assiduously
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C2 adverb /əˈsɪdʒuəsli/

assiduously

assidûment
Meaning
with great care and persistence
Example
He worked assiduously to complete the project before the deadline.
Il a travaillé assidûment pour terminer le projet avant la date limite.
C2 adjective /daɪˈvɜːrtɪbəl/

divertible

détournable
Meaning
capable of being turned aside or redirected
Example
Funds from the budget are not legally divertible.
Les fonds du budget ne peuvent pas être légalement détournés.
C2 noun /ˈɡræn.tɔːr/

grantor

donateur
Meaning
A person or entity that makes a grant or transfers property or rights to another.
Example
The grantor transferred the property rights to the nonprofit organization.
Le donateur a transféré les droits de propriété à l'organisation à but non lucratif.
C2 verb /ˈbɜːrdʒən/

burgeon

croître rapidement
Meaning
To grow or develop rapidly; to flourish.
Example
The city's population began to burgeon after the new factory opened.
La population de la ville a commencé à croître rapidement après l'ouverture de la nouvelle usine.
C2 adjective /ˌdaɪəˈbɒlɪk/

diabolic

diabolique
Meaning
Extremely evil or cruel; characteristic of the devil.
Example
The villain devised a diabolic scheme.
Le méchant a imaginé un plan diabolique.
C2 noun/adjective /ˈdɪstæf/

distaff

lié aux femmes, côté maternel
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.
Elle venait du côté maternel d'une famille noble.
C2 adjective /ˈprʊəriənt/

prurient

lubrique
Meaning
having or showing an excessive interest in sexual matters
Example
The magazine was criticized for its prurient content.
Le magazine a été critiqué pour son contenu lubrique.
C2 noun /roʊˈtʌn.də/

rotunda

bâtiment circulaire
Meaning
a large circular building or hall, often with a dome
Example
Tourists gathered inside the grand rotunda of the capitol.
Les touristes se sont réunis à l'intérieur de la grande rotonde du capitole.
C2 verb /lʌɡˈʒʊrieɪt/

luxuriate

se livrer à des plaisirs
Meaning
to enjoy something in a self-indulgent way; to take pleasure in great comfort
Example
She luxuriated in the warm bubble bath after a long day.
Elle s'est luxurieuse dans le bain à bulles chaud après une longue journée.
C2 adjective /ˈʌŋk.tʃu.əs/

unctuous

flatteur
Meaning
Excessively flattering or ingratiating; oily in texture.
Example
His unctuous tone made everyone uncomfortable.
Son ton flatteur a mis tout le monde mal à l'aise.
C2 adjective /ˌɪnkəmˈbʌstəbl/

incombustible

incombustible
Meaning
Not capable of catching fire or burning.
Example
This material is incombustible and safe for construction.
Ce matériau est incombustible et sûr pour la construction.
C2 adjective /ɪnhɑːrˈmoʊniəs/

Inharmonious

inharmonieux
Meaning
lacking harmony; discordant in sound; not in tune
Example
The inharmonious sounds from the broken piano made everyone cover their ears.
Les sons inharmonieux du piano cassé ont obligé tout le monde à se couvrir les oreilles.
C2 adjective /ˈrʌdi/

ruddy

rosé
Meaning
Having a healthy red color in the face.
Example
She had a ruddy complexion from working outdoors.
Elle avait un teint rosé à force de travailler dehors.
C2 adjective /ˈmæn.laɪk/

manlike

masculin
Meaning
Having qualities or characteristics traditionally associated with a man; manly.
Example
His manlike courage impressed everyone in the village.
Son courage masculin a impressionné tout le monde dans le village.
C2 adjective /ˌɪnkænˈdɛsənt/

incandescent

incandescent
Meaning
emitting light as a result of being heated; extremely bright or passionate
Example
The incandescent lamp lit up the entire hall.
La lampe incandescente a éclairé toute la salle.
C2 verb /swɪl/

swill

boire goulûment
Meaning
to drink something greedily or in large amounts
Example
He swilled down the beer in seconds.
Il a bu la bière en quelques secondes.
C2 noun /ɡriːn pəˈpaɪə/

