calculable
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C2 adjective /ˈkælkjʊləbl/

calculable

Meaning
Capable of being calculated, estimated, or measured.
Example
The risk involved in the project is calculable.
C2 noun /ˈɒkjʊlɪst/

oculist

Meaning
An old-fashioned term for an eye doctor or ophthalmologist.
Example
The village oculist was known for treating various eye diseases.
C2 noun /ɪˈfʌldʒəns/

effulgence

Meaning
Brilliant radiance or shining brightness.
Example
The effulgence of the sunrise lit up the entire valley.
C2 adjective/noun /haɪˈbɜːrniən/

hibernian

Meaning
Relating to Ireland or the Irish.
Example
He enjoyed reading about Hibernian culture and history.
C2 adjective /ˈbʌmpʃəs/

bumptious

Meaning
Arrogantly self-assertive or conceited.
Example
The bumptious student interrupted the teacher several times.
C2 noun /ˈpɔːrfəri/

porphyry

Meaning
A hard igneous rock containing crystals, often used for decorative or building purposes.
Example
The ancient Romans used porphyry to make columns and statues.
C2 noun /ˌkɒməˈsɛəriət/

commissariat

Meaning
A department responsible for supplying food and equipment, especially in the military.
Example
The army commissariat ensured that the soldiers had enough supplies.
C2 adjective /ˈfɪliəl/

filial

Meaning
relating to a son or daughter; showing respect or affection toward parents
Example
He showed filial respect by caring for his aging parents.
C2 noun /ˈskʌl.i.ən/

scullion

Meaning
a servant assigned the most menial kitchen tasks
Example
In medieval times, a scullion was responsible for cleaning pots and pans.
C2 noun /ˈsɪŋkrəˌnɪzəm/

synchronism

Meaning
The simultaneous occurrence of events or actions.
Example
The synchronism of the dancers' movements amazed the audience.
C2 adjective /dʒoʊˈkoʊs/

jocose

Meaning
playful or humorous in speech or behavior
Example
The professor’s jocose remarks kept the class entertained.
C2 noun /ˌkɛəriˈætɪd/

caryatid

Meaning
A stone carving of a draped female figure, used as a supporting column in architecture.
Example
The ancient temple featured a caryatid holding up the roof.
C2 noun /ˈænʒənuː/

ingenue

Meaning
an innocent, naïve young woman, especially as represented in literature or theater
Example
She played the role of the ingénue in the play with great charm.
C2 adjective /aɪˈsɒ.krə.nəs/

isochronous

Meaning
Occurring at equal time intervals; in unison or synchrony.
Example
The pendulum swings are isochronous, repeating at equal intervals.
C2 noun /fiːf/

fief

Meaning
an estate of land held under the feudal system; a domain or area of control
Example
The knight was granted a fief by the lord for his service.
C2 noun /ˈkɒrənɛt/

coronet

Meaning
a small crown, especially one worn by a prince, princess, or noble
Example
She wore a delicate coronet on her head for the ceremony.
C2 noun /ˌdɪsrɪˈpjuːt/

disrepute

Meaning
the state of being held in low esteem or having a bad reputation
Example
The scandal brought the politician into disrepute.
C2 adjective /ˌʌnəˈsweɪdʒd/

unassuaged

Meaning
Not made less intense or relieved; unrelieved.
Example
His grief remained unassuaged despite the passage of time.
C2 verb /ˌmɛtəˈmɔrfoʊz/

metamorphose

Meaning
To change in form, structure, or substance; to transform completely.
Example
The caterpillar metamorphosed into a butterfly.
C2 adjective /ˌmɔːrɡəˈnætɪk/

morganatic

Meaning
relating to a marriage in which one partner, usually of lower social rank, does not share the titles or privileges of the other
Example
The prince entered into a morganatic marriage with a commoner.
C2 adjective /ɪˈkwɪvəkəl/

equivocal

Meaning
Open to more than one interpretation; ambiguous.
Example
His equivocal answer confused everyone.
C2 noun /kənˈtɔːrʃənz/

contortions

Meaning
plural form of contortion; multiple twisted or bent shapes
Example
The magician's contortions left the crowd in awe.
C2 noun /ˌdɪləˈtænt/

