off-key
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C2 adjective /ˌɔːfˈkiː/

off-key

Meaning
out of tune; not in accordance with expected standards
Example
The singer was slightly off-key during the performance.
C2 noun /ˈmeɪdənˌhʊd/

maidenhood

Meaning
The state of being a maiden; girlhood or virginity.
Example
The poem celebrated the innocence of maidenhood.
C2 noun /ˈpoʊltɪs/

poultice

Meaning
a soft, moist mass of material applied to the body to relieve soreness and inflammation
Example
The nurse applied a warm poultice to his injured leg.
C2 noun /ˈsɪniæst/

cineast

Meaning
A film enthusiast or filmmaker; a person deeply interested in cinema.
Example
As a true cineast, she spends most weekends watching classic films.
C2 noun /pɜːr bɔɪld raɪs/

Per boiled rice

Meaning
Rice that has been partially boiled in the husk before milling; parboiled rice
Example
Per boiled rice retains more nutrients than regular white rice.
C2 noun /sɪˈdɪʃ.ən/

Sedition

Meaning
conduct or speech inciting people to rebel against authority; treason
Example
The activist was charged with sedition for his inflammatory speeches.
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 /ˈfiːəlti/

fealty

Meaning
loyalty or allegiance, especially to a sovereign or lord
Example
The knight swore fealty to his king.
C2 noun /ˈɡʌl.i/

gully

Meaning
A narrow channel or ravine worn away by water.
Example
After the storm, the road was cut by a deep gully.
C2 noun /ˌækwəˈpɒnɪks/

aquaponics

Meaning
A system of aquaculture in which the waste produced by farmed fish or other aquatic animals supplies nutrients for plants grown hydroponically.
Example
Aquaponics efficiently utilizes water by integrating fish and plant farming.
C2 noun /bɪər/

bier

Meaning
a frame or stand on which a coffin or body is placed before burial or cremation
Example
The coffin was placed on the bier during the funeral service.
C2 adjective fɔːˈtjuː.ɪ.təs

fortuitous

Meaning
Happening by accident or chance rather than design; lucky or fortunate.
Example
Their meeting was purely fortuitous.
C2 adjective /ˈklæmərəs/

clamorous

Meaning
making a loud and confused noise; expressing strong demands noisily
Example
The clamorous audience demanded an encore from the band.
C2 adjective ˌɪm.pəˈtɜː.bə.bəl

imperturbable

Meaning
Unable to be upset or excited; not easily disturbed.
Example
His imperturbable nature made him a great leader.
C2 noun /lɔːˈdeɪʃən/

laudation

Meaning
The act of praising or expressing approval.
Example
The poet received much laudation for his moving verses.
C2 verb /ɪˈdjuːs/

educe

Meaning
To draw out or bring forth something latent or hidden.
Example
The teacher tried to educe a response from the shy student.
C2 noun /naɪt ˈdʒæz.mɪn/

Night-jesmine

Meaning
a fragrant flowering tree that blooms at night with small white flowers
Example
The night-jasmine tree blooms only after sunset with its tiny white flowers.
C2 noun /tiːˈtoʊtəlɪzəm/

teetotalism

Meaning
the practice or principle of abstaining completely from alcoholic drinks
Example
He practiced teetotalism throughout his life.
C2 noun /ɪnˈtɜːrstɪs/

interstice

Meaning
a small space that lies between things
Example
Light filtered through the narrow interstices of the wall.
C2 adjective /ˈbɛərˌfeɪst/

barefaced

Meaning
shameless and undisguised; openly bold or unashamed
Example
He told a barefaced lie in front of everyone.
C2 noun /ˈɡæliən/

galleon

Meaning
A large sailing ship used mainly by Europeans from the 16th to 18th centuries.
Example
The Spanish galleon carried treasures across the Atlantic.
C2 adjective /baɪˈkæmərəl/

bicameral

Meaning
Having two branches or chambers, especially in a legislature.
Example
The United States has a bicameral legislature consisting of the Senate and the House of Representatives.
C2 verb /ˈdɛsɪkeɪt/

