doublet
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C2 noun /ˈdʌblɪt/

doublet

Meaning
a close-fitting jacket worn by men in the Renaissance; also, a pair of similar things
Example
The actor wore a velvet doublet for the Shakespearean play.
C2 noun /dɪˈpləʊmətɪst/

diplomatist

Meaning
A person skilled in diplomacy; another word for diplomat.
Example
The diplomatist handled the negotiations with great tact.
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 verb /ˈɛkskʌlpeɪt/

exculpate

Meaning
to show or declare that someone is not guilty of wrongdoing
Example
The lawyer worked hard to exculpate his client.
C2 noun /wɛlp/

whelp

Meaning
a young offspring of a dog or other carnivorous mammal; sometimes used to mean an impudent young person
Example
The farmer found a wolf whelp hiding near the barn.
C2 noun ˈdɒɡ.ɪd.nəs

doggedness

Meaning
Stubborn persistence in achieving something without giving up.
Example
His doggedness in pursuing his goals was inspiring.
C2 noun /ˈpɛrɪstaɪl/

peristyle

Meaning
A continuous porch formed by a row of columns surrounding the perimeter of a building or courtyard.
Example
The Roman villa featured a beautiful peristyle garden.
C2 noun /bɪˈhiː.mɒθ/

behemoth

Meaning
Something enormous, especially a large and powerful organization.
Example
The company grew into a corporate behemoth.
C2 noun /ˈbroʊɡən/

brogan

Meaning
A heavy, sturdy shoe, often made of leather.
Example
The farmer wore old brogans while working in the field.
C2 adjective /ˈpruːdɪʃ/

prudish

Meaning
having or revealing a tendency to be easily shocked by matters relating to sex or nudity
Example
She was too prudish to watch the movie with her friends.
C2 noun /ˌdɛkəˈsɪləbəl/

decasyllable

Meaning
A line of verse with ten syllables.
Example
The poet often wrote in decasyllable form.
C2 adjective əˈsɪd.ju.əs

assiduous

Meaning
Showing great care and perseverance; diligent and hardworking.
Example
His assiduous efforts led to a successful career.
C2 verb /pərˈveɪ/

purvey

Meaning
to supply or provide goods, services, or information, often as a business
Example
The company purveys organic food to health-conscious customers.
C2 noun /ˈrɛlɪkwɛri/

reliquary

Meaning
a container for holy relics
Example
The ancient reliquary was decorated with gold and precious stones.
C2 adjective /ˌlɛvəlˈhɛdɪd/

levelheaded

Meaning
calm and sensible; showing good judgment.
Example
She remained levelheaded during the crisis.
C2 adjective /voʊˈsɪfərəs/

vociferous

Meaning
expressing feelings or opinions in a loud and forceful way
Example
The vociferous crowd demanded justice.
C2 noun /ˌhaɪdroʊdaɪˈnæmɪks/

hydrodynamics

Meaning
The branch of science concerned with the motion of fluids, especially liquids, and the forces acting on solid bodies immersed in fluids.
Example
Hydrodynamics is essential in designing efficient ship hulls.
C2 noun /ˈdɛvɪltrɪ/

deviltry

Meaning
Cruel or malicious behavior; mischief with an evil aspect.
Example
The villain’s deviltry terrified the townsfolk.
C2 noun /ˈhɛksəˌpɒd/

hexapod

Meaning
An insect or other organism with six legs.
Example
The scientist observed a hexapod crawling on the leaf.
C2 noun /ˈsɔː.dər/

Sawder

Meaning
flattering or wheedling talk; soft soap
Example
His sawder couldn't convince anyone of his sincerity.
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 adjective /ˈpɛkənt/

peccant

Meaning
Guilty of a moral offense or wrongdoing; sinful.
Example
The judge declared the peccant official unfit for office.
C2 noun /ˈbɪɡ.ə.mɪst/

bigamist

Meaning
A person who commits the crime of marrying someone while already married to another.
Example
The man was arrested for being a bigamist.
C2 noun /ˌpliːnɪpəˈtɛnʃəri/

plenipotentiary

Meaning
a person invested with full power to act on behalf of another, especially in diplomacy
Example
The ambassador was a plenipotentiary sent to negotiate the treaty.
C2 noun /kəˈdævər/

