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C2 adjective /saɪˈdɪəriəl/

sidereal

Meaning
Relating to the stars or constellations; measured relative to the stars.
Example
Astronomers use sidereal time to track the positions of stars.
C2 verb /ˈreə.rɪ.faɪ/

rarefy

Meaning
To make something less dense or more refined.
Example
The air rarefies as you climb higher into the mountains.
C2 adjective /ˈmʌɡi/

muggy

Meaning
uncomfortably warm and humid
Example
It was a muggy afternoon in July.
C2 adjective /ˈmɛdəlsəm/

meddlesome

Meaning
fond of interfering in other people’s affairs
Example
She found her neighbor to be meddlesome and annoying.
C2 verb /fleɪ/

flay

Meaning
to strip off the skin of something or criticize severely
Example
The chef flayed the fish before cooking it.
C2 noun /dɪˈsɪstəns/

desistance

Meaning
The act of stopping or ceasing from some action or behavior.
Example
The court urged his desistance from further unlawful activities.
C2 verb /ˈʌndjʊleɪt/

undulate

Meaning
To move with a smooth, wave-like motion.
Example
The snake undulated across the sand.
C2 noun /ˈpɒliˌkreɪsi/

polycracy

Meaning
rule by many; government by multiple authorities
Example
The nation experienced a polycracy after decentralization reforms.
C2 noun /ˌmɪnəˈrɛt/

minaret

Meaning
A tall, slender tower of a mosque, from which the call to prayer is announced.
Example
The minaret of the mosque could be seen from miles away.
C2 adjective /ˌfærɪˈseɪɪkəl/

pharisaical

Meaning
Excessively concerned with formal rules or outward show of morality, often in a hypocritical way.
Example
His pharisaical behavior made people doubt his sincerity.
C2 adjective /ˌʌltrəˈmʌndeɪn/

ultramundane

Meaning
Relating to things beyond the physical world; supernatural or transcendental.
Example
Philosophers often discuss ultramundane realities beyond human perception.
C2 verb /ɛnˈkɪndl/

enkindle

Meaning
to set on fire or inspire strong emotion
Example
The speech enkindled hope in the audience.
C2 adjective /ˌɛvɪˈdɛnʃəl/

evidential

Meaning
relating to or providing evidence
Example
The lawyer presented evidential support for her claims.
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 /ˈsʊrmə fɪʃ/

Surma fish

Meaning
a freshwater fish species found in the Surma river system of Bangladesh and northeastern India
Example
Surma fish is native to the rivers of Sylhet region.
C2 adverb /ɪnˈdjuːbɪtəbli/

indubitably

Meaning
Without a doubt; certainly.
Example
She is indubitably the best candidate for the job.
C2 adjective, adverb /əˈbʌvˌbɔːrd/

aboveboard

Meaning
Open and honest; without deception or trickery.
Example
The business deal was completely aboveboard.
C2 verb /bɪˈmjuːz/

bemuse

Meaning
To confuse or puzzle someone.
Example
The complex instructions bemused the new employees.
C2 noun /ˈɛkwɪpɪdʒ/

equipage

Meaning
Equipment or a carriage with its accessories.
Example
The nobleman arrived in a grand equipage.
C2 adjective /ˈruːnɪk/

runic

Meaning
relating to or consisting of runes; mysterious or magical
Example
The old stone had strange runic carvings on it.
C2 adjective /ˌɪnsəˈprɛsəbl/

insuppressible

Meaning
That cannot be suppressed or restrained.
Example
She had an insuppressible urge to laugh during the ceremony.
C2 noun /ˈrɪp.lɪt/

ripplet

Meaning
a small or tiny ripple
Example
Tiny ripplets appeared on the lake as the fish moved.
C2 noun /ˈfɔːrˌpiːk/

forepeak

Meaning
The compartment in the forward part of a ship, often used for storage.
Example
The sailors stored extra ropes in the forepeak.
C2 adjective /ˈbʌsti/

busty

Meaning
having a large or full bust; describing a woman with a prominent chest
Example
The actress was often described as busty in fashion magazines.
C2 adjective /raɪˈpɛə.ri.ən/

riparian

Meaning
Relating to or situated on the banks of a river or other watercourse.
Example
Riparian vegetation helps prevent soil erosion along rivers.
C2 noun /ˈɛmbəˌlɪzəm/