desiccate

Meaning
to dry up completely or remove the moisture from something
Example
The hot sun can quickly desiccate plants in the desert.
C2 noun /meɪndʒ/

mange

Meaning
a skin disease in animals caused by parasitic mites, leading to hair loss and sores
Example
The stray dog was suffering from mange.
C2 noun ˌɛr.jʊˈdɪʃ.ən

erudition

Meaning
The quality of having or showing great knowledge or learning; scholarship.
Example
His erudition in history impressed the entire audience.
C2 noun /ˈɛpɪɡræm/

epigram

Meaning
A short, witty saying or poem that expresses an idea in a clever way.
Example
Oscar Wilde was famous for his sharp epigrams.
C2 verb /ˌɪnkəˈpæsɪteɪt/

incapacitate

Meaning
to deprive someone or something of the ability or strength to function
Example
The severe injury incapacitated the player for the rest of the season.
C2 adjective /kənˈdʌktəbl̩/

conductible

Meaning
capable of being conducted, especially electricity or heat
Example
Copper is highly conductible to electricity.
C2 noun /ɡlʌt/

glut

Meaning
An excessive supply of something; more than is needed.
Example
There was a glut of cheap smartphones in the market.
C2 noun /ˈlɪbərˌtiːn/

libertine

Meaning
A person who behaves without moral principles, especially in sexual matters.
Example
The novel depicted the reckless life of a libertine in 18th century France.
C2 adjective /ˈblaɪðsəm/

blithesome

Meaning
cheerful, carefree, and full of joy
Example
She entered the room with a blithesome smile that lifted everyone's spirits.
C2 noun, verb /ˈhæmstrɪŋ/

hamstring

Meaning
a tendon at the back of the thigh; as a verb, to cripple or severely restrict the effectiveness of someone or something.
Example
Budget cuts hamstrung the organization’s plans.
C2 noun /ˈæn.oʊd/

anode

Meaning
The positive electrode in a device such as a battery, where current flows into a polarized electrical device.
Example
The anode of the battery was corroded after long use.
C2 verb /beɪst/

baste

Meaning
to pour or brush melted fat, juices, or liquid over meat during cooking to keep it moist
Example
She basted the turkey every 30 minutes to keep it juicy.
C2 noun /ˌhoʊmə.dʒəˈniːəti/

homogeneity

Meaning
The quality or state of being all the same or all of the same kind.
Example
The cultural homogeneity of the village made it feel unified.
C2 noun /ˈkreɪniəm/

cranium

Meaning
the skull, especially the part enclosing the brain
Example
The archaeologists carefully examined the ancient cranium.
C2 noun /ˌmænjəˈmɪʃən/

manumission

Meaning
The act of a slave owner freeing their slaves.
Example
The manumission of the slaves marked a turning point in history.
C2 noun /noʊl koʊl/

Knol khol

Meaning
round bulbous vegetable from cabbage family with pale green color and mild taste
Example
Knol khol can be eaten raw in salads or cooked in curries.
C2 noun /pəˈruːzl/

perusal

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

dys-

Meaning
A prefix meaning abnormal, bad, difficult, or impaired.
Example
Words like 'dysfunction' and 'dyslexia' use the prefix dys- to indicate difficulty or impairment.
C2 noun /ˈsaʊər wʊd ˈæp.əl/

Sour wood apple

Meaning
a tropical fruit with hard shell and tangy flesh; elephant apple
Example
The sour wood apple has a unique taste that many people enjoy.
C2 verb /blæsˈfiːm/

blaspheme

Meaning
to speak irreverently about God or sacred things
Example
He was accused of blaspheming during the heated argument.
C2 verb /əˈlɪtəreɪt/

alliterate

Meaning
to repeat the same consonant sound at the beginning of words in a phrase or sentence
Example
The poet often alliterates words to create rhythm.
C2 adverb /ˌɛkspəˈdɪʃəsli/

expeditiously

Meaning
in a quick and efficient manner
Example
The application was processed expeditiously.
C2 noun /ˈrɒndoʊ/

rondo

Meaning
a musical composition with a recurring leading theme
Example
The pianist ended the recital with a lively rondo.
C2 noun /ˈɔːrdʒi/