cadaver

Meaning
A dead human body, especially one used for medical study.
Example
Medical students dissected the cadaver to learn about human anatomy.
C2 adjective /dɪsˈkɜrsɪv/

discursive

Meaning
Tending to digress or move from topic to topic; lengthy and rambling.
Example
His discursive style made the lecture hard to follow.
C2 noun /ˈwɛlkɪn/

welkin

Meaning
The sky, the heavens, or the upper air.
Example
The eagle soared high into the welkin.
C2 verb /prɪmp/

primp

Meaning
To spend time making minor adjustments to one's appearance.
Example
She primped in front of the mirror before the party.
C2 noun ˈtɛlɪˌmɛtri

telemetry

Meaning
The process of recording and transmitting the readings of an instrument.
Example
The spacecraft transmitted telemetry data back to Earth.
C2 adjective /ˈfætʃuəs/

fatuous

Meaning
silly or foolish, especially in a self-satisfied way
Example
His fatuous comments during the meeting annoyed everyone.
C2 adjective /ˌɪntərˈlɒkjətəri/

interlocutory

Meaning
Given during the course of a legal action, not final but temporary or provisional.
Example
The judge issued an interlocutory order to maintain the status quo until the hearing.
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 /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 adjective /ˈfluːtɪd/

fluted

Meaning
having grooves or ridges, often for decoration
Example
The vase had a beautiful fluted design around the rim.
C2 verb /həˈbɪtʃuˌeɪt/

habituate

Meaning
to make someone accustomed to something
Example
The monks habituated themselves to meditation.
C2 noun /məˈʃiː.nɪst/

machinist

Meaning
a person who operates machine tools or makes and repairs machines
Example
The machinist carefully adjusted the gears on the lathe.
C2 adjective /ˈwɪznd/

wizened

Meaning
Shriveled, wrinkled, or withered, often due to age.
Example
The wizened tree stood in the field for centuries.
C2 verb /ˈtæri/

tarry

Meaning
To delay or linger; to stay longer than intended.
Example
Do not tarry, or you will miss the train.
C2 verb /ˈkælvɪnaɪz/

calvinize

Meaning
to imbue with the principles or doctrines of Calvinism
Example
The preacher sought to calvinize the community with strict teachings.
C2 adjective /ˈsɜːrkəmskraɪbd/

circumscribed

Meaning
restricted or limited in scope or freedom
Example
Her freedom of choice was circumscribed by social rules.
C2 noun /ˌmɪstɪfɪˈkeɪʃən/

mystification

Meaning
the act of making something unclear or confusing; a state of being puzzled or bewildered
Example
The audience watched in mystification as the magician performed his tricks.
C2 adjective /mæɡˈnæn.ɪ.məs/

magnanimous

Meaning
Very kind and generous, especially towards a rival or someone less powerful than oneself.
Example
His magnanimous nature made him respected by all.
C2 adjective /krəˈmætɪk/

chromatic

Meaning
Relating to colors or, in music, notes outside the standard scale.
Example
The artist used a chromatic palette to create vibrant contrasts.
C2 noun /rɪˈpruːf/

reproof

Meaning
An expression of blame or disapproval.
Example
His careless words drew a sharp reproof from his mother.
C2 noun /ˌɛfləˈrɛsəns/

efflorescence

Meaning
the process of flowering or reaching an optimal stage of development
Example
The garden was at the peak of its efflorescence in spring.
C2 noun /ˈflɪpənsi/

flippancy

Meaning
lack of seriousness; showing a disrespectful or trivial attitude
Example
His flippancy during the meeting offended his colleagues.
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 noun /ˈdjʊərəns/

durance

Meaning
imprisonment or confinement
Example
The prisoner spent years in durance before his release.
C2 noun /ˈkedʒ.ə.riː/

