progenitor
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN English BN Bengali HI Hindi ES Spanish FR French DE German RU Russian ZH Chinese JA Japanese
All Vocabulary Cards All Vocabularies
C2 noun /proʊˈdʒɛnɪtər/

progenitor

Meaning
a direct ancestor; a person or thing that originates something
Example
Researchers traced the custom back to a common progenitor.
C2 adjective /rɪˈfrɪndʒənt/

refringent

Meaning
Capable of refracting light or other waves.
Example
The refringent properties of the crystal bent the light into a spectrum.
C2 adjective /ɪnˈkɑːdʒɪtənt/

incogitant

Meaning
Lacking thought; inconsiderate or thoughtless.
Example
It was incogitant of him to make such a rude comment.
C2 adjective /pəˈlædʒ.ɪk/

pelagic

Meaning
Relating to the open sea or ocean water column, away from the shore.
Example
Pelagic fish like tuna are found far from the coast.
C2 noun /ˌædjʊˈleɪʃən/

adulation

Meaning
excessive admiration or flattery
Example
The singer enjoyed the adulation of her fans.
C2 adjective /æmˈbroʊʒiəl/

ambrosial

Meaning
Exceptionally pleasing to taste or smell; divine.
Example
The aroma of freshly baked bread was simply ambrosial.
C2 verb /bɪlk/

bilk

Meaning
To cheat or defraud someone of money or rights.
Example
The scammer tried to bilk elderly people out of their savings.
C2 adjective /ˈstɒlɪd/

stolid

Meaning
Calm, dependable, and showing little emotion or animation.
Example
Despite the chaos around him, he remained stolid and composed.
C2 noun /ˈæk.rɪ.moʊ.ni/

acrimony

Meaning
Bitterness and anger, especially in speech or behavior.
Example
The divorce was filled with acrimony and disputes.
C2 adjective /sɛpˈtɛnɪəl/

septennial

Meaning
Occurring every seven years.
Example
The festival is a septennial tradition in the village.
C2 noun /səbˈdʌk.ʃən/

subduction

Meaning
The lateral and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
Example
The Pacific Ring of Fire is an area of intense subduction.
C2 adjective /ˌmælˈoʊdərəs/

malodorous

Meaning
Having a very unpleasant smell.
Example
The malodorous room made everyone leave quickly.
C2 adjective /vɜːrˈtɪdʒɪnəs/

vertiginous

Meaning
Causing dizziness due to great height or steepness.
Example
The tourists looked down from the vertiginous cliffs with awe.
C2 noun /ˈjuːər/

ewer

Meaning
a large jug with a wide mouth, especially used in the past for carrying water
Example
The servant filled the ewer with fresh water.
C2 adjective /kənˈvɜːrsənt/

conversant

Meaning
familiar with or knowledgeable about something
Example
She is conversant with the latest developments in technology.
C2 adjective /ˈɛksplɪkəbəl/

explicable

Meaning
able to be explained or understood
Example
His sudden anger was explicable given the stressful situation.
C2 noun /əˈfleɪtəs/

afflatus

Meaning
a sudden divine inspiration or creative impulse
Example
The poet wrote the verses under a sudden afflatus of inspiration.
C2 noun ˈsaɪəns ˈdezət

science-desert

Meaning
A region or area lacking in scientific development, research facilities, or educational institutions.
Example
J.C. Bose thrived in a science-desert.
C2 noun /ˈɪəri/

eyrie

Meaning
the nest of a bird of prey, such as an eagle, typically built high on a cliff or tree
Example
The eagle’s eyrie was perched high on the mountain cliff.
C2 noun /krəˈnɒmɪtər/

chronometer

Meaning
An instrument for measuring time precisely, especially used in navigation.
Example
The sailor relied on the chronometer to determine his position at sea.
C2 adjective /ˈdjuːtiəbl/

dutiable

Meaning
subject to customs duty or tax
Example
Imported electronics are often dutiable at the border.
C2 adjective /ˌɛlɪˈfæntaɪn/

elephantine

Meaning
Huge, clumsy, or resembling an elephant in size or movement.
Example
The man moved with an elephantine grace.
C2 noun /ˈpoʊ.ɪˌtæs.tər/