orgy

Meaning
A wild party involving excessive indulgence, especially of a sexual nature.
Example
The novel described a scandalous orgy in a wealthy mansion.
C2 verb ˈlev.ɪ.teɪ.tɪŋ

levitating

Meaning
Rising and hovering in the air, especially as a result of supernatural or magical power.
Example
The levitating structure is an engineering marvel.
C2 noun /fɪntʃ/

finch

Meaning
a small songbird with a short, stout bill
Example
A colorful finch perched on the branch singing sweetly.
C2 adjective ˌmɔː.fəˈlɒdʒ.ɪ.kəl

morphological

Meaning
Related to the structure and formation of words; concerning morphology in linguistics.
Example
Morphological analysis helps AI understand word structures.
C2 verb /dɪˈkæmp/

decamp

Meaning
To depart suddenly or secretly, often to avoid trouble or escape.
Example
The thief decamped before the police arrived.
C2 noun /ˈdɛvɪlri/

devilry

Meaning
Wicked or cruel behavior; mischievous actions.
Example
The children were full of devilry on Halloween night.
C2 verb /diːˈnæʃənəlaɪz/

denationalize

Meaning
to transfer ownership from the government to private individuals or companies
Example
The government decided to denationalize the bank to encourage private investment.
C2 noun /ɒmˈnɪpətəns/

omnipotence

Meaning
The quality of having unlimited power or authority.
Example
Many religions describe God’s omnipotence as absolute.
C2 noun /ˌfɪziˈɒnəmi/

physiognomy

Meaning
the study of facial features to judge character or personality
Example
He believed in physiognomy and tried to read people's personalities from their faces.
C2 noun /ˈɡɔːntlɪt/

gauntlet

Meaning
a protective glove; a challenge or trial; to 'throw down the gauntlet' means to issue a challenge
Example
The knight threw down his gauntlet as a sign of challenge.
C2 adjective /roʊn/

roan

Meaning
denoting an animal, especially a horse, having a coat of mixed colors, typically reddish-brown and white
Example
The rider mounted a roan horse with a speckled coat.
C2 adjective /ˈdɪsəluːt/

dissolute

Meaning
lacking moral restraint; indulging excessively in sensual pleasures
Example
He led a dissolute life filled with parties and gambling.
C2 adjective /ˈɪkθiɪk/

ichthyic

Meaning
Relating to or resembling fish.
Example
The artist's painting had an ichthyic quality.
C2 adjective /ˌmɪsənˈθrɑːpɪk/

misanthropic

Meaning
having or showing a dislike of humankind
Example
His misanthropic attitude made it difficult for him to make friends.
C2 noun /doʊlt/

dolt

Meaning
A stupid or slow-witted person.
Example
Only a dolt would believe such a story.
C2 noun /ˈwɛlkɪn/

welkin

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

infrequence

Meaning
The state of occurring rarely or at long intervals.
Example
The infrequence of their meetings made it hard to maintain close ties.
C2 verb /ɪnˈdɒktrɪˌneɪt/

indoctrinate

Meaning
To teach someone to fully accept a set of beliefs or ideas without question.
Example
The regime tried to indoctrinate the youth with propaganda.
C2 noun /ɡriːn pəˈpaɪə/

Green Papaya

Meaning
unripe papaya fruit used as a vegetable in cooking, especially in Asian cuisine
Example
Green papaya salad is a popular dish in Thai cuisine.
C2 noun /ˈmɪs.kri.ənt/

Miscreant

Meaning
A person who behaves badly or illegally; a villain or criminal
Example
The miscreant was caught stealing from the store.
C2 adjective /dɪˈkɔːrəs/

decourous

Meaning
characterized by propriety, good taste, and proper manners
Example
She maintained a decourous silence during the ceremony.
C2 noun /ˈdʌlərd/

dullard

Meaning
a slow or stupid person
Example
He was considered a dullard by his classmates.
C2 verb /ˈmæsəˌreɪt/

macerate

Meaning
to soften or break up something, especially food, by soaking in liquid
Example
The chef macerated the fruit in wine before serving.
C2 noun /ˈkriːdoʊ/