embolism

Meaning
the sudden blockage of a blood vessel by a clot or other foreign matter
Example
The patient suffered a fatal pulmonary embolism.
C2 noun /kəˌrɒbəˈreɪʃən/

corroboration

Meaning
evidence that confirms or supports a statement, theory, or finding
Example
The documents provided strong corroboration of her claims.
C2 noun, adjective /pəˈtrɪʃən/

patrician

Meaning
A person of noble rank or high social standing; relating to aristocracy.
Example
The patrician families of Rome wielded great power in politics.
C2 noun /ˈɪntərˌloʊpər/

interloper

Meaning
A person who becomes involved in a situation or place where they are not wanted.
Example
He felt like an interloper at the private family gathering.
C2 adjective /ˈroʊziət/

roseate

Meaning
Having a pink color; optimistic or idealistic.
Example
She looked at the future with roseate optimism.
C2 verb /ˈtʃɔːrtl/

chortle

Meaning
to laugh in a breathy, gleeful way
Example
The audience chortled at the comedian's witty remarks.
C2 noun /ɪˈklɛktɪˌsɪzəm/

eclecticism

Meaning
A method or practice of deriving ideas, style, or taste from a broad and diverse range of sources.
Example
The architect’s work shows eclecticism by blending modern and traditional elements.
C2 adjective /krʌˈsteɪʃəs/

crustaceous

Meaning
relating to or having a hard shell like a crustacean
Example
The scientist studied the crustaceous fossils.
C2 adjective /ˈvɜːrnəl/

vernal

Meaning
related to spring; fresh, youthful
Example
The garden was filled with vernal beauty after the long winter.
C2 noun /ˈlæsi/

lassie

Meaning
a young girl (informal, mainly Scottish)
Example
The old man greeted the little lassie warmly.
C2 noun /ɪmˌprɒb.əˈbɪl.ə.ti/

Improbability

Meaning
the quality or state of being improbable; unlikely to be true or to happen
Example
The improbability of winning the lottery twice didn't stop her from buying tickets.
C2 adjective /ˈʌndjʊləs/

undulous

Meaning
Having a wavy surface or form.
Example
The artist painted the undulous sea at sunset.
C2 adjective /ˈvɛdʒɪtəl/

vegetal

Meaning
relating to or consisting of plants or vegetation
Example
The soup had a distinct vegetal flavor.
C2 verb /ˈbaʊdləˌraɪz/

bowdlerize

Meaning
to remove or modify parts of a text considered offensive or inappropriate
Example
The editor bowdlerized the novel to make it suitable for children.
C2 adjective /ˈleɪ.tɪʃ/

latish

Meaning
Somewhat late; occurring or arriving later than usual but not very late.
Example
We arrived latish to the party but still caught most of the fun.
C2 noun /ɪmˌpɜːrtərbəˈbɪləti/

imperturbability

Meaning
The quality of being calm and not easily disturbed or upset.
Example
Her imperturbability during the crisis impressed everyone.
C2 adjective /ˈnɪɡərdli/

niggardly

Meaning
unwilling to spend or give; stingy or miserly
Example
He was too niggardly to leave a decent tip.
C2 adjective /sɛnˈtɛnʃəs/

sententious

Meaning
Given to moralizing in a pompous or affected manner.
Example
His sententious remarks annoyed the audience.
C2 noun /sneɪk ɡɔːrd/

Snake gourd

Meaning
a long, curved vegetable that resembles a snake, commonly used in South Asian cuisine
Example
The snake gourd grows in a twisted, serpentine shape in the garden.
C2 noun /ˈspɒt.ɪd sneɪk hed/

Spotted snake head

Meaning
a type of freshwater fish with spotted markings and an elongated head resembling a snake
Example
The spotted snake head is a popular fish for aquaculture in South Asia.
C2 noun /riːm/

ream

Meaning
A large quantity of paper (typically 500 sheets); informally, a large amount of something.
Example
The office ordered ten reams of paper.
C2 adjective /ˈɪm.pi.əs/

Impious

Meaning
irreligious; lacking reverence for religion; blasphemous
Example
The impious act shocked the religious community.
C2 noun /əˈspær.ə.ɡəs biːn/

Asparagus bean

Meaning
a long, thin green vegetable pod that grows on vines; also known as yard-long bean
Example
The asparagus bean grows up to three feet long and is commonly used in Asian cooking.
C2 noun /θroʊz/

throes

Meaning
intense or violent pain and struggle, often at the beginning or end of something
Example
The country was in the throes of a political crisis.
C2 adjective /sɪˈbeɪʃəs/

sebaceous

Meaning
Relating to or secreting sebum, an oily substance from the skin.
Example
Acne is often caused by overactive sebaceous glands.
C2 noun /kɔˈrɪkə soˈbɔrnə/

