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C1 verb/adjective /dɪˈdʒɛnəreɪt/

degenerate

Meaning
To decline or deteriorate in quality, character, or condition; or someone with low moral standards.
Example
The once thriving empire began to degenerate into chaos.
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 verb /ˈfɜːrmɛnt/

ferment

Meaning
to undergo a chemical process where sugars are converted to alcohol or acid; to incite or stir up change
Example
The grapes are left to ferment for several weeks.
C1 noun /trænsˈɡrɛʃən/

transgression

Meaning
an act that goes against a law, rule, or code of conduct; a violation or sin
Example
The court forgave his first transgression but warned him not to repeat it.
C1 adjective /ˈækʃənəbl̩/

actionable

Meaning
Able to be acted on or giving sufficient reason for legal action.
Example
The lawyer confirmed that the evidence was actionable in court.
C1 adjective /ˈstrætɪfaɪd/

stratified

Meaning
arranged or classified in layers or strata
Example
Society in the past was highly stratified based on class and wealth.
C1 verb কনডেন্স

condense

Meaning
To change from gas to liquid form; to become denser.
Example
Water vapor condenses into raindrops.
C1 noun /kənˈfaɪnmənt/

confinement

Meaning
the state of being confined or restricted
Example
The prisoner endured years of confinement.
C1 verb /ɡliːn/

glean

Meaning
to collect or gather slowly and bit by bit, especially information or crops left after harvest
Example
The journalist gleaned facts from several sources.
C1 adjective /ˈneɪzl/

nasal

Meaning
Relating to the nose; a sound produced through the nose.
Example
He spoke with a nasal voice due to his cold.
C1 verb /dɪsˈkwɑːlɪfaɪ/

disqualify

Meaning
to officially prevent someone from participating or being eligible
Example
The referee decided to disqualify the player for cheating.
C1 noun ˈpɑː.sɪŋ

parsing

Meaning
The process of analyzing sentence structure to understand grammatical relationships.
Example
The AI model performs parsing to understand syntax.
C1 noun /ˈrem.nənt/

Remnant

Meaning
a small remaining quantity of something; a piece of cloth left over after the main piece has been used
Example
Only a remnant of the ancient wall remains.
C1 noun ˌhaɪ.pɚˈten.ʃən

hypertension

Meaning
Abnormally high blood pressure.
Example
High sodium intake leads to hypertension.
C1 noun /əˈpɒlədʒɪst/

apologist

Meaning
a person who defends or justifies something, often a controversial belief or institution
Example
He is known as an apologist for authoritarian regimes.
C1 noun /ˈɪnˌmeɪt/

inmate

Meaning
a person confined to an institution such as a prison or hospital
Example
The prison has over a thousand inmates.
C1 adjective /ɪnˈæk.tɪv/

Inactive

Meaning
not active; not working; dormant; idle
Example
The volcano has been inactive for over a century.
C1 verb /ˈfɔːltər/

falter

Meaning
to hesitate or lose strength or momentum
Example
Her voice faltered as she delivered the speech.
C1 noun /ˈɛn.kleɪv/

enclave

Meaning
a distinct area or group enclosed within a larger one
Example
The city has a small Italian enclave where traditions are preserved.
C1 adjective /kənˈtraɪvd/

contrived

Meaning
artificial or forced; not natural or spontaneous
Example
The ending of the movie felt contrived and unrealistic.
C1 verb/noun /skɒtʃ/

scotch

Meaning
to put an end to something; also a type of whisky
Example
The report scotched the rumors of a merger.
C1 noun /ˈɛf.ɪ.kə.si/

efficacy

Meaning
The ability to produce a desired or intended result; effectiveness.
Example
The efficacy of the vaccine has been proven in trials.
C1 noun/adjective /kənˈfɛdərət/

confederate

Meaning
a person, group, or state joined in an alliance or union; relating to a confederacy
Example
The confederate soldiers fought bravely in the war.
C1 adjective /ˈsaʊnd.pruːf/