poetaster

Meaning
an inferior or trivial poet
Example
He was mocked as a poetaster by the literary critics.
C2 adjective /ˈskʌr.ɪ.ləs/

scurrilous

Meaning
Using or expressed in coarse, abusive, or slanderous language.
Example
The politician faced criticism for his scurrilous remarks about his opponent.
C2 noun /kənˌdʒiː.niˈæl.ə.t̬i/

congeniality

Meaning
The quality of being pleasant, friendly, and easy to talk to.
Example
His congeniality makes him popular among friends.
C2 noun /ˌhaɪdroʊməˈkænɪks/

hydromechanics

Meaning
The study of the mechanical properties and behavior of fluids in motion and at rest.
Example
Hydromechanics provides the foundation for naval architecture.
C2 adjective /ˈpɛktərəl/

pectoral

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

pediment

Meaning
a triangular gable found above the horizontal structure of a building, often in classical architecture
Example
The ancient temple had a pediment decorated with sculptures.
C2 noun /kənˌɡlɒməˈreɪʃən/

conglomeration

Meaning
A collection or mixture of different things grouped together.
Example
The market is a conglomeration of small shops and food stalls.
C2 noun kəmˈpʌŋk.ʃən

compunction

Meaning
A feeling of guilt or moral scruple that prevents or follows the doing of something bad.
Example
He felt compunction after lying to his friend.
C2 noun /ˌmɔːzəˈliːəm/

mausoleum

Meaning
A large stately building that houses a tomb or several tombs.
Example
The king was buried in a grand mausoleum.
C2 verb /kənˈdʒiːl/

congeal

Meaning
to become thick or solid, especially from cooling
Example
The soup began to congeal after being left on the table.
C2 noun /ˈfɔːrʃɔːr/

foreshore

Meaning
The part of the shore between the high and low tide marks
Example
Children were playing on the foreshore, collecting shells.
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 /ˈhʌvəl/

hovel

Meaning
a small, poorly built, and dirty house
Example
The refugees lived in a makeshift hovel.
C2 adjective /prɪˈhɛnsaɪl/

prehensile

Meaning
adapted for seizing or grasping, especially by wrapping around an object
Example
The monkey used its prehensile tail to hang from the branch.
C2 adjective /ˌæn.θrə.pəˈdʒen.ɪk/

anthropogenic

Meaning
Originating in human activity; caused by humans.
Example
Climate change is largely due to anthropogenic activities.
C2 adjective /ˈrɛkriənt/

recreant

Meaning
cowardly or unfaithful to duty
Example
The recreant soldier abandoned his post in fear.
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 /ˌɒn.əˌmæt.əˈpiː.ə/

onomatopoeia

Meaning
The formation of a word from a sound associated with what is named.
Example
The word 'buzz' is an example of onomatopoeia.
C2 noun /kəˈbɑːdi/

kabadi

Meaning
a person who collects and sells scrap or recyclable materials, especially in South Asia
Example
The kabadi came every week to collect old newspapers and bottles.
C2 verb /ruː/

rue

Meaning
To feel regret or sorrow about something.
Example
She will rue the day she trusted him.
C2 adjective /trænzˈmɪsəbl/

transmissible

Meaning
able to be passed or spread from one person or thing to another
Example
COVID-19 is a highly transmissible disease.
C2 noun /mæn əv wɔːr/

Man of war

Meaning
a warship; a naval vessel equipped with weapons for warfare
Example
The man of war sailed across the ocean to defend the coast.
C2 noun /maɪˈæzmə/

miasma

Meaning
An unpleasant or unhealthy smell or atmosphere.
Example
A miasma of decay hung over the abandoned house.
C2 noun /ˈkæn.toʊ/

canto

Meaning
A main division of a long poem, especially in epic poetry.
Example
The Divine Comedy is divided into several cantos.
C2 noun /prɪˈsɛntɪmənt/

presentiment

Meaning
An intuitive feeling about the future, especially of something bad about to happen.
Example
He had a strong presentiment that the plan would fail.
C2 adjective /ˌɪɡ.nəˈmɪn.i.əs/

ignominious

Meaning
Marked by shame, disgrace, or humiliation.
Example
The team suffered an ignominious defeat in the finals.
C2 adjective /ɪˈmɪsəbl/

immiscible

Meaning
Describes liquids that do not mix together.
Example
Oil and water are immiscible liquids.
C2 verb /bɪˈdɔːb/

bedaub

Meaning
to smear or cover with a sticky or dirty substance
Example
The children bedaubed the wall with paint.
C2 noun /foʊl fʊt/