Corica soborna

Meaning
a small silvery fish species found in South Asian rivers, commonly used in local cuisine
Example
Corica soborna is a popular ingredient in traditional Bengali fish curry.
C2 noun /ɪˈbʊliəns/

ebullience

Meaning
the quality of being cheerful, enthusiastic, and full of energy
Example
The teacher's ebullience inspired her students.
C2 noun /ˈlɛvi/

levee

Meaning
An embankment built to prevent the overflow of a river or to hold back water.
Example
The town built a levee to protect itself from flooding.
C2 noun /ˌmæləˈdɪkʃən/

Malediction

Meaning
A magical word used to invoke a curse; an evil spell
Example
The witch uttered a terrible malediction upon her enemies.
C2 adjective /ˈmiː.di.eɪ.tɪv/

mediative

Meaning
Related to mediation, helping to resolve conflicts through diplomatic means.
Example
His mediative skills helped resolve the conflict.
C2 noun /ˈɛərəˌstæt/

aerostat

Meaning
A lighter-than-air craft, such as a balloon, that is lifted by gas.
Example
The military used an aerostat for surveillance over the border.
C2 noun /ˈluː.məˌnɛr.i/

luminary

Meaning
A person who inspires or influences others, especially in a particular field.
Example
He is considered a luminary in the world of science.
C2 adverb /ˈɪntʃmiːl/

inchmeal

Meaning
Gradually, little by little.
Example
The old castle fell inchmeal into ruin.
C2 adjective /ˈvɪtriəs/

vitreous

Meaning
having a glass-like appearance or quality
Example
The mineral has a vitreous shine.
C2 adjective /ˌɪn.trəˈsɛl.jʊ.lər/

intracellular

Meaning
Located or occurring within a cell.
Example
The drug works by targeting intracellular bacteria.
C2 noun /ˈstrætədʒəm/

stratagem

Meaning
a plan or scheme designed to achieve a particular goal, often by trickery
Example
The general devised a clever stratagem to outwit the enemy.
C2 verb /dɪsˈkaʊntənəns/

discountenance

Meaning
To disapprove of or discourage something.
Example
The teacher strongly discountenanced cheating in exams.
C2 adjective /bɪˈfʌdld/

befuddled

Meaning
confused, unable to think clearly
Example
He looked befuddled after hearing the complex instructions.
C2 noun /ˈdeɪ.mæn/

day-man

Meaning
a worker employed by the day; a day laborer
Example
The farmer hired a day-man to help with the harvest.
C2 adverb /ˈdʒɪndʒərli/

gingerly

Meaning
in a very careful or cautious manner
Example
She walked gingerly on the icy path.
C2 verb /ˈlɪk.wɪ.faɪ/

liquefy

Meaning
to make or become liquid
Example
The heat will liquefy the butter in a few minutes.
C2 verb /ˌriːkruːˈdɛs/

recrudesce

Meaning
to break out or appear again after a period of dormancy or decline
Example
After months of calm, violence recrudesced in the region.
C2 noun /mælˈfiːzəns/

malfeasance

Meaning
Wrongdoing or misconduct, especially by a public official.
Example
The mayor was accused of malfeasance in office.
C2 adjective /ˈdəʊ.lə.rəs/

dolorous

Meaning
Expressing great sorrow or distress.
Example
He spoke in a dolorous tone after the loss.
C2 noun /ˈpɜːrvjuː/

purview

Meaning
the scope or range of authority, responsibility, or knowledge
Example
The case does not fall within the purview of this court.
C2 adjective /tʃeɪst/

Chaste

Meaning
pure and morally good; abstaining from sexual activity
Example
She lived a chaste and virtuous life.
C2 noun /ˈsaɪ.nəˌʃʊr/

cynosure

Meaning
A person or thing that is the center of attention or admiration.
Example
She was the cynosure of all eyes at the party.
C2 adjective ˈen.də.krɪn

endocrine

Meaning
Relating to or denoting glands that secrete hormones directly into the blood.
Example
The endocrine system regulates metabolism and growth.
C2 verb /kəˈdʒoʊl/

cajole

Meaning
To persuade someone to do something by flattery or gentle urging.
Example
She managed to cajole her friend into joining the trip.
C2 noun /hɜːrs/