credo

Meaning
A statement of the beliefs or aims that guide someone's actions.
Example
Honesty has always been the central credo of his life.
C2 adjective /ˈkʌvətəs/

covetous

Meaning
having or showing a strong desire for someone else's possessions
Example
She gave him a covetous look when he showed his new watch.
C2 noun /əˈbluːʃən/

ablution

Meaning
the act of washing oneself, often for religious purposes
Example
He performed his morning ablution before the prayer.
C2 noun /traɪˈʌmvɪrət/

triumvirate

Meaning
A political regime ruled or dominated by three powerful individuals.
Example
The Roman Republic was once governed by a triumvirate.
C2 adjective /ɪmˈpɪəriəs/

imperious

Meaning
Arrogantly domineering or overbearing.
Example
Her imperious tone made it hard for others to argue.
C2 noun /ˈfaɪəl/

phial

Meaning
a small glass container for liquids, especially medicines
Example
The doctor gave her a phial of medicine.
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 noun /klaɪm/

clime

Meaning
A region defined by its climate.
Example
He traveled to warmer climes during the winter.
C2 adjective, noun /ˈænθrəpɔɪd/

anthropoid

Meaning
Resembling a human being in form; a primate such as apes and monkeys.
Example
The gorilla is considered an anthropoid ape.
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 verb /ˈsnɪvəl/

snivel

Meaning
to cry or complain in a weak or annoying way
Example
He began to snivel when he didn’t get his way.
C2 verb /priːˈdɛstɪn/

predestine

Meaning
to determine or decide something in advance, often regarded as being fixed by fate or divine will
Example
They believed their paths were predestined by fate.
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 /ˌɔːrəˈtɔːri.oʊ/

oratorio

Meaning
A large-scale musical composition for orchestra, choir, and soloists, usually on a sacred theme, performed without costumes or scenery.
Example
Handel's 'Messiah' is one of the most famous oratorios ever written.
C2 verb /kəˈmɪŋɡəl/

commingle

Meaning
To mix or blend different things together.
Example
The charity does not commingle donations with operational funds.
C2 noun /dɪˈbɛntʃər/

debenture

Meaning
a type of debt instrument not secured by physical assets or collateral
Example
The company raised capital by issuing debentures to investors.
C2 verb, noun /blæb/

blab

Meaning
to talk too much or reveal secrets carelessly; excessive or foolish talk
Example
He accidentally blabbed the surprise to everyone.
C2 verb /ˌriː.kəˈnɔɪ.tər/

reconnoiter

Meaning
to make a preliminary inspection or survey, especially of an area for military or strategic purposes
Example
The soldiers reconnoitered the area before advancing.
C2 noun /ˈfɪli/

filly

Meaning
a young female horse
Example
The filly ran swiftly across the meadow.
C2 verb /ˈblændɪʃ/

blandish

Meaning
to flatter or coax someone with kind words or praise in order to influence them
Example
He blandished the officials with compliments to gain their support.
C2 noun /ˈæntɪfɒn/

antiphon

Meaning
a short chant or verse sung responsively in Christian worship, typically sung before or after a psalm or canticle
Example
The choir sang the antiphon before beginning the main hymn.
C2 adjective /ˌdɛbəˈnɛr/

debonair

Meaning
confident, stylish, and charming, typically referring to a man
Example
He looked debonair in his tuxedo at the gala.
C2 adjective /ˈdɛprɪkətɔːri/

deprecatory

Meaning
expressing disapproval or belittling
Example
He gave a deprecatory remark about their performance.
C2 adjective /ˈpɑːmi/

palmy

Meaning
prosperous, flourishing, or relating to palm trees
Example
He often reminisced about the palmy days of his youth.
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 /ˌnjʊə.rəʊˈdʒɛn.ɪ.sɪs/

neurogenesis

Meaning
The process of forming new nerve cells in the brain.
Example
Scientists are studying neurogenesis to understand brain health.
C2 adjective /ˈʌndjʊleɪtɪŋ/

undulating

Meaning
Having a smoothly rising and falling form or motion like waves.
Example
We drove through undulating hills.
C2 noun /ɪˈluːʒən/

