assiduously
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C2 adverb /əˈsɪdʒuəsli/

assiduously

Meaning
with great care and persistence
Example
He worked assiduously to complete the project before the deadline.
C2 noun /ˈkæt.aɪ.ɒn ɪksˌtʃeɪndʒ/

cation-exchange

Meaning
A chemical process in soil that helps retain nutrients.
Example
The cation-exchange capacity of soil affects plant growth.
C2 noun /ˈɛəri/

aerie

Meaning
A large nest of a bird of prey, especially an eagle, typically built high in a tree or on a cliff.
Example
The eagle built its aerie on the high cliff.
C2 noun /ˈklaʊdˌbɜːrst/

cloudburst

Meaning
a sudden and very heavy rainfall
Example
The picnic was ruined by a sudden cloudburst.
C2 noun ˈvaɪ.və ˈvəʊs

viva voce

Meaning
An oral examination, typically for an academic qualification.
Example
Viva Voce tests communication skills.
C2 noun /ˌæk.wiˈes.əns/

acquiescence

Meaning
The reluctant acceptance of something without protest.
Example
His silent acquiescence to unfair rules was surprising.
C2 noun /ˈhɔːzər/

hawser

Meaning
A thick rope or cable used in mooring or towing a ship.
Example
The sailors secured the ship to the dock with a heavy hawser.
C2 noun /ˈfænˌtæzəm/

phantasm

Meaning
an illusion, ghost, or figment of the imagination
Example
The child claimed to see a phantasm in the old house.
C2 noun /ˈɔːɡjʊri/

augury

Meaning
A sign or omen that is believed to predict future events.
Example
The dark clouds were seen as an augury of an approaching storm.
C2 verb /kwɒf/

quaff

Meaning
to drink something heartily or in large gulps, especially an alcoholic drink
Example
He quaffed a mug of ale after the long day.
C2 adjective ˌeə.rəʊˈstæt.ɪk

aerostatic

Meaning
Relating to or involving gases (especially air) in equilibrium and the equilibrium of balloons or aircraft under the influence of such gases.
Example
Aerostatic designs ensure stability at high altitudes.
C2 verb /məˈrɔːd/

maraud

Meaning
to roam in search of things to steal or attack
Example
The bandits marauded through the village at night.
C2 verb /dɪsˈbɑːr/

disbar

Meaning
to officially remove a lawyer from the legal profession
Example
The corrupt lawyer was disbarred for unethical conduct.
C2 verb /ɪnˈdɛmnɪfaɪ/

indemnify

Meaning
to compensate someone for harm or loss; to secure against future damage or cost
Example
The insurance company agreed to indemnify the client for the damages.
C2 adjective /ˈdəʊl.səm/

dolesome

Meaning
Filled with grief or sadness; mournful.
Example
The dolesome ballad brought tears to their eyes.
C2 noun /ˈbʊljən/

bullion

Meaning
Gold or silver in bulk before being coined or made into jewelry.
Example
The bank stores gold bullion in its vaults.
C2 verb /ɪnˈhjuːm/

inhume

Meaning
to bury a dead body in the ground
Example
They inhumed the warrior with full honors.
C2 noun /sɪˈmɪlɪtjuːd/

Similitude

Meaning
the quality or state of being similar; resemblance
Example
The similitude between the two paintings suggested they were by the same artist.
C2 noun /tækˈsɒnəmɪst/

taxonomist

Meaning
A scientist who classifies organisms into groups based on their characteristics.
Example
The taxonomist discovered a new species of insect.
C2 adjective /ˌdɛməˈnaɪəkəl/

demoniacal

Meaning
characteristic of or resembling a demon; wildly evil
Example
He gave a demoniacal laugh that terrified everyone.
C2 noun /ˌɔːltərˈkeɪʃən/

altercation

Meaning
a noisy argument or quarrel
Example
There was a brief altercation between the two drivers.
C2 noun /səˈlɪsɪˌtuːd/

solicitude

Meaning
Care or concern for someone or something.
Example
His mother showed great solicitude for his safety.
C2 noun /ˈfɪl.ə.dʒɪ.nɪst/

philogynist

Meaning
a person who loves or admires women
Example
As a known philogynist, he advocated for women's education.
C2 noun /ˌpaɪroʊˈmeɪniæk/

pyromaniac

Meaning
A person with an uncontrollable desire to set things on fire.
Example
The pyromaniac was arrested for setting several buildings ablaze.
C2 noun dʒʊˈdɪʃəsnɪs