Hearse

Meaning
a vehicle for conveying the coffin at a funeral; a funeral car
Example
The black hearse slowly made its way to the cemetery, followed by a procession of mourners.
C2 noun /lɑːrˈʒes/

largess

Meaning
Generosity in giving gifts or money.
Example
The foundation survived thanks to the largess of wealthy donors.
C2 adjective /ˈfraʊzi/

frowsy

Meaning
Scruffy and neglected in appearance; musty or stale in smell.
Example
He wore a frowsy old jacket that smelled of damp.
C2 noun /ˈprɒsɪlaɪt/

proselyte

Meaning
A person who has converted from one belief, opinion, or religion to another.
Example
She became a proselyte after converting to a new faith.
C2 adjective /ˌɪndɪˈfætɪɡəbl̩/

indefatigable

Meaning
persisting tirelessly; incapable of being fatigued
Example
Her indefatigable spirit kept the team motivated during the long project.
C2 adjective /ˈɜːrsaɪn/

ursine

Meaning
Relating to or resembling a bear.
Example
The man’s ursine strength amazed everyone.
C2 noun /əˈreɪ.bi.ən ˈdʒæz.mɪn/

Arabian Jasmine

Meaning
A fragrant white flower native to South and Southeast Asia, commonly used in perfumes and religious ceremonies
Example
The Arabian jasmine filled the garden with its sweet fragrance.
C2 noun /vɛkˈseɪʃən/

vexation

Meaning
the state of being annoyed, frustrated, or worried
Example
She could not hide her vexation after the repeated delays.
C2 noun /θiˈɒkrəsi/

theocracy

Meaning
A system of government in which priests or religious leaders rule in the name of God or a deity.
Example
The country was governed as a theocracy where religious leaders had supreme authority.
C2 verb /ˈsʌk.əl/

suckle

Meaning
to feed a baby or young animal with milk from the breast or udder
Example
The mother cat suckled her kittens in the basket.
C2 adjective /ˈsæŋɡwɪˌnɛri/

sanguinary

Meaning
Involving or causing much bloodshed; bloodthirsty.
Example
The battle was one of the most sanguinary conflicts of the war.
C2 noun /ɪnˈdɛntʃər/

indenture

Meaning
A formal legal agreement, contract, or document, often relating to work or service.
Example
In the 18th century, many workers came under indenture to work overseas.
C2 adjective /ˈrɛɡnənt/

regnant

Meaning
Reigning; currently holding power, authority, or dominance.
Example
The regnant queen introduced several reforms during her reign.
C2 verb /lɔːd/

laud

Meaning
To praise someone or something highly, especially in public.
Example
The critic lauded the actor's performance as a masterpiece.
C2 noun /ˈpɒl.i.mæθ/

polymath

Meaning
a person with knowledge of many different subjects
Example
Leonardo da Vinci was a true polymath, excelling in art, science, and engineering.
C2 adjective /lɪˈbɪdənəs/

libidinous

Meaning
Showing excessive sexual drive; lustful.
Example
The play was criticized for its libidinous characters.
C2 noun/adjective /ˈdɪstæf/

distaff

Meaning
Relating to women or the maternal side of a family; also a tool for spinning thread.
Example
She came from the distaff side of a noble family.
C2 adjective /ˌlɪlɪˈpjuːʃən/

lilliputian

Meaning
Extremely small or tiny; trivial or petty.
Example
The model village was filled with lilliputian houses.
C2 noun /ˌæpəˈzɪʃən/

apposition

Meaning
a grammatical construction in which two elements are placed side by side, with one explaining the other
Example
In the phrase 'my friend John,' the word 'John' is in apposition to 'my friend.'
C2 verb /ˈsʌblɪmeɪt/

sublimate

Meaning
to redirect strong emotions or desires into socially acceptable activities or channels
Example
She sublimated her anger into painting beautiful landscapes.
C2 adjective /ɪˈlɪʒən/

elysian

Meaning
Relating to or characteristic of paradise; delightful and heavenly.
Example
They spent an elysian week on the quiet island.
C2 noun /ˌlɪt.əˈrɑː.ti/

literati

Meaning
well-educated, literary, or scholarly people
Example
The event was attended by poets, critics, and other members of the literati.
C2 noun /əˈstɪɡmətɪzəm/