dilettante

Meaning
A person who takes up an art, activity, or subject merely for amusement, especially in a superficial way.
Example
He was dismissed as a dilettante in the art world because he lacked formal training.
C2 adjective /ˌhaɪpəˈdɜːrmɪk/

hypodermic

Meaning
relating to the region immediately beneath the skin; also refers to a type of needle or syringe used to inject drugs beneath the skin.
Example
The doctor used a hypodermic needle to administer the vaccine.
C2 verb /ˈɛksplɪkeɪt/

explicate

Meaning
to make an idea or principle clear by explaining it in detail
Example
The professor tried to explicate the theory of relativity for his students.
C2 adjective /ˈtɔɪl.səm/

toilsome

Meaning
Involving hard or exhausting work; laborious.
Example
The workers had a toilsome day in the hot sun.
C2 verb /dɪsˈbɜːrs/

disburse

Meaning
to pay out money, especially from a fund
Example
The organization will disburse the funds to the affected families.
C2 noun /ˈhaɪərlɪŋ/

hireling

Meaning
A person who works for payment only, often with little loyalty or principle.
Example
The mercenary was dismissed as just a hireling with no real loyalty.
C2 verb /pɜːrl/

purl

Meaning
To knit with a purl stitch; to flow with a murmuring sound (as a stream).
Example
The brook purled softly through the meadow.
C2 noun, verb /ˈpɑːrli/

parley

Meaning
a discussion between opposing sides, especially to negotiate terms
Example
The generals met to parley over the terms of surrender.
C2 adjective /ˈkʌmli/

comely

Meaning
Attractive or pleasant in appearance.
Example
The actress was known for her comely features.
C2 noun /ˌɪnkənˈɡruːəti/

incongruity

Meaning
The state of being inconsistent or out of place.
Example
The incongruity of his cheerful mood during the funeral shocked everyone.
C2 noun /ˈhæk.ni ˈkær.ɪdʒ/

Hackney carriage

Meaning
A taxi; a car licensed to carry passengers for hire
Example
I called a hackney carriage to get to the airport.
C2 noun /ˈskɪnˌflɪnt/

skinflint

Meaning
a person who spends as little money as possible; a miser
Example
The landlord was such a skinflint that he never repaired anything.
C2 noun /ˈsuːpsɒ̃/

soupcon

Meaning
a very small quantity of something; a trace
Example
She added just a soupcon of spice to the dish.
C2 verb /bɪˈstruː/

bestrew

Meaning
To scatter or cover something with objects or substances.
Example
The ground was bestrewn with autumn leaves.
C2 adjective /ˈklɔɪ.ɪŋ/

cloying

Meaning
too sweet, rich, or sentimental, making it unpleasant
Example
The dessert was so cloying that I couldn't finish it.
C2 noun /nɪt/

nit

Meaning
The egg or young form of a louse or other parasitic insect.
Example
The teacher noticed nits in the child’s hair.
C2 verb /ˈsʌn.dər/

sunder

Meaning
To split apart or separate, especially with force.
Example
The war sundered families and friends.
C2 verb /ˈkɒsɪt/

cosset

Meaning
to care for and protect in an overindulgent way
Example
The little girl was cosseted by her grandparents.
C2 noun /ɪmˈprɑːvɪdəns/

improvidence

Meaning
Lack of foresight or care for future needs.
Example
His improvidence led to financial difficulties.
C2 noun /ˌɑːbdʒərˈɡeɪʃən/

objurgation

Meaning
a harsh scolding or strong rebuke
Example
His misconduct earned him a severe objurgation from the manager.
C2 verb /ˈpælpɪˌteɪt/

palpitate

Meaning
to beat rapidly and strongly, often because of fear, excitement, or illness
Example
Her heart began to palpitate with fear.
C2 noun /kəˈlɒsəti/

callosity

Meaning
A thickened or hardened area of skin; insensitivity or hardness of character.
Example
Years of manual labor left callosity on his hands.
C2 adverb/adjective /lɪˈɡɑːtoʊ/

legato

Meaning
In music, played or sung smoothly and connectedly.
Example
The pianist played the passage legato, with each note flowing into the next.
C2 noun /ɪˈfrʌntəri/