elusion

Meaning
The act of escaping or avoiding something, especially by cleverness or trickery.
Example
His constant elusion of responsibility frustrated his colleagues.
C2 adjective /ʌnˈtɛmpərd/

untempered

Meaning
not moderated or softened; lacking proper balance or control
Example
The untempered anger of the crowd caused chaos.
C2 noun /ˌɪn.ʌnˈdeɪ.ʃən/

inundation

Meaning
The act of flooding or overwhelming with water or things.
Example
The town suffered from a severe inundation after the heavy rains.
C2 adjective /ˈfɪnɪki/

finicky

Meaning
difficult to please; very particular about details
Example
He is so finicky about his food that he only eats organic vegetables.
C2 verb /lʌɡ/

lug

Meaning
to carry or drag something heavy or cumbersome with effort
Example
He had to lug the suitcase up three flights of stairs.
C2 noun /ˈɪmɪˌteɪtər/

imitator

Meaning
a person who copies the behavior, style, or actions of others
Example
He became famous as an imitator of popular singers.
C2 verb /ˈnuːkliˌeɪt/

nucleate

Meaning
to form into a nucleus or bring together into a central part
Example
The droplets began to nucleate around tiny particles in the air.
C2 verb /ɪnˈvaɪərən/

environ

Meaning
to surround or enclose; to encircle
Example
Mountains environ the small valley.
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 /ˈɪrˌsplɪtɪŋ/

earsplitting

Meaning
extremely loud or piercing sound
Example
The earsplitting noise of the fire alarm startled everyone.
C2 noun /ˈeɪʒən swɒmp iːl/

Asian swamp eel

Meaning
a snake-like freshwater fish that can survive in muddy waters and is considered a delicacy in South Asian cuisine
Example
Asian swamp eel can breathe air and survive in shallow muddy waters.
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 /ˈkoʊ.tə.ri/

coterie

Meaning
a small, exclusive group of people with shared interests
Example
He belonged to a coterie of artists who met every Friday.
C2 verb /traɪˈsɛkt/

trisect

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

befog

Meaning
to confuse or make unclear; to cover with fog or mist
Example
His mind was befogged by exhaustion.
C2 verb /ˌnɒnˈplʌs/

nonplus

Meaning
To surprise and confuse someone so much that they are unsure how to react.
Example
The unexpected question seemed to nonplus the speaker.
C2 adjective /dɪˈskrɛpənt/

discrepant

Meaning
showing a difference or inconsistency
Example
The witnesses gave discrepant accounts of the incident.
C2 noun /dɪˈpləʊmətɪst/

diplomatist

Meaning
A person skilled in diplomacy; another word for diplomat.
Example
The diplomatist handled the negotiations with great tact.
C2 verb /ɪnˈskɒns/

ensconce

Meaning
to settle comfortably or securely in a place; to hide or shelter firmly
Example
She ensconced herself in a cozy armchair by the fireplace.
C2 adjective /ˈfræk.ʃəs/

Fractious

Meaning
irritable and quarrelsome; difficult to control; bad-tempered
Example
The fractious child refused to follow any of the teacher's instructions.
C2 verb /ˌmɛtəˈmɔrfoʊz/

metamorphose

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

lout

Meaning
An uncouth or aggressive man or boy.
Example
The drunken lout caused a scene at the party.
C2 verb /vɪˈtjuːpəreɪt/

vituperate

Meaning
To criticize harshly or abuse verbally.
Example
The politician was quick to vituperate his opponents during the debate.
C2 noun /fəˈlɪsɪti/

felicity

Meaning
intense happiness; the ability to find appropriate expression for one's thoughts
Example
She was known for her felicity in conversation and cheerful nature.
C2 noun /ˌɛpɪˈdɜːrmɪs/

epidermis

Meaning
the outer layer of cells covering the body of an organism, especially the skin
Example
The epidermis protects the body from harmful bacteria.
C2 verb /ˈblʌdʒən/

bludgeon

Meaning
to hit someone with a heavy object; to force someone into doing something
Example
The guard was bludgeoned by the attacker in the alley.