Sound-proof

Meaning
impervious to sound; preventing sound from entering or leaving
Example
The recording studio has sound-proof walls.
C1 noun /ˈsɛmbləns/

Semblance

Meaning
the outward appearance or apparent form of something, especially when the reality is different
Example
There was only a semblance of order in the chaotic office.
C1 noun/verb /hɛm/

hem

Meaning
the edge of a piece of cloth that is folded and sewn; to fold and sew the edge of cloth
Example
She hemmed the dress to make it shorter.
C1 noun /træns/

trance

Meaning
a half-conscious state like dreaming, often with loss of awareness of surroundings
Example
She stared out of the window as if in a trance.
C1 adjective /spəˈrædɪk/

sporadic

Meaning
Occurring irregularly or in scattered instances rather than continuously.
Example
The region experienced sporadic rain showers throughout the week.
C1 verb /koʊˈhæbɪt/

cohabit

Meaning
To live together, often as partners without being married.
Example
They decided to cohabit before getting married.
C1 noun /oʊθ/

Oath

Meaning
a solemn promise or declaration; a sworn statement
Example
The doctor took an oath to help patients.
C1 adjective /ˌfɪl.ænˈθrɒp.ɪk/

philanthropic

Meaning
showing concern for the welfare of others; generous and charitable
Example
She is known for her philanthropic activities in the city.
C1 adjective /ɪˈniː.bri.eɪ.tɪd/

inebriated

Meaning
under the influence of alcohol; drunk
Example
He stumbled into the room completely inebriated.
C1 noun /ˈkɑr.nɪdʒ/

Carnage

Meaning
the killing of a large number of people; widespread slaughter
Example
The battlefield was filled with carnage after the brutal war.
C1 adjective /ˈɪnsələnt/

insolent

Meaning
showing a rude and arrogant lack of respect
Example
The insolent student refused to follow the teacher's instructions.
C1 noun /brɒŋˈkaɪtɪs/

bronchitis

Meaning
inflammation of the lining of the bronchial tubes, which carry air to and from the lungs
Example
The doctor diagnosed him with acute bronchitis.
C1 verb /bɪˈɡɛt/

beget

Meaning
to bring about or give rise to; to father or produce
Example
Violence begets more violence.
C1 adjective /məˈdʒen.tə/

Magenta

Meaning
a bright purplish-red color
Example
She wore a beautiful magenta dress to the party.
C1 adjective + noun ˌpaɪəˈnɪərɪŋ ˈmɪʃən

pioneering mission

Meaning
A groundbreaking or innovative undertaking that leads the way in a particular field.
Example
Artemis is a pioneering mission in space exploration.
C1 adjective /əbˈnɒkʃəs/

Obnoxious

Meaning
extremely unpleasant; offensive; annoying
Example
His obnoxious behavior at the party annoyed everyone.
C1 noun /prɒɡˈnoʊsɪs/

prognosis

Meaning
A forecast of the likely outcome of a disease or situation.
Example
The doctor gave a positive prognosis for the patient's recovery.
C1 verb /ˈprɪkəl/

prickle

Meaning
to cause a slight stinging or tingling sensation on the skin
Example
Her skin began to prickle in the cold wind.
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 verb /ˈpɛtrɪfaɪ/

petrify

Meaning
to make someone so frightened that they are unable to move or think; to turn into stone
Example
The loud noise petrified the little child.
C1 noun/verb /ˈbæntər/

banter

Meaning
playful and friendly exchange of teasing remarks
Example
The colleagues enjoyed some light banter during the meeting.
C1 noun /ɪɡˈzuːbərəns/

exuberance

Meaning
the quality of being full of energy, excitement, and cheerfulness
Example
Her exuberance made the whole team feel motivated.
C1 adjective /ˈpɒlɪtɪk/

politic

Meaning
shrewd, prudent, or tactful in practical matters
Example
It was politic of him to remain silent during the argument.
C1 noun /ˈprɒdɪdʒi/

prodigy

Meaning
a person, especially a young one, with exceptional talents or abilities
Example
Mozart was a child prodigy in music.
C1 adjective /ˈhæɡ.ərd/