astigmatism

Meaning
An eye defect causing blurred vision due to irregular curvature of the cornea or lens.
Example
She wears glasses to correct her astigmatism.
C2 adjective /suːˈpɜːrnəl/

supernal

Meaning
Relating to the heavens; celestial or divine.
Example
The painting captured a supernal beauty that felt otherworldly.
C2 noun /ˈbeɪlɔːr/

bailor

Meaning
a person who temporarily transfers possession of goods or property to another under a bailment agreement
Example
The bailor entrusted the valuable artwork to the museum for safekeeping.
C2 noun /lɪnt/

lint

Meaning
small soft fibers that come off cloth, often found in dryers or on clothes
Example
There was lint all over his black shirt after the wash.
C2 noun /ˈmeɪleɪ/

melee

Meaning
A noisy, confused fight or crowd situation.
Example
A melee broke out during the football match.
C2 adjective /ˌsɛm.iˈkɒn.ʃəs/

semiconscious

Meaning
Only partly conscious; not fully aware of surroundings.
Example
He was semiconscious after the accident and could barely respond.
C2 verb /breɪ/

bray

Meaning
To make a loud, harsh sound like a donkey.
Example
The donkey began to bray loudly in the field.
C2 adjective /ˌɪnæprɪˈhɛnsəbl/

inapprehensible

Meaning
not understandable; incomprehensible
Example
The concept was so abstract that it seemed inapprehensible to most students.
C2 adjective /ʌnˈælɔɪd/

unalloyed

Meaning
Pure, complete, and not mixed with anything else.
Example
She felt unalloyed joy at the news of her success.
C2 verb /leɪv/

lave

Meaning
To wash or bathe.
Example
She laved her face with cool water.
C2 adjective /ˌsʌb.əˈkwɒt.ɪk/

subaquatic

Meaning
Existing, living, or located under water.
Example
Divers explored the subaquatic cave system filled with rare fish.
C2 noun /ˈdɛvɪlri/

devilry

Meaning
Wicked or cruel behavior; mischievous actions.
Example
The children were full of devilry on Halloween night.
C2 noun /ˈædʒ.ə.tənt/

Adjutant

Meaning
a large water bird with long legs and neck, also known as adjutant stork
Example
The adjutant stork stood motionless in the shallow water.
C2 noun /ˈæntɪk/

antic

Meaning
a playful, funny, or silly act or gesture
Example
The children laughed at the clown’s antics.
C2 noun /ˈkwɔːrtoʊ/

quarto

Meaning
A book size resulting from folding each printed sheet into four leaves (eight pages).
Example
The library has rare Shakespeare quartos.
C2 noun ˌsʌb.dʒʊˈɡeɪ.ʃən

subjugation

Meaning
The action of bringing someone or something under domination or control, especially by force.
Example
The subjugation of weaker nations by colonial powers shaped history.
C2 verb /kənˈdʒɔɪn/

conjoin

Meaning
to join together or unite; to combine
Example
The two rivers conjoin just before reaching the sea.
C2 noun /ˈbɑːrbərɪzəm/

Barbarism

Meaning
extreme cruelty or brutality; absence of culture and civilization
Example
The barbarism of the war crimes shocked the entire international community.
C2 adjective /ˌtɛmɪˈrɛəriəs/

temerarious

Meaning
Reckless or rash; showing a lack of caution.
Example
It was a temerarious decision to cross the river during the storm.
C2 noun /ˈfɔːθ.raɪt.nəs/

forthrightness

Meaning
The quality of being honest and straightforward; directness.
Example
Her forthrightness made her a respected journalist.
C2 noun /θrɔːl/

thrall

Meaning
The state of being in someone's power or under strong influence; slavery or bondage.
Example
He was in thrall to the powerful leader.
C2 noun /əbˈstrʌkʃənɪst/

obstructionist

Meaning
a person who deliberately delays or prevents progress by being uncooperative or oppositional
Example
The obstructionist in the committee kept delaying the decision-making process.
C2 noun /troʊp/

trope

Meaning
A common or overused theme, idea, or device in literature, film, or speech.
Example
The film avoided the usual superhero tropes.
C2 noun /dɪˈtrækʃən/

detraction

Meaning
The act of belittling or taking away from the value of something.
Example
Her constant detraction of others made her unpopular.
C2 verb /prəˈroʊɡ/

prorogue

Meaning
to discontinue a session of a parliament or assembly without dissolving it
Example
The president decided to prorogue parliament until the crisis was resolved.