Kedgeree

Meaning
a European dish of cooked rice, fish, and hard-boiled eggs, originally from India
Example
The breakfast menu featured traditional kedgeree with smoked haddock and eggs.
C2 noun /ˈpæk.ɪ.dɜːrm/

pachyderm

Meaning
a large mammal with thick skin, such as an elephant, rhinoceros, or hippopotamus
Example
The zoo had several pachyderms, including elephants and rhinos.
C2 verb /ˈpɜːrdʒər/

perjure

Meaning
To knowingly tell a lie in a court of law after swearing to tell the truth.
Example
He was accused of trying to perjure himself during the trial.
C2 adjective /kəˈmoʊdiəs/

commodious

Meaning
spacious and comfortable; having plenty of room
Example
They rented a commodious apartment in the city.
C2 noun /ˈɡælvəˌnɪzəm/

galvanism

Meaning
Electricity produced by chemical action, especially in a battery; the therapeutic use of electricity in medicine.
Example
Galvanism played a key role in early experiments with electricity.
C2 noun ˈlɪɡ.nəʊˌsæt

LignoSat

Meaning
A wooden satellite that demonstrates the use of wood in space technology.
Example
LignoSat demonstrates the use of wood in space.
C2 noun, adjective /ˌæntiˌspæzˈmɒdɪk/

antispasmodic

Meaning
A drug or agent that relieves or prevents muscle spasms.
Example
The doctor prescribed an antispasmodic to ease the pain.
C2 adjective /ˌfæntæzməˈɡɒrɪkəl/

phantasmagorical

Meaning
Having a fantastic, dreamlike, or surreal appearance, often shifting or illusory.
Example
The movie created a phantasmagorical vision of another world.
C2 noun ˈbaɪəʊˌsaɪd

biocide

Meaning
A chemical substance or microorganism intended to destroy, deter, render harmless, or exert a controlling effect on any harmful organism.
Example
Biocides help control pests and reduce the spread of diseases.
C2 noun /ˌbæstərdaɪˈzeɪʃən/

bastardization

Meaning
the act of corrupting, degrading, or misrepresenting something
Example
Critics called the remake a bastardization of the original film.
C2 verb /lɪr/

leer

Meaning
To look at someone in an unpleasant, sly, or sexually suggestive way.
Example
He leered at her in a way that made her uncomfortable.
C2 verb /ˈvɪʃieɪt/

vitiate

Meaning
to spoil, weaken, or make something less effective
Example
One careless remark can vitiate the entire argument.
C2 noun /məˈnɪʃən/

monition

Meaning
A warning or caution, often of a religious or moral nature.
Example
The priest gave a monition against dishonesty.
C2 noun ˌæɡ.roʊˈiː.koʊˌsɪs.təm

agroecosystem

Meaning
An ecological system centered on agricultural activities and processes.
Example
A healthy agroecosystem improves soil fertility.
C2 adjective /ˌkɒn.tjʊˈmeɪ.ʃəs/

contumacious

Meaning
stubbornly disobedient or rebellious
Example
The contumacious student refused to follow the school rules.
C2 adjective /ˈtɜːrdʒɪd/

turgid

Meaning
Swollen or distended; (of language) pompous and overcomplicated.
Example
The professor’s lecture was so turgid that many students lost interest.
C2 noun /ˈdʒæk.dɔː/

Jack-daw

Meaning
a small gray and black bird of the crow family, known for its intelligence
Example
The jackdaw collected shiny objects for its nest.
C2 noun /ˈdɛkəˌliːtər/

decaliter

Meaning
A metric unit of capacity equal to ten liters.
Example
The container could hold up to one decaliter of water.
C2 adjective /ˌɪnkəmˈbʌstəbl/

incombustible

Meaning
Not capable of catching fire or burning.
Example
This material is incombustible and safe for construction.
C2 verb /ɪnˈɡreɪʃiˌeɪt/

ingratiate

Meaning
To gain favor or approval by deliberate effort, often in a flattering way.
Example
She tried to ingratiate herself with her boss by complimenting him often.
C2 noun /ænˈtɪfəni/

antiphony

Meaning
a form of music in which two or more groups or choirs sing alternately in response to each other
Example
The cathedral's architecture was designed to enhance the effect of antiphony.
C2 adjective /ʌnˈwəʊntɪd/

unwonted

Meaning
Unusual, uncommon, or out of the ordinary.
Example
She spoke with an unwonted gentleness that surprised everyone.
C2 noun /ˈpraɪəri/

priory

Meaning
a small monastery or convent governed by a prior or prioress
Example
The old priory was converted into a museum.
C2 noun ˌpɜː.tɪˈnæs.ɪ.ti