Haggard

Meaning
looking exhausted and unwell, especially from fatigue, worry, or suffering
Example
After working three nights without sleep, he looked haggard.
C1 verb /ˌʌndərˈlaɪ/

underlie

Meaning
to be the hidden cause or basis of something
Example
Strong cultural traditions underlie the community's practices.
C1 adjective /ˈstæɡ.nənt/

Stagnant

Meaning
not moving or flowing; showing no activity or development
Example
The stagnant water in the pond was covered with algae.
C1 adjective /ˌkaʊntərɪnˈtuːɪtɪv/

counterintuitive

Meaning
contrary to what one would intuitively expect
Example
His approach seems counterintuitive but it actually works.
C1 noun /ˌrɛmɪˈnɪsəns/

reminiscence

Meaning
a story or memory about past events
Example
He shared a reminiscence of his childhood days in the village.
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 noun /ˈstændˌstɪl/

standstill

Meaning
a situation in which all movement or activity stops
Example
The traffic came to a standstill after the accident.
C1 adjective /ˌkɒzməˈpɒlɪtən/

cosmopolitan

Meaning
familiar with and at ease in many different countries and cultures
Example
He has a cosmopolitan outlook due to his extensive travels.
C1 noun /ɪnˈsɒm.ni.ə/

Insomnia

Meaning
habitual sleeplessness; inability to sleep; the condition of being unable to sleep
Example
Her chronic insomnia made it difficult for her to concentrate during work hours.
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 verb /ˈmɪt.ɪ.ɡeɪt/

mitigate

Meaning
To make less severe, serious, or painful; to lessen the severity of damage or harm.
Example
Proper planning can mitigate financial risks.
C1 noun /ˈkɒnsjʊlət/

consulate

Meaning
the building or office where a consul works
Example
He went to the consulate to renew his visa.
C1 noun /ˌmiːtiəˈrɒlədʒi/

meteorology

Meaning
The scientific study of the atmosphere and weather.
Example
He chose to specialize in meteorology to study weather patterns.
C1 noun /ˈdʒɒt.ər/

Jotter

Meaning
a small notebook for writing quick notes or reminders
Example
The student carried a jotter to write down important points during lectures.
C1 adjective /ˌhɑːrdˈhɑːrtɪd/

hard-hearted

Meaning
showing no kindness or sympathy; cruel
Example
The landlord was hard-hearted and refused to help the poor family.
C1 adjective ʌnˈtʃɑːtɪd

uncharted

Meaning
Not mapped or surveyed; unknown or unexplored.
Example
The mission aimed to explore uncharted areas of the planet.
C1 adjective /ɪˈmuː.və.bəl/

immovable

Meaning
Not able to be moved; fixed in position.
Example
Immovable barriers prevent change.
C1 verb /sɪˈkluːd/

seclude

Meaning
To keep someone away from other people; to isolate.
Example
The monk chose to seclude himself in the mountains.
C1 noun /ˈdɛməɡɒɡ/

demagogue

Meaning
A political leader who seeks support by appealing to popular desires and prejudices rather than by using rational argument.
Example
The crowd was swayed by the fiery speeches of the demagogue.
C1 noun /ˌpeɪ.li.ɒnˈtɒl.ə.dʒi/

paleontology

Meaning
the branch of science concerned with fossil animals and plants
Example
She decided to study paleontology at university.
C1 adverb ɪnˈtrɪn.zɪ.kli

intrinsically

Meaning
In a way that is naturally or inherently part of something's essential nature.
Example
Some people are intrinsically motivated to learn.
C1 verb /dɪˈmɔrəˌlaɪz/

demoralize

Meaning
to cause someone to lose confidence or hope
Example
The constant criticism demoralized the young athlete.
C1 verb /ɪˈkɒnəmaɪz/

economize

Meaning
To reduce spending or use resources carefully.
Example
Families are trying to economize by cutting unnecessary expenses.
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 ˈzɛləs

zealous

Meaning
Having or showing great energy or enthusiasm in pursuit of a cause or objective; fervent.
Example
The zealous volunteers worked tirelessly for the cause.
C1 noun /ˈpraɪməsi/

primacy

Meaning
the state of being first in importance or authority
Example
The primacy of education cannot be denied.
C1 adjective /ˈædʒɪteɪtɪd/