effrontery

Meaning
shameless or rude boldness
Example
He had the effrontery to lie even when caught red-handed.
C2 adjective /kwəʊˈtɪdiən/

quotidian

Meaning
Ordinary or everyday, especially when mundane.
Example
He focused on the quotidian details of family life.
C2 noun /juːˌtrɑː.fɪˈkeɪ.ʃən/

eutrophication

Meaning
Excessive richness of nutrients in a lake or other body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen.
Example
Excess fertilizers lead to eutrophication in lakes.
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 noun /pəˈnʌmbrə/

penumbra

Meaning
a partially shaded area around the shadow of an object, especially during an eclipse
Example
The moon’s penumbra created a dim shadow over the Earth.
C2 noun /ˈmeɪsə/

mesa

Meaning
An isolated flat-topped hill with steep sides, found in arid regions.
Example
The hikers stopped to admire the mesa rising above the desert floor.
C2 noun /ˈjoʊkəl/

yokel

Meaning
An uneducated and unsophisticated person from the countryside; a bumpkin.
Example
The city folks laughed at the yokel's simple ways.
C2 adjective /ˈdoʊlfəl/

Doleful

Meaning
sorrowful; mournful; expressing grief or sadness
Example
She gave him a doleful look when he left.
C2 adjective /ˈpɛktərəl/

pectoral

Meaning
Relating to the chest or breast.
Example
The athlete focused on strengthening his pectoral muscles.
C2 noun /ɪnˈvaɪtər/

invitor

Meaning
a person who invites someone to an event, meeting, or place
Example
The invitor greeted all the guests warmly at the entrance.
C2 noun /ˈbrɪmˌstoʊn/

brimstone

Meaning
Sulfur, especially when considered as fiery and associated with hell or divine punishment.
Example
The preacher spoke of fire and brimstone to warn the congregation.
C2 noun, verb /ˈmaɪər/

mire

Meaning
A stretch of swampy or boggy ground; as a verb, to entangle or involve someone in a difficult situation.
Example
The car was stuck in the mire after the heavy rain.
C2 adjective /ˈkɒndʒʊɡəl/

conjugal

Meaning
relating to marriage or the relationship between husband and wife
Example
They enjoyed a long life of conjugal happiness.
C2 adjective /ɪˈpɪstələri/

epistolary

Meaning
Related to the writing of letters; expressed in or through letters.
Example
The novel is written in an epistolary style, consisting of letters between characters.
C2 verb /ɛmˈbɔs/

emboss

Meaning
to decorate a surface with a raised design or pattern
Example
The invitation card was embossed with golden letters.
C2 adjective /ɪmˈperɪʃəbəl/

Imperishable

Meaning
not subject to decay; lasting forever; eternal
Example
The imperishable beauty of classical art continues to inspire generations.
C2 noun /ˈbroʊmaɪd/

bromide

Meaning
A trite or unoriginal idea or remark; also a chemical compound of bromine.
Example
His speech was full of old bromides about hard work.
C2 adjective /ˈhæm ˌhændɪd/

ham-handed

Meaning
clumsy or inept in handling things or situations
Example
His ham-handed attempt to fix the computer made it worse.
C2 noun /ˌbaɪ.oʊ.rɪˌmiː.diˈeɪ.ʃən/

bioremediation

Meaning
The use of living organisms to neutralize or remove environmental contaminants.
Example
Bioremediation helps remove toxins from polluted soil.
C2 noun /ˈɔːspɪs/

auspice

Meaning
A sign, omen, or divine token; also refers to protection or support.
Example
The project was launched under the auspice of the government.
C2 verb /proʊˈskraɪb/

proscribe

Meaning
to forbid something by law or authority
Example
The new law will proscribe the use of harmful chemicals in farming.
C2 noun /proʊˈbɑːsɪs/

proboscis

Meaning
The long, flexible nose of some animals, especially an elephant, or a tubular feeding and sucking organ in insects.
Example
The elephant used its proboscis to grab food.
C2 adjective /ɪˈlɪmɪtəbl/

illimitable

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

accouter

Meaning
to equip or outfit, typically with military or ceremonial attire
Example
The soldiers were accoutered in full battle gear.
C2 verb /ˈɡlaʊ.ər/