judiciousness

Meaning
Having, showing, or done with good judgment or sense.
Example
Her judiciousness in making decisions was appreciated.
C2 adjective /boʊˈhiːmiən/

bohemian

Meaning
unconventional, artistic, and free-spirited in lifestyle or appearance
Example
She decorated her apartment in a bohemian style with colorful fabrics.
C2 noun /pəˈruːzl/

perusal

Meaning
The action of reading or examining something carefully.
Example
The contract was given to the lawyer for perusal.
C2 noun /ɪmˈpjuːɪsəns/

impuissance

Meaning
inability to take effective action; helplessness
Example
The government’s impuissance in the face of crisis frustrated the people.
C2 adjective /ɛmˈpaɪriəl/

empyreal

Meaning
Heavenly, divine, or relating to the highest heavens.
Example
The poet described the empyreal beauty of the stars.
C2 /laɪð/

lithe

Meaning
thin, supple, and graceful in movement
Example
The lithe dancer captivated the audience with her graceful spins.
C2 noun /ˈfrɔːdjʊləns/

fraudulence

Meaning
The quality or state of being fraudulent; deceitfulness.
Example
The audit revealed fraudulence in the financial statements.
C2 adjective /ʌnˈkɒnʃənəbl/

unconscionable

Meaning
shockingly unfair or unreasonable
Example
The company made unconscionable profits from the crisis.
C2 noun /ˈʃɑːrlətən/

charlatan

Meaning
a person who pretends to have knowledge or skills that they do not really possess; a fraud
Example
The so-called healer was exposed as a charlatan.
C2 adjective /ˈθʌroʊˌɡoʊɪŋ/

thoroughgoing

Meaning
carried out to the full extent; absolute and complete
Example
She is a thoroughgoing professional in every sense.
C2 verb /əbˈhɔːr/

abhor

Meaning
to regard with disgust and hatred
Example
She abhors cruelty to animals.
C2 noun /rɪˈvaɪlər/

reviler

Meaning
a person who criticizes or insults others abusively
Example
He was known as a reviler of all who opposed him.
C2 verb /traɪˈsɛkt/

trisect

Meaning
To divide into three parts.
Example
The teacher asked the students to trisect the line segment.
C2 adjective /ˌnɒnkəˈmɪtl̩/

noncommittal

Meaning
Not expressing or showing a clear opinion, decision, or commitment.
Example
She gave a noncommittal reply when asked about her future plans.
C2 noun /prɪˈhɛnʃən/

prehension

Meaning
the act of grasping or seizing; the ability to take hold of something
Example
Therapists assessed the patient's prehension during hand therapy.
C2 noun /ˌperəˈreɪʃən/

peroration

Meaning
The concluding part of a speech, often intended to inspire or persuade.
Example
The politician's peroration left the audience applauding enthusiastically.
C2 verb /ˈrɔɪstər/

roister

Meaning
to revel noisily; to engage in loud, boisterous celebration
Example
The fans roistered in the streets after the victory.
C2 verb /ˈæntɪkweɪt/

antiquate

Meaning
To make something old-fashioned or obsolete.
Example
The rise of digital cameras antiquated traditional film photography.
C2 verb /dɪˈmɜːr/

demur

Meaning
to raise doubts, objections, or show reluctance
Example
She agreed to help without demur.
C2 adjective /ˈmʌski/

musky

Meaning
having a strong, sweet, earthy smell like musk
Example
The perfume had a musky fragrance.
C2 adjective /ˌɛkspəˈdɪʃəs/

expeditious

Meaning
Done with speed and efficiency.
Example
The expeditious delivery of the package was appreciated.
C2 noun /ˈɑːrkeɪndʒəl/

archangel

Meaning
A high-ranking angel, often considered a chief messenger or leader among angels.
Example
Michael is often depicted as the most powerful archangel.
C2 noun /ˈɛdi/

eddy

Meaning
A circular movement of water, air, or smoke, counter to the main current, causing a small whirlpool or turbulence.
Example
The canoe was caught in an eddy near the rocks.
C2 noun /ˈjuːzjuːfrʌkt/

usufruct

Meaning
The legal right to use and enjoy the benefits of someone else’s property without owning it.
Example
The tenant had the usufruct of the land but not its ownership.
C2 verb /læmˈpuːn/

lampoon

Meaning
to publicly criticize or ridicule someone or something with humor, irony, or sarcasm
Example
The cartoonist lampooned the politician for his contradictory statements.
C2 verb /trəˈdjuːs/

traduce

Meaning
To speak badly of someone or tell lies to damage their reputation.
Example
He was furious when he found out that his rivals had traduced him.
C2 verb /ˈbæstərdaɪz/

bastardize

Meaning
to corrupt or debase something by altering it from its original form; to change in a way that reduces quality or purity
Example
Critics argue that the remake bastardized the original novel.
C2 noun /ˈbreɪziər/