pertinacity

Meaning
Firm determination and persistence in achieving something.
Example
His pertinacity in achieving his goals was inspiring.
C2 adjective /ˈmeɪndʒi/

mangy

Meaning
in poor condition, shabby, dirty, or affected by mange
Example
The stray dog looked mangy and weak.
C2 adjective /ɪnˈsuːsiənt/

insouciant

Meaning
Showing a casual lack of concern; carefree.
Example
He gave an insouciant shrug and walked away.
C2 adjective /ɔːrˈθɑːɡənl/

orthogonal

Meaning
at right angles; independent or unrelated
Example
In mathematics, two vectors are orthogonal if their dot product is zero.
C2 noun /ɪˌluːmɪˈnɑːti/

illuminati

Meaning
a group of people claiming to have special enlightenment or secret knowledge, often linked to conspiracies
Example
Many conspiracy theories involve the Illuminati as a secret world-controlling group.
C2 noun /ɪnˈkʌmbrəns/

encumbrance

Meaning
a burden or obstacle that makes progress or movement difficult
Example
Debt can become a serious encumbrance in life.
C2 verb /ˈɒsɪfaɪ/

ossify

Meaning
to turn into bone or become rigid and inflexible
Example
With age, some tissues tend to ossify.
C2 verb /seɪt/

sate

Meaning
To satisfy fully or to excess.
Example
The huge meal sated their hunger after the long journey.
C2 verb /ɪmˈpeɪl/

impale

Meaning
to pierce or fix something with a sharp object
Example
The knight was impaled by the enemy’s spear.
C2 noun /əˈklɪvɪti/

acclivity

Meaning
An upward slope or incline on the ground.
Example
The hikers struggled as they climbed the steep acclivity.
C2 noun /ˈhɜːrmɪtɪdʒ/

hermitage

Meaning
A secluded residence or retreat, often for a hermit or religious recluse.
Example
The monk spent years in a hermitage deep in the forest.
C2 noun /baɪt/

bight

Meaning
A bend or curve in a geographical feature, especially a coastline, or a loop in a rope.
Example
The sailors anchored in the calm waters of the bight.
C2 noun /ɒmˈnɪʃəns/

omniscience

Meaning
the state of knowing everything
Example
The novel's narrator has an air of omniscience, revealing every character's thoughts.
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 /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 /ˈslæt.ən/

slattern

Meaning
a woman who is untidy or slovenly in appearance or habits
Example
The house looked as if a slattern lived there.
C2 adjective /sɪˈlæbɪk/

syllabic

Meaning
Relating to or based on syllables.
Example
The teacher explained the syllabic structure of the word.
C2 noun/adjective /rɪˈmɒnstrənt/

remonstrant

Meaning
A person who makes a forceful protest (noun); protesting or objecting (adjective).
Example
He was a remonstrant voice in the assembly.
C2 noun /ˈmɛzməˌrɪzəm/

mesmerism

Meaning
A state of fascination or hypnotism.
Example
The magician held the audience in a state of mesmerism.
C2 noun /ˈhɑːr.bɪn.dʒər/

Harbinger

Meaning
a person or thing that announces or signals the approach of another; a forerunner of something
Example
The first robin of spring is often considered a harbinger of warmer weather to come.
C2 noun /rɪˈkɒɡnɪzəns/

recognizance

Meaning
A legal obligation or bond entered into before a court, especially to ensure future appearance.
Example
He was released on his own recognizance.
C2 noun /ˈprɛlət/

prelate

Meaning
A high-ranking member of the clergy, especially a bishop or abbot.
Example
The prelate delivered a sermon to the congregation.
C2 noun /ˈθrɛnədi/

threnody

Meaning
A song, poem, or speech of mourning for someone who has died; a lament.
Example
The poet composed a moving threnody for the fallen soldiers.
C2 adjective /vɛˈstɪdʒiəl/

vestigial

Meaning
Relating to a small, undeveloped remnant of something that was once much larger or more functional.
Example
Humans have a vestigial tailbone that no longer serves its original purpose.
C2 adjective /ˌprɒvɪˈdɛnʃəl/

providential

Meaning
occurring at a favorable or opportune time, as if guided by divine intervention
Example
Their timely rescue was considered providential.
C2 noun /ˈpɒl.iˌθi.ɪz.əm/