Foal-foot

Meaning
a yellow flowering plant with leaves shaped like a horse's hoof, also known as coltsfoot
Example
The foal-foot plant grows wild in many meadows and is often the first flower to bloom in spring.
C2 verb /ɪˈmɛnd/

emend

Meaning
to correct or revise a text, especially for errors
Example
The editor emended the manuscript before publication.
C2 noun /ˈspuːnərɪzəm/

spoonerism

Meaning
A verbal error in which the initial sounds of words are swapped to create a humorous effect.
Example
He made a spoonerism by saying 'queer old dean' instead of 'dear old queen'.
C2 adjective /ˈsɪbɪlənt/

sibilant

Meaning
Making or characterized by a hissing sound.
Example
The word 'snake' starts with a sibilant sound.
C2 noun /ˈveɪnɡlɔːri/

vainglory

Meaning
Excessive vanity or boastfulness about one's achievements.
Example
His speech was filled with vainglory and self-praise.
C2 noun /ˈkɒŋ.ɡru.əns/

congruence

Meaning
Harmony, compatibility and agreement between different elements.
Example
The congruence between their ideas made collaboration easy.
C2 adjective /ˌkrɪp.təˈɡræf.ɪk/

cryptographic

Meaning
Relating to cryptography; involving or using secret codes or ciphers for security.
Example
Banks use cryptographic technology to protect transactions.
C2 verb /ˌmɪs.əˈtrɪb.juːt/

misattribute

Meaning
to incorrectly credit something, such as a work or remark, to the wrong person or source
Example
The quote was misattributed to Shakespeare.
C2 adjective /əˈsɜːrbɪk/

acerbic

Meaning
sharp, harsh, or bitter in tone or taste
Example
His acerbic comments offended many people in the meeting.
C2 verb /ˈbeɪɪŋ/

baying

Meaning
making a loud, prolonged barking or howling sound, especially of dogs
Example
The baying of the hounds echoed through the forest.
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 adjective /ˈɛdɪfaɪɪŋ/

edifying

Meaning
Providing moral or intellectual instruction or enlightenment.
Example
The documentary was both entertaining and edifying.
C2 adjective /ˈsɪŋkəˌpeɪtɪd/

syncopated

Meaning
Characterized by displaced beats or rhythms, especially in music.
Example
The jazz piece had a syncopated rhythm that energized the crowd.
C2 adjective /ˌʌnpriːpəˈzɛsɪŋ/

unprepossessing

Meaning
not attractive or appealing in appearance
Example
Despite his unprepossessing looks, he was very kind and intelligent.
C2 adjective /ɡɑːrˈɡæntʃuən/

gargantuan

Meaning
Extremely large; enormous.
Example
They served a gargantuan meal at the feast.
C2 verb /rɪˈfrækt/

refract

Meaning
To bend light, sound, or heat as it passes through a medium.
Example
The water refracts light, making the straw look bent.
C2 noun /ˈrɛdʒɪsaɪd/

regicide

Meaning
the act of killing a king
Example
The conspirators were executed for committing regicide.
C2 adjective /ɪnˈsuːpərəbl/

insuperable

Meaning
Impossible to overcome or surpass.
Example
The team faced insuperable challenges during the expedition.
C2 noun /ˈbɒdɪs/

bodice

Meaning
the part of a woman's dress that covers the body from the neck to the waist
Example
She wore a dress with an embroidered bodice.
C2 verb /slʌf/ or /sluː/

slough

Meaning
To shed or cast off (like dead skin); also a swampy or muddy area.
Example
The snake sloughed off its old skin.
C2 noun /ˈkær.ə.weɪ siːdz/