Brazier

Meaning
a worker in brass; a portable container for burning charcoal or coal
Example
The brazier crafted beautiful brass ornaments.
C2 verb /ˈkɒd.l̩/

coddle

Meaning
to treat someone with excessive care or kindness, often in a way that is overprotective
Example
Parents should support their children without coddling them.
C2 noun /ˈkɒntrəriz/

contraries

Meaning
things that are completely different or opposite to each other
Example
Freedom and slavery are contraries in every sense.
C2 noun /haɪˈdrɒl.ɪ.sɪs/

hydrolysis

Meaning
A chemical process that breaks down compounds by adding water, splitting complex molecules into simpler forms.
Example
Hydrolysis breaks down complex molecules into simpler forms.
C2 verb /bɪˈdɛk/

bedeck

Meaning
to decorate or adorn something in a showy way
Example
The hall was bedecked with flowers for the wedding.
C2 adjective /ʌnˈblʌʃɪŋ/

Unblushing

Meaning
showing no shame or embarrassment; boldly shameless
Example
He told the unblushing lie without any hesitation.
C2 adjective /ˈbrɪndl̩d/

brindled

Meaning
Having a brownish or tawny color with streaks or spots of another color.
Example
The farmer owned a brindled cow with distinctive stripes.
C2 verb /trænzˈmjuːt/

transmute

Meaning
to change in form, nature, or substance
Example
Alchemy aimed to transmute lead into gold.
C2 noun /ˈsʌplɪkənt/

supplicant

Meaning
A person who humbly or earnestly asks for something, usually from a person of authority.
Example
The temple was filled with supplicants seeking blessings.
C2 adjective /ɪˈlɪmɪtəbl/

illimitable

Meaning
Without limits or bounds.
Example
The universe is often described as illimitable.
C2 adjective /ˈfækʃəs/

factious

Meaning
causing disagreement or division within a group; inclined to form factions
Example
The debate became factious, splitting the committee into rival camps.
C2 adjective /ˈsmɑːrmi/

smarmy

Meaning
Excessively flattering or ingratiating, often insincerely.
Example
The salesman gave a smarmy pitch that felt fake.
C2 adjective /ˈfiːbraɪl/

febrile

Meaning
having or showing the symptoms of a fever; or highly excitable or agitated
Example
The patient was in a febrile state with high temperature.
C2 verb /rɪˈdaʊnd/

redound

Meaning
to contribute greatly to a result or consequence, usually beneficial
Example
His hard work will redound to the success of the company.
C2 noun /ˈsuːθˌseɪər/

soothsayer

Meaning
a person who claims to predict the future
Example
The king consulted a soothsayer before going to war.
C2 noun /ˈhɛʃ.ən/

Hessian

Meaning
a strong coarse fabric made from jute or hemp, used for sacks and wrapping
Example
The farmer stored grain in hessian sacks.
C2 noun /ˈkæt.kɪn/

Catkin

Meaning
a drooping, often tasseled cluster of small flowers found on willow and birch trees
Example
The willow tree's catkins swayed gently in the spring breeze.
C2 noun /ˈɪŋkjʊbəs/

incubus

Meaning
An oppressive or nightmarish burden; in folklore, an evil spirit that lies upon sleeping people.
Example
Debt became an incubus that weighed heavily on the family.
C2 adjective /ˈspiːʃəs/

specious

Meaning
Superficially plausible but actually false; misleading in appearance.
Example
The politician’s argument was specious, sounding convincing but lacking real evidence.
C2 verb /voʊˈsɪfəˌreɪt/

vociferate

Meaning
to shout, complain, or argue loudly or vehemently
Example
The protesters vociferated against the unfair law.
C2 noun /ˈmɒrəlɪst/

moralist

Meaning
A person who teaches or promotes moral principles and values.
Example
The author was known as a strict moralist in his writings.
C2 adjective /ˈnjuːbaɪl/

nubile

Meaning
of a young woman, sexually mature and suitable for marriage
Example
The village was celebrating the festival with its nubile maidens dancing.
C2 noun /tʃəˈmeɪ.li/