Agitated

Meaning
disturbed; anxious; restless; excited in a negative way
Example
He became agitated when he heard the bad news.
C1 adverb /ˈmɪdweɪ/

Midway

Meaning
halfway; at or to the middle point
Example
The project is midway through completion.
C1 noun /ˌmɒd.jʊˈleɪ.ʃən/

modulation

Meaning
The process of varying or controlling something.
Example
Proper modulation of voice enhances communication skills.
C1 noun /ɪmˈpɜːrtɪnəns/

impertinence

Meaning
lack of respect; rudeness
Example
The teacher was shocked by the student's impertinence.
C1 noun /ˌʌnriˈælɪti/

unreality

Meaning
the state or quality of being unreal; lack of reality or truth
Example
The dreamlike setting gave the story a sense of unreality.
C1 verb /əˈtoʊn/

atone

Meaning
to make amends for a wrong or injury; to make reparation
Example
He tried to atone for his mistakes by helping others.
C1 noun ˌpraɪɔːrɪtaɪˈzeɪʃən

prioritization

Meaning
The action or process of deciding the relative importance or urgency of things.
Example
Effective prioritization ensures resources are used efficiently.
C1 noun /kənˈtɪn.ju.əns/

continuance

Meaning
the state of continuing or being prolonged; persistence
Example
The continuance of the project depended on securing additional funding.
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 noun/adjective /ˈbæstərd/

bastard

Meaning
a child born to unmarried parents (offensive); also used informally as an insult or to describe something unpleasant
Example
He called him a bastard in anger.
C1 noun /ˈtrɪkəri/

trickery

Meaning
The use of dishonest methods to deceive or cheat someone.
Example
The politician was accused of winning the election through trickery.
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 adjective /ˈreɪ.si/

racy

Meaning
Lively, entertaining, or slightly shocking (especially in a sexual way).
Example
The novel was full of racy dialogues.
C1 verb /ˈmʌd.əl/

muddle

Meaning
to mix things up in a confused way or to make a mess of something
Example
He muddled the papers and couldn’t find the report.
C1 verb /ˈeɪ.li.ə.neɪt/

alienate

Meaning
To make someone feel isolated or estranged; to cause someone to become unfriendly.
Example
His rude behavior alienated many of his friends.
C1 noun /səbˈvɜːrʒən/

subversion

Meaning
the act of trying to destroy or undermine an established system or authority
Example
The government accused the rebels of planning subversion.
C1 noun /ˈprɛljuːd/

prelude

Meaning
An action, event, or statement that serves as an introduction to something more important.
Example
The small fight was only a prelude to a bigger conflict.
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.
C1 adjective /ʌnˈtaɪmli/

Untimely

Meaning
happening at an inappropriate or inconvenient time; premature
Example
His untimely death at the age of thirty shocked everyone.
C1 adjective /ˌɔːrnəˈmɛntl/

ornamental

Meaning
Serving as decoration; decorative rather than functional.
Example
The garden was filled with ornamental plants.
C1 adjective /ɪkˈstætɪk/

ecstatic

Meaning
Feeling or expressing overwhelming happiness or excitement.
Example
The fans were ecstatic after their team won the championship.
C1 noun /luː/

lieu

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

unmask

Meaning
to remove a mask or covering; to reveal the true identity, nature, or intentions of someone or something
Example
The investigation helped unmask the real culprit behind the crime.
C1 verb /raɪð/

writhe

Meaning
To twist or squirm in pain or discomfort.
Example
He writhed in pain after twisting his ankle.
C1 adjective /prɪˈkoʊʃəs/