Caraway seeds

Meaning
aromatic seeds of the caraway plant used as a spice in cooking and baking
Example
The bread was flavored with caraway seeds.
C2 adjective /ˈmæn.laɪk/

manlike

Meaning
Having qualities or characteristics traditionally associated with a man; manly.
Example
His manlike courage impressed everyone in the village.
C2 adjective /ʌnˈʌtərəbl/

unutterable

Meaning
Too great, intense, or awful to be expressed or described in words.
Example
She was filled with unutterable joy at the news of her success.
C2 adjective /mɛnˈdeɪʃəs/

mendacious

Meaning
not telling the truth; lying
Example
The politician was known for his mendacious statements.
C2 noun /bɪˈhiː.mɒθ/

behemoth

Meaning
Something enormous, especially a large and powerful organization.
Example
The company grew into a corporate behemoth.
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 adjective /ɪkˈskɜːsɪv/

excursive

Meaning
Tending to digress or wander; moving away from the main subject.
Example
His excursive lecture left the students confused about the main topic.
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 /ˈpɔl.zi/

Palsy

Meaning
paralysis, especially that which is accompanied by involuntary tremors; loss of muscle control
Example
The elderly man suffered from palsy in his hands.
C2 verb /ˌdɪsəˈreɪndʒ/

disarrange

Meaning
to disturb the order or arrangement of something
Example
The wind disarranged her hair.
C2 noun /ˈmɒnəkl/

monocle

Meaning
A single round lens for one eye, used to correct or enhance vision.
Example
The old gentleman wore a monocle at formal events.
C2 noun /ˌfəʊ.təʊ.sen.sɪˈtɪv.ɪ.ti/

photosensitivity

Meaning
Sensitivity to light, especially abnormal sensitivity that may cause discomfort or damage.
Example
Overrubbing can increase photosensitivity.
C2 noun /ˈbɪlɪŋzˌɡeɪt/

billingsgate

Meaning
Coarse or abusive language; vulgar or offensive speech.
Example
The heated argument quickly descended into billingsgate.
C2 adjective /kwaɪˈesnt/

Quiescent

Meaning
quiet; peaceful; inactive; dormant; at rest
Example
The volcano has been quiescent for over a century.
C2 adjective /ˈkæp.ʃəs/

Captious

Meaning
tending to find fault or raise petty objections; fault-finding; critical
Example
His captious remarks about every small detail made the meeting very unpleasant.
C2 noun /dɪˈsweɪʒən/

dissuasion

Meaning
The act of persuading someone not to take a course of action.
Example
Her dissuasion prevented him from making a bad investment.
C2 noun /ɪkˈspiːdiənsi/

expediency

Meaning
the quality of being convenient and practical despite possibly being improper or immoral
Example
He acted out of political expediency rather than principle.
C2 noun /krəˈdjuːlɪti/

credulity

Meaning
A tendency to be too ready to believe that something is real or true.
Example
The scam succeeded because of the victim's credulity.
C2 noun /ˌɛpɪˈsaɪklɔɪd/

epicycloid

Meaning
a curve traced by a point on the circumference of a circle that rolls around the outside of another circle
Example
The mathematician demonstrated how to draw an epicycloid.
C2 adjective /ˈtʃɜːrlɪʃ/

churlish

Meaning
Rude in a mean-spirited and surly way.
Example
It would be churlish to refuse her kind invitation.
C2 adjective /koʊˈtɜːr.mɪ.nəs/

coterminous

Meaning
having the same boundaries or extent in space, time, or meaning
Example
The two jurisdictions are coterminous, sharing the same borders.
C2 noun /ˌpriːɪɡˈzɪstəns/

preexistence

Meaning
the state of existing before something else
Example
Philosophers often debated the preexistence of the soul.
C2 adjective /hɛkˈsæŋɡjələr/

hexangular

Meaning
Having six angles or corners.
Example
The artist designed a hexangular frame for the mirror.
C2 adjective, adverb /əˈbʌvˌbɔːrd/

aboveboard

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

volitive

Meaning
Relating to the will or the exercise of the will.
Example
The treaty was signed under volitive agreement between both nations.
C2 noun /dʒɔːnt/