Chameli

Meaning
a variety of jasmine flower with small white fragrant petals
Example
The chameli flowers are commonly used to make garlands and perfumes.
C2 verb /ˈmiːliəˌreɪt/

meliorate

Meaning
To make something better or improve a condition.
Example
The new policies aim to meliorate the living conditions of the poor.
C2 noun /əˈblɪkwɪti/

obliquity

Meaning
Deviation from moral or usual conduct; indirectness or lack of straightforwardness.
Example
The politician was criticized for the obliquity of his answers.
C2 verb /ˌfɔːrˈrʌn/

forerun

Meaning
To go before; to precede in time, place, or action.
Example
Dark clouds often forerun a storm.
C2 adjective /ɪˈfjuːsɪv/

effusive

Meaning
Expressing feelings of gratitude, pleasure, or approval in an unrestrained or heartfelt manner.
Example
She gave him an effusive welcome after his long journey.
C2 noun /ˈvaɪənd/

viand

Meaning
an item of food, especially a delicacy
Example
The banquet was filled with rich viands and wines.
C2 verb /əˈkɒst/

accost

Meaning
to approach and speak to someone boldly or aggressively
Example
The reporter was accosted by protesters outside the courthouse.
C2 noun /ˈdəʊ.lər/

dolor

Meaning
A state of great sorrow or distress.
Example
The nation was in deep dolor after the tragedy.
C2 noun /ˌfaɪ.təʊˈkem.ɪ.kəlz/

phytochemicals

Meaning
Natural chemical compounds produced by plants that provide health benefits beyond basic nutrition, often having antioxidant properties.
Example
Phytochemicals in green tea help reduce inflammation.
C2 verb /trænsˈfɪɡjʊər/

transfigure

Meaning
To transform the outward appearance or form, often in a way that elevates or glorifies.
Example
The artist managed to transfigure simple clay into a beautiful sculpture.
C2 adjective /bɒmˈbæstɪk/

bombastic

Meaning
using pompous or inflated language with little meaning
Example
The professor’s bombastic lecture impressed no one.
C2 noun əˈlæk.rə.t̬i

alacrity

Meaning
Brisk and cheerful readiness.
Example
He accepted the challenge with alacrity.
C2 verb /əˈdjuːs/

adduce

Meaning
To provide evidence or reasons to support an argument or idea.
Example
The lawyer adduced several examples to support his case.
C2 noun /ˌɔːrnɪˈθɑːlədʒi/

ornithology

Meaning
the scientific study of birds
Example
She pursued ornithology to understand the migration patterns of birds.
C2 adjective /beɪˈkoʊniən/

baconian

Meaning
Relating to the philosopher Francis Bacon or his method of scientific reasoning.
Example
The researcher followed a Baconian approach to observation and experimentation.
C2 verb /fɔːrˈboʊd/

forebode

Meaning
To predict or have a strong inner feeling of a future misfortune or evil.
Example
Dark clouds forebode a coming storm.
C2 verb /ˌsuːpərˈæd/

superadd

Meaning
to add something to what has already been added
Example
The author chose to superadd a new chapter to the revised edition.
C2 verb /ˌʌndərˈɡɜːrd/

undergird

Meaning
to provide support or foundation for; to strengthen
Example
Strong values undergird a healthy society.
C2 noun /ˌbɪbliəʊˈmeɪniə/

bibliomania

Meaning
An extreme obsession with collecting or possessing books.
Example
His bibliomania led him to fill every room with books.
C2 noun /ˈsɜːfdəm/

serfdom

Meaning
The status or condition of being a serf, bound to work for a lord.
Example
Many peasants in medieval Europe lived under serfdom.
C2 adjective /ˈɑːbdjʊrət/

obdurate

Meaning
Stubbornly refusing to change one's opinion or course of action.
Example
He remained obdurate despite everyone's pleas.
C2 noun (compound/erroneous entry) /ɪnˈɛksərəbl ɑːrmi/

inexorableinexorablearmy

Meaning
This appears to be a corrupted or concatenated form; interpreted as 'inexorable army' — an unstoppable or relentless force.
Example
The rebels feared the inexorable army approaching their stronghold.
C2 noun /ˈmʌstərd ɔɪl/