glower

Meaning
To look at someone with an angry or sullen expression.
Example
He glowered at his rival across the room.
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 noun /ˈnaɪsəti/

nicety

Meaning
a fine or subtle detail, or a refined, delicate aspect of something
Example
The lawyer explained the legal niceties of the case.
C2 verb /pɔːrˈtɛnd/

portend

Meaning
To be a sign or warning that something, especially something bad, is going to happen.
Example
Dark clouds portend a storm.
C2 verb /ˈdʒɒɡəl/

joggle

Meaning
to shake slightly; to move or cause to move with quick, small jerks
Example
He joggled the table and the vase nearly fell.
C2 adjective /ˈsɪbɪlaɪn/

sibylline

Meaning
Prophetic, mysterious, or cryptic in meaning.
Example
The old woman gave a sibylline warning about the future.
C2 adjective /ˌfoʊtoʊɪˈlɛktrɪk/

photoelectric

Meaning
relating to the emission of electrons or other free carriers when light shines on a material
Example
The photoelectric effect is fundamental in solar panels.
C2 adjective /dɪˈfjuːzəbl/

diffusible

Meaning
able to spread or be spread through a medium
Example
Oxygen is diffusible through cell membranes.
C2 adjective /ˌɪrɪˈprəʊtʃəbl̩/

irreproachable

Meaning
Beyond criticism; faultless.
Example
The judge was known for his irreproachable integrity.
C2 adjective /ˌdaɪəˈbɒlɪk/

diabolic

Meaning
Extremely evil or cruel; characteristic of the devil.
Example
The villain devised a diabolic scheme.
C2 adjective ˈkoʊ.dʒənt

cogent

Meaning
Clear, logical, and convincing.
Example
His cogent argument convinced the jury.
C2 adverb /ˌsʌb ˈroʊzə/

sub rosa

Meaning
secretly, in confidence, or in private
Example
The deal was made sub rosa to avoid public scrutiny.
C2 adjective /ˌtaɪtˈfɪstɪd/

tightfisted

Meaning
unwilling to spend money; stingy
Example
He is so tightfisted that he refuses to tip at restaurants.
C2 adjective /blaɪð/

blithe

Meaning
Showing a casual and cheerful indifference considered improper or carefree happiness.
Example
She had a blithe disregard for the rules.
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 adjective /ˈpɛnɪtrəbl/

penetrable

Meaning
Capable of being passed through or entered.
Example
The thin wall was easily penetrable.
C2 verb /ˈsɛreɪt/

serrate

Meaning
To make a saw-toothed edge or notched margin.
Example
The craftsman serrated the knife blade for better cutting.
C2 verb /kənˈvʌls/

convulse

Meaning
to shake violently; to suffer sudden involuntary contractions
Example
The patient convulsed during the seizure.
C2 verb /ˈbɪloʊ/

billow

Meaning
To swell or rise in large waves or surges; to flow outward in a rolling motion.
Example
Smoke billowed from the burning building.
C2 conjunction /ˌɪnəzˈmʌtʃ æz/

inasmuch-as

Meaning
Because; since.
Example
He cannot attend, inasmuch as he is unwell.
C2 adjective /krʌˈsteɪʃəs/

crustaceous

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

argot

Meaning
the specialized vocabulary or jargon of a particular group, especially one with a common interest or occupation
Example
The thieves communicated in an argot that outsiders could not understand.
C2 adjective /həˈrɛtɪkəl/

heretical

Meaning
Relating to or characterized by departure from accepted beliefs or standards, especially in religion.
Example
The priest condemned the book as heretical.
C2 verb /kɔːk/

caulk

Meaning
to seal a crack or gap with a waterproof filler
Example
He caulked the window frames to stop the draft.
C2 noun /ˈʒɑːndɑːrm/

gendarme

Meaning
A French police officer, especially a member of a military-style police force.
Example
The gendarme stopped the car for a routine check.
C2 noun /ləˈdʒɪʃən/

logician

Meaning
A person skilled in logic and reasoning.
Example
Aristotle is considered one of the greatest logicians in history.
C2 adjective /ˈhɔːrtətɔːri/