jaunt

Meaning
A short journey or excursion, usually taken for pleasure.
Example
They went on a weekend jaunt to the countryside.
C2 verb /ˈɒsɪfaɪ/

ossify

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

amortize

Meaning
To gradually reduce or pay off a debt with regular payments.
Example
They plan to amortize the mortgage over 20 years.
C2 adjective /ˈlæm.ən.tə.bəl/

lamentable

Meaning
deserving to be criticized or regretted; unfortunate
Example
The team’s lamentable performance disappointed their fans.
C2 adverb /ˈvɛrɪli/

verily

Meaning
truly; certainly; without a doubt
Example
Verily, I say unto you, this is the truth.
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 noun /əˈrɔɪ.oʊ/

arroyo

Meaning
A dry creek or stream bed that temporarily fills with water after heavy rain.
Example
After the storm, the arroyo quickly filled with rushing water.
C2 noun /ˈɪnroʊd/

inroad

Meaning
An advance or significant progress, often at the expense of something else.
Example
The company made significant inroads into the mobile market.
C2 verb /breɪz/

braze

Meaning
To join two pieces of metal by heating and melting a filler metal into the joint.
Example
The mechanic brazed the broken pipe to fix the leak.
C2 noun /ˌɪn.trəˈɡreʃ.ən/

introgression

Meaning
The transfer of genetic information from one species to another through repeated backcrossing.
Example
Introgression plays a significant role in plant breeding.
C2 verb /ˈfʌdəl/

fuddle

Meaning
To confuse or stupefy, especially with alcohol or overwhelming information.
Example
The complicated instructions fuddled the new employees.
C2 adjective /ɡrʌf/

gruff

Meaning
Rough or stern in manner, speech, or voice.
Example
Despite his gruff manner, he was very kind-hearted.
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 noun/verb /ˈsʌkər/

succor

Meaning
Assistance and support in times of hardship or distress.
Example
The charity provided succor to the flood victims.
C2 noun /ˈvæsəl/

vassal

Meaning
A person or country in a subordinate position to another, especially in feudal times under a lord.
Example
The king granted land to his vassal in return for loyalty and service.
C2 adjective /ˈprɒvɪdənt/

provident

Meaning
making or indicative of timely preparation for the future
Example
She was provident in saving money for her children’s education.
C2 noun /əˌnʌn.siˈeɪ.ʃən/

annunciation

Meaning
The announcement of something; in Christianity, the announcement by the angel Gabriel to Mary that she would conceive Jesus.
Example
The church celebrated the Feast of the Annunciation with a special service.
C2 noun /ˈrɛkluːsəri/

reclusory

Meaning
A place for seclusion or retreat, especially for a recluse or hermit.
Example
The monk spent years in the reclusory away from society.
C2 noun /ˈklævɪkəl/

clavicle

Meaning
the collarbone, a long bone that serves as a strut between the shoulder blade and the sternum
Example
He fractured his clavicle in the accident.
C2 verb /əˈɡlɒməˌreɪt/

agglomerate

Meaning
To collect or form into a mass or group.
Example
The dust particles began to agglomerate into larger clusters.
C2 noun /ˈfɛndər/

fender

Meaning
a part of a vehicle that frames a wheel well to protect against mud or debris
Example
The car's fender was dented in the accident.
C2 adjective /dɪˈlɛktəbl̩/

delectable

Meaning
delicious or highly enjoyable
Example
The restaurant served a delectable meal.
C2 noun /ˌrɛtroʊˈɡrɛʃən/

retrogression

Meaning
a return to a worse or less developed state
Example
The country experienced economic retrogression after the crisis.
C2 noun /ˈprɒsədi/

prosody

Meaning
The patterns of rhythm and sound used in poetry and speech.
Example
The professor explained how prosody affects the mood of a poem.
C2 noun /ˌɛksəˈdʒiːsɪs/

exegesis

Meaning
A critical explanation or interpretation of a text, especially a religious scripture.
Example
The professor gave a detailed exegesis of the biblical passage.
C2 noun /ˈɑːrtləsnəs/

artlessness

Meaning
The quality of being natural and simple without deceit or pretension.
Example
Her artlessness made her beloved by all.