Mustard Oil

Meaning
oil extracted from mustard seeds, commonly used for cooking and medicinal purposes
Example
We use mustard oil for cooking vegetables in our kitchen.
C2 adjective /ˈbeɪnfəl/

baneful

Meaning
Causing harm, ruin, or destruction; deadly or poisonous.
Example
His baneful influence ruined the community.
C2 adjective /ɪnˈklɛmɛnt/

inclement

Meaning
unpleasantly cold, wet, or stormy (usually weather)
Example
The match was canceled due to inclement weather.
C2 adjective /ˈkɑːrpɪŋ/

carping

Meaning
continually complaining or finding fault in a petty way
Example
His carping attitude makes teamwork difficult.
C2 verb /sɛkˈstuːpəl/

sextuple

Meaning
to make or become six times as great or as many
Example
Within two quarters, the campaign sextupled their daily sign-ups.
C2 noun /fɪˈlændərər/

philanderer

Meaning
a man who habitually engages in casual romantic or sexual affairs
Example
The politician was exposed as a notorious philanderer.
C2 noun /ɪˈmɒdəsti/

immodesty

Meaning
lack of modesty or decency; behavior or attitude that is overly bold or improper
Example
The article was criticized for its tone of immodesty.
C2 noun /ɪnˈsuːsiəns/

insouciance

Meaning
Casual lack of concern; indifference.
Example
She carried herself with an air of insouciance, unbothered by the challenges ahead.
C2 noun /ˈplɛdʒiː/

pledgee

Meaning
a person to whom something is pledged or given as security
Example
The bank is the pledgee of the collateral until the loan is repaid.
C2 adjective /kəmˈbʌstɪbəl/

combustible

Meaning
Capable of catching fire and burning easily.
Example
Dry leaves are highly combustible.
C2 verb /ˈdɛpjʊˌtaɪz/

deputize

Meaning
To appoint someone as a deputy; to act as a substitute or representative.
Example
The sheriff decided to deputize several locals to help maintain order.
C2 adjective /ˌæntɪˈθɛtɪkəl/

antithetical

Meaning
Directly opposed or contrasted; mutually incompatible.
Example
His views were antithetical to the values of the organization.
C2 verb /ˈseɪʃiˌeɪt/

satiate

Meaning
To satisfy fully, especially with food or desire.
Example
The large meal satiated his hunger.
C2 adjective /ˈwɪspi/

wispy

Meaning
Thin, delicate, and weak in appearance or form.
Example
Her wispy hair blew gently in the breeze.
C2 noun /zɪˈnɑːnə/

Zenanna

Meaning
the part of a house reserved for women; women's quarters in Muslim households; harem
Example
The zenanna was beautifully decorated with intricate patterns.
C2 noun /djuːˈɛnə/

duenna

Meaning
an older woman acting as a governess or chaperone, especially in Spanish families
Example
The young lady was accompanied by a duenna during the festival.
C2 noun /meɪˈlɑːnʒ/

melange

Meaning
A mixture of different things or styles.
Example
The festival offered a melange of music, food, and art.
C2 noun /ˈiːən/

eon

Meaning
an indefinitely long period of time; an age
Example
Dinosaurs lived millions of years ago, in a different eon.
C2 noun /ˈfɒpəri/

foppery

Meaning
Foolish or excessive concern with one's appearance or manners; pretentious behavior.
Example
His obsession with fashion was dismissed as mere foppery.
C2 noun /ˌsuːpərɪnˈtɛndəns/

superintendence

Meaning
the act of overseeing, supervising, or managing
Example
The superintendence of the school is the principal’s duty.
C2 noun /ˌpɛdəˈɡɒdʒɪks/

pedagogics

Meaning
the science or art of teaching
Example
He studied pedagogics to become a better teacher.
C2 noun /ˈdrʌmɪt/

Drumet

Meaning
a small drum used in military or marching bands
Example
The drummer played a steady beat on the drumet during the parade.
C2 noun /səbˈmɜːrʒən/

submersion

Meaning
the state of being under water
Example
The submersion of the fields lasted for several days after the heavy rain.
C2 noun /ˈdʒɒlɪti/

jollity

Meaning
lively and cheerful activity or celebration
Example
The wedding was full of jollity and laughter.
C2 adjective /hɛkˈsæŋɡjələr/

hexangular

Meaning
Having six angles or corners.
Example
The artist designed a hexangular frame for the mirror.
C2 verb /əˈbeɪs/

abase

Meaning
to belittle or degrade someone
Example
He refused to abase himself before the king.