to pass through
Example
The soil in this area is very permeable to water.
C1 adjective /ɪˈneɪn/

inane

Meaning
lacking sense, meaning, or significance; silly or pointless
Example
The movie was criticized for its inane dialogue.
C1 noun ɪˌræd.ɪˈkeɪ.ʃən

eradication

Meaning
The complete destruction or elimination of something unwanted.
Example
Carbon eradication is a key goal of the project.
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 noun /ˌmjuːnɪsɪˈpæləti/

municipality

Meaning
a city or town that has its own local government
Example
The municipality is planning to build a new library.
C1 verb /ɪnˈdaʊ/

endow

Meaning
To provide with a quality, ability, or gift; to donate funds for a purpose.
Example
The university was endowed with a generous donation.
C1 verb, noun /ˈbʌsəl/

bustle

Meaning
to move in an energetic or noisy manner; busy activity in a place
Example
The marketplace bustled with vendors and customers.
C1 noun /ˈbeɪlɪf/

bailiff

Meaning
An official who keeps order in a court, carries out court orders, or collects debts.
Example
The bailiff asked everyone to rise as the judge entered the courtroom.
C1 noun /ˈtrænsfərəns/

transference

Meaning
The act of moving something from one place, person, or situation to another.
Example
The transference of knowledge is essential in education.
C1 adverb /ˈiːstwədz/

Eastwards

Meaning
towards the east; in an eastern direction
Example
The river flows eastwards into the ocean.
C1 noun ˌflʌk.tʃuˈeɪ.ʃən

fluctuation

Meaning
An irregular rising and falling in number or amount; a variation.
Example
The stock market experiences frequent fluctuation.
C1 noun /ˈkɔːrdən/

cordon

Meaning
a line or circle of police, soldiers, or guards preventing access
Example
The police set up a cordon around the crime scene.
C1 adjective /dɪˈreɪndʒd/

deranged

Meaning
mentally disturbed or insane; behaving irrationally
Example
The deranged man shouted nonsense in the street.
C1 noun /mælˈpræktɪs/

Malpractice

Meaning
Improper, illegal, or negligent professional behavior
Example
The surgeon was sued for malpractice after the failed operation.
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 noun /ˈweɪ.stɪdʒ/

Wastage

Meaning
the action of using or expending something carelessly or without purpose
Example
The company reduced food wastage by implementing better inventory management.
C1 adjective/verb /ˈwɒrəntɪd/

warranted

Meaning
Justified or authorized under the circumstances.
Example
Her anger was warranted after the unfair treatment.
C1 noun /ˈpɒlɪɡɒn/

polygon

Meaning
a flat shape with three or more straight sides
Example
The artist drew a colorful polygon on the canvas.
C1 adjective /ˈhɔː.ti/

Haughty

Meaning
arrogantly superior and disdainful; showing excessive pride
Example
She gave him a haughty look and walked away.
C1 verb /ˌriːˈvaɪ.t̬əl.aɪz/

revitalize

Meaning
To restore energy and effectiveness to something.
Example
The new policies aim to revitalize the economy.
C1 noun /streɪt/

strait

Meaning
A narrow passage of water connecting two seas or two large areas of water.
Example
The Strait of Gibraltar connects the Atlantic Ocean and the Mediterranean Sea.
C1 verb ˈrɛk.tɪ.faɪ

rectify

Meaning
To correct mistakes or make something right.
Example
The company took steps to rectify its financial mistakes.
C1 noun /ˌɒbstəˈtrɪʃən/

obstetrician

Meaning
A doctor specializing in pregnancy, childbirth, and women's reproductive health.
Example
The obstetrician monitored the mother’s health throughout the pregnancy.
C1 noun /rɪˈdʒɪdəti/

Rigidity

Meaning
inability to bend or be forced out of shape; unwillingness to change or compromise
Example
The rigidity of the old system prevented any innovation.
C1 adjective /məˈkɑː.brə/

Macabre

Meaning
disturbing because concerned with death; gruesome and horrifying
Example
The horror movie had a macabre atmosphere.
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 noun /ˌplɔː.zəˈbɪl.ə.ti/

plausibility

Meaning
The quality of being reasonable or probable.
Example
The plausibility of his explanation convinced the jury.
C1 adjective, noun /rɪˈsiːvəbl/

receivable

Meaning
Money that is owed to a company and is expected to be paid.
Example
The company's receivables increased significantly this quarter.
C1 noun /sloʊθ/

Sloth

Meaning
laziness; reluctance to work or make an effort
Example
His sloth prevented him from achieving his goals.
C1 noun /ˌɪntərˈmiːdiˌɛri/

intermediary

Meaning
A person who acts as a link between people in order to try to bring about an agreement; a mediator.
Example
The diplomat served as an intermediary between the two conflicting nations.
C1 verb /kraʊtʃ/

crouch

Meaning
to bend your knees and lower your body close to the ground
Example
The cat crouched before leaping at its prey.
C1 noun /ˈpɪk.æks/

Pick-axe

Meaning
a tool with a heavy metal head and long handle used for breaking up hard ground or rock
Example
The miner used a pick-axe to break through the rocky surface.
C1 noun /ˈmedoʊ/

Meadow

Meaning
A piece of grassland, especially one used for hay
Example
The cows grazed peacefully in the green meadow.
C1 adjective /ˈbeɪs.ləs/

Baseless

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

tact

Meaning
Adroitness and sensitivity in dealing with others or with difficult issues.
Example
He handled the situation with tact and professionalism.
C1 noun /ˈsɪstərn/

cistern

Meaning
A tank or container for storing water, usually for household use.
Example
The old house still had a cistern to collect rainwater.
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 /ɪɡˈzɪləreɪtɪŋ/

exhilarating

Meaning
Making someone feel very excited, happy, or thrilled.
Example
Skydiving was the most exhilarating experience of his life.
C1 verb /ˈswɪndl/

swindle

Meaning
to cheat someone out of money or possessions by deceit
Example
The con artist tried to swindle the old man out of his savings.
C1 noun /ˈklæmər/

clamor

Meaning
a loud and confused noise, especially of people shouting insistently
Example
The clamor of the protesting crowd filled the square.
C1 verb /ɪmˈpɒvərɪʃ/

impoverish

Meaning
To make someone poor or reduce the quality or richness of something.
Example
The long war impoverished the entire nation.
C1 adjective /ˈtæŋ.i/

tangy

Meaning
Having a strong, sharp, and pleasantly biting flavor or taste.
Example
The sauce had a tangy flavor that brightened the dish.
C1 noun /ˈskælpəl/

scalpel

Meaning
A small and extremely sharp bladed instrument used for surgery and dissection.
Example
The surgeon carefully used a scalpel to make the first incision.
C1 verb /ˈstɪntɪŋ/

stinting

Meaning
to supply sparingly or with restrictions
Example
He never stinting his efforts to help the poor.
C1 adjective /ˈteɪn.tɪd/

Tainted

Meaning
contaminated or affected by something bad or undesirable
Example
The water supply was tainted with harmful chemicals.
C1 noun /djʊˈrɛs/

duress

Meaning
threats, violence, or pressure used to force someone to do something
Example
She signed the contract under duress.
C1 noun /ɡruːv/

groove

Meaning
a long narrow cut or depression, or a rhythmic pattern in music
Example
The DJ kept the crowd dancing to the groove.