precocious

Meaning
Showing advanced development or maturity at an unusually early age.
Example
The precocious child was reading novels at the age of five.
C1 verb /ɪnˈstɪl/

instill

Meaning
to gradually but firmly establish an idea, attitude, or habit in someone's mind
Example
Parents try to instill good values in their children.
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 verb /ləˈmɛnt/

lament

Meaning
to express grief, sorrow, or regret about something
Example
She lamented the loss of her childhood home.
C1 adjective /ˈvɛnəˌreɪtɪd/

venerated

Meaning
respected and admired deeply
Example
The venerated professor was honored with an award.
C1 noun, adjective /dɪˈfiːtɪst/

defeatist

Meaning
A person who expects or is excessively ready to accept failure; showing a tendency to expect defeat.
Example
His defeatist attitude discouraged the rest of the team.
C1 noun /ˌɑːsɪˈleɪʃən/

oscillation

Meaning
The movement back and forth at a regular speed.
Example
The oscillation of the pendulum controls the clock.
C1 adjective /ˈæntɪkweɪtɪd/

antiquated

Meaning
Old-fashioned or outdated.
Example
The office still uses an antiquated filing system.
C1 verb /dəˈmɛstɪkeɪt/

domesticate

Meaning
to tame an animal for use by humans; to adapt something for domestic use
Example
Humans domesticated dogs thousands of years ago.
C1 adjective /ˈfɑːð.ər.ləs/

fatherless

Meaning
without a father
Example
The fatherless child relied on the support of his community.
C1 verb /dɪˈplɔːr/

deplore

Meaning
to feel or express strong disapproval of something; to regret deeply
Example
Many people deplore the violence shown on television.
C1 verb /prəˈkjʊər/

procure

Meaning
to obtain something, especially with effort or difficulty
Example
They managed to procure enough supplies for the expedition.
C1 verb /ɪmˈbɛl.ɪʃ/

embellish

Meaning
To make something more attractive by adding decorative details or exaggerating.
Example
He tends to embellish stories to make them more interesting.
C1 verb /dɪˈmiːn/

demean

Meaning
to cause someone to lose dignity or respect
Example
The manager demeaned his employees with rude remarks.
C1 noun /ˈmɛrɪɡoʊld/

Marigold

Meaning
a bright orange or yellow flower of the daisy family, often used in gardens and ceremonies
Example
The vibrant marigold flowers added a splash of color to the festival decorations.
C1 noun /ˌdɛrɪˈveɪʃən/

derivation

Meaning
The origin or development of something from a source.
Example
The derivation of the word comes from Latin.
C1 noun /rɪˈdʌn.dəns/

Redundance

Meaning
the state of being not or no longer needed or useful; superfluous repetition of information
Example
The document contained redundance that made it unnecessarily long.
C1 noun ˌkɒm.pjʊˈteɪ.ʃən

computation

Meaning
The action of mathematical calculation.
Example
Complex computation is required for AI models.
C1 noun /mɪkst ɪˈkɒn.ə.mi/

mixed economy

Meaning
An economic system where both government and private sector operate together.
Example
Most countries today follow a mixed economy model.
C1 noun /ˈæbdəmən/

abdomen

Meaning
The part of the body below the chest and above the hips that contains the stomach and other organs.
Example
He complained of pain in his abdomen.
C1 adjective /ˈnjʊrəl/

neural

Meaning
Relating to nerves or the nervous system.
Example
Scientists study neural connections in the brain.
C1 noun /ˈsɒl.ɪs/

Solace

Meaning
comfort or consolation in a time of distress or sadness
Example
She found solace in music after her loss.
C1 noun /ˈiː.dən/

Eden

Meaning
a place or state of great happiness; paradise
Example
The garden was like Eden, filled with beautiful flowers and peaceful atmosphere.
C1 noun ˌæɡ.rəʊˈkem.ɪ.kəl

agrochemical

Meaning
A chemical product used in agriculture, especially a pesticide or fertilizer.
Example
Excessive use of agrochemicals can degrade soil quality.