polytheism

Meaning
the belief in or worship of multiple gods
Example
Ancient Greeks practiced polytheism, worshiping gods like Zeus and Athena.
C2 noun /ˈvaɪsrɔɪ/

viceroy

Meaning
a ruler exercising authority on behalf of a sovereign in a colony or province
Example
The viceroy governed the colony in the king's name.
C2 adjective /ˈwɪzn feɪst/

wizen-faced

Meaning
Having a dry, wrinkled, and withered face.
Example
A wizen-faced old man sat quietly in the corner.
C2 adjective /mɔːrˈdeɪʃəs/

mordacious

Meaning
Sharp or biting in style, tone, or remark; sarcastic.
Example
The critic’s mordacious review offended the author.
C2 noun /ˈræp.aɪn/

rapine

Meaning
the violent seizure of someone's property
Example
The war was marked by rapine and destruction.
C2 noun ˌfjuːmɪˈɡeɪʃən

fumigation

Meaning
The practice of disinfecting or purifying an area using gas or smoke.
Example
Fumigation is an effective method to control pest infestations.
C2 noun /ɪˌlɛkˈtrɑː.lə.sɪs/

electrolysis

Meaning
A chemical decomposition produced by passing an electric current through a liquid or solution.
Example
Electrolysis is used to separate hydrogen from water.
C2 adjective /bɪˈfɒɡd/

befogged

Meaning
Confused or clouded in mind; made unclear like being surrounded by fog.
Example
His mind felt befogged after the long and exhausting meeting.
C2 noun /ɪnˈɛrənsi/

inerrancy

Meaning
the belief or quality of being free from error; absolute correctness
Example
Some religious groups strongly affirm the inerrancy of their sacred texts.
C2 adjective /ˈprɒmɪsəri/

promissory

Meaning
Containing or conveying a promise, especially in writing.
Example
He signed a promissory note to repay the loan.
C2 adjective /ɪnˈskruːtəbl̩/

inscrutable

Meaning
impossible to understand or interpret
Example
His inscrutable expression made it hard to know what he was thinking.
C2 noun /kɪˈrɒpədɪst/

chiropodist

Meaning
A healthcare professional who diagnoses and treats foot problems.
Example
The chiropodist treated her painful corns and calluses.
C2 noun /ˌɛləˈkjuːʃn/

elocution

Meaning
The skill of clear and expressive speech, especially in public speaking.
Example
She improved her elocution through constant practice.
C2 noun /ˌɪkθiˈɒlədʒi/

ichthyology

Meaning
The branch of zoology that deals with fish.
Example
He pursued a degree in ichthyology at the university.
C2 noun /ˈdɒɡ roʊz/

Dog-rose

Meaning
A wild rose species with pink or white flowers and thorny stems, common in hedgerows
Example
The dog-rose bush grew wild along the countryside path.
C2 adjective /ˈvɪrəl/

virile

Meaning
having traditionally masculine qualities, such as strength, energy, and sexual vigor
Example
The actor was admired for his virile appearance.
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 /məˈlɑː.ti/

Malati

Meaning
a fragrant climbing plant with small white flowers, commonly known as jasmine
Example
The malati vine covered the garden wall with sweet-smelling flowers.
C2 adjective /ˈdæpəld/

dappled

Meaning
Marked with spots or patches of light and shade or different colors.
Example
The forest floor was dappled with sunlight.
C2 noun /ˌnjuːməˈreɪʃən/

numeration

Meaning
the action or process of counting or assigning numbers
Example
The teacher explained the basics of numeration to the students.
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 verb /ˌweɪˈleɪ/

waylay

Meaning
to stop or interrupt someone unexpectedly, often to attack or detain them
Example
He was waylaid by reporters as he left the courthouse.
C2 adjective /ˈsed.j ə.l ə s/

Sedulous

Meaning
showing dedication and diligence; persistent and careful in work
Example
She was sedulous in her research, spending hours in the library every day.
C2 noun /ˈkæriən/

carrion

Meaning
the decaying flesh of dead animals
Example
Vultures feed on carrion left in the fields.
C2 adjective /ˌævəˈrɪʃəs/

avaricious

Meaning
having or showing extreme greed for wealth or material gain
Example
The avaricious landlord increased the rent unfairly.