hortatory

Meaning
Intended to encourage or urge to action.
Example
The manager’s hortatory words inspired the team to work harder.
C2 adjective /əˈvʌŋkjələr/

avuncular

Meaning
kind and friendly, like an uncle
Example
He had an avuncular manner that made everyone feel comfortable.
C2 noun /vəˈliːɪti/

velleity

Meaning
A wish or inclination not strong enough to lead to action.
Example
His interest in painting never grew beyond a mere velleity.
C2 verb /ˌɪntərˈlɒk/

interlock

Meaning
to fit or connect together securely so that two or more things are joined
Example
The gears interlock to ensure smooth movement of the machine.
C2 adjective /ˈvækjuəs/

vacuous

Meaning
Having or showing a lack of thought or intelligence; mindless.
Example
She gave a vacuous smile during the serious discussion.
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 /ˈprɪɡɪʃ/

priggish

Meaning
self-righteously moralistic and superior
Example
He came across as priggish when correcting everyone's manners.
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 adjective /tʃəˈruːbɪk/

cherubic

Meaning
Innocent, sweet, and angelic, like a cherub.
Example
The baby had a cherubic smile that melted everyone’s heart.
C2 adjective /ˌɪnˈekspɜːrt/

inexpert

Meaning
not skilled or experienced; lacking expertise
Example
The inexpert handling of the machine caused several mistakes.
C2 adjective /ɒmˈnɪp.ə.tənt/

omnipotent

Meaning
Having unlimited power; able to do anything; all-powerful.
Example
In many religions, God is considered omnipotent.
C2 adjective /ˌɛl.ɪˈdʒaɪ.ək/

elegiac

Meaning
Expressing sorrow, often for something past; resembling an elegy.
Example
The novel ends on an elegiac note, mourning the lost era.
C2 verb /ˈflædʒəˌleɪt/

flagellate

Meaning
to whip or flog someone, either literally or as a form of punishment or self-discipline
Example
In history, some monks would flagellate themselves as penance.
C2 noun /ˌdɪfəˈrɛnʃə/

differentia

Meaning
A distinguishing characteristic that sets one thing apart from another.
Example
The differentia of humans is their ability to reason abstractly.
C2 adjective/noun /ˌhaɪərəˈɡlɪfɪk/

hieroglyphic

Meaning
Relating to or written in hieroglyphs; symbols or writing that is difficult to understand.
Example
The archaeologists studied the hieroglyphic inscriptions carefully.
C2 noun /ˈmænˌiː.tər/

man-eater

Meaning
An animal that kills and eats humans; informally, a woman who is very assertive in relationships.
Example
The tiger became a notorious man-eater in the village.
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 adjective /ɪnˈsɪpiənt/

incipient

Meaning
in an initial stage; beginning to develop
Example
The incipient storm made the sky turn dark and heavy.
C2 adjective /ˌɪnɪkˈstɛnsəbl/

inextensible

Meaning
Not capable of being stretched or extended.
Example
This rope is made of an inextensible material.
C2 verb /ɪnˈdʒɛst/

ingest

Meaning
To take food, drink, or another substance into the body, usually by swallowing.
Example
The patient must ingest the medicine with water.
C2 verb /skʌlk/

skulk

Meaning
to move or hide secretly, often because you are planning something bad or are feeling guilty
Example
He tried to skulk in the shadows to avoid being seen.
C2 noun /ˌrɛtəˈrɪʃən/

rhetorician

Meaning
A person who is skilled in the art of rhetoric or persuasive speaking/writing.
Example
The rhetorician captivated the audience with his eloquence.
C2 verb /ˈdʒæbər/

jabber

Meaning
To talk quickly and excitedly but with little sense.
Example
The children jabbered happily after the show.
C2 adjective /sɪˈdɪʃəs/

seditious

Meaning
Encouraging rebellion against authority.
Example
The activist spread seditious pamphlets among the crowd.
C2 noun /ˈneɪˌseɪ.ɪŋ/

naysaying

Meaning
The act of expressing negative or pessimistic views.
Example
His constant naysaying discouraged the team.
C2 adjective /ɪˈmɪsəbl/

immiscible

Meaning
Describes liquids that do not mix together.
Example
Oil and water are immiscible liquids.