Green Papaya

papaye verte
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.
La salade de papaye verte est un plat populaire dans la cuisine thaïlandaise.
C2 noun /ˈkɒmɪti/

comity

courtoisie, respect mutuel
Meaning
Courtesy and considerate behavior towards others; mutual respect.
Example
The meeting was conducted with comity and respect.
La réunion s'est déroulée avec courtoisie et respect.
C2 noun /ˈɛksɪdʒənsi/

exigency

urgence
Meaning
an urgent need or demand requiring immediate attention
Example
In times of war, the exigency of the situation requires quick decisions.
En temps de guerre, l'urgence de la situation nécessite des décisions rapides.
C2 adjective /ˌæk.rɪˈmoʊ.ni.əs/

acrimonious

amer et en colère
Meaning
Bitter and angry, often involving harsh words.
Example
The debate turned acrimonious after the controversial remark.
Le débat est devenu acrimonieux après le commentaire controversé.
C2 adjective /ˌpɑːrsɪˈmoʊniəs/

parsimonious

avare
Meaning
unwilling to spend money or use resources; stingy
Example
The company was too parsimonious to invest in better equipment.
L'entreprise était trop avare pour investir dans de meilleurs équipements.
C2 noun /proʊˈdʒɛnɪtər/

progenitor

ancêtre
Meaning
a direct ancestor; a person or thing that originates something
Example
Researchers traced the custom back to a common progenitor.
Les chercheurs ont retracé la coutume jusqu'à un ancêtre commun.
C2 adjective /ˈwɪt.ləs/

Witless

imbécile; stupide; sans intelligence
Meaning
lacking intelligence or wisdom; foolish
Example
His witless remarks during the meeting embarrassed everyone present.
Ses remarques stupides pendant la réunion ont embarrassé tous les présents.
C2 verb /ɜːrk/

irk

agacer
Meaning
to annoy or irritate someone
Example
It irks me when people are late without calling.
Ça m'agace quand les gens arrivent en retard sans appeler.
C2 noun /ˈmæŋɡoʊ fɪʃ/

Mango fish

poisson barramundi
Meaning
A popular white fish also known as barramundi or Asian sea bass
Example
Mango fish is prized for its delicate flavor and tender texture.
Le poisson barramundi est apprécié pour sa saveur délicate et sa texture tendre.
C2 adjective /koʊˈtɜːr.mɪ.nəs/

coterminous

coextensif
Meaning
having the same boundaries or extent in space, time, or meaning
Example
The two jurisdictions are coterminous, sharing the same borders.
Les deux juridictions sont coextensives, partageant les mêmes frontières.
C2 noun /ˈtrɪbjuːn/

tribune

tribune / tribun
Meaning
a person or platform representing the people; historically, a Roman official elected to protect citizens' rights
Example
He was seen as a tribune of the common people.
Il était considéré comme un tribun du peuple.
C2 adjective /ˌɪnsəˈpɔːrtəbl̩/

insupportable

insupportable
Meaning
Too extreme or difficult to be endured.
Example
The heat was insupportable during the long journey.
La chaleur était insupportable pendant le long voyage.
C2 verb /rɪˈpaɪn/

repine

se lamenter
Meaning
To feel or express discontent or to long for something.
Example
She did not repine at her misfortune but worked harder to improve her life.
Elle ne s'est pas lamentée de son malheur, mais a travaillé plus dur pour améliorer sa vie.
C2 verb /ˈæmərˌtaɪz/

amortize

amortir
Meaning
To gradually reduce or pay off a debt with regular payments.
Example
They plan to amortize the mortgage over 20 years.
Ils prévoient d'amortir l'hypothèque sur 20 ans.
C2 noun /əˈdjuː/

adieu

adieu
Meaning
A farewell or goodbye, often used in a formal or poetic sense.
Example
She bid her friends adieu before leaving for France.
Elle fit ses adieux à ses amis avant de partir pour la France.
C2 adjective /ɡoʊʃ/

gauche

gauche
Meaning
lacking social grace, sensitivity, or tact; awkward
Example
His gauche remarks embarrassed everyone at the dinner party.
Ses remarques gauches ont embarrassé tout le monde à la soirée.
C2 adjective /ɪmˈpælpəbəl/

impalpable

intangible
Meaning
unable to be felt by touch; difficult to grasp or understand
Example
There was an impalpable sense of fear in the room.
Il y avait une sensation intangible de peur dans la pièce.
C2 noun /ˈpɒl.i.mæθ/

polymath

polymathe
Meaning
a person with knowledge of many different subjects
Example
Leonardo da Vinci was a true polymath, excelling in art, science, and engineering.
Leonardo da Vinci était un véritable polymathe, excellant dans l'art, la science et l'ingénierie.
C2 verb /ˈkæstreɪt/

castrate

castrer
Meaning
To remove the testicles of a male animal or human.
Example
The farmer castrated the young bulls to make them easier to manage.
L'agriculteur a castré les jeunes taureaux pour les rendre plus faciles à gérer.
C2 noun /ˈluː.mən/

lumen

lumen
Meaning
A unit of luminous flux, measuring the amount of visible light emitted by a source.
Example
The bulb produces 800 lumens of light.
L'ampoule produit 800 lumens de lumière.
C2 noun /ˈspɒt.ɪd sneɪk hed/

Spotted snake head

poisson tête de serpent tachetée
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.
Le poisson tête de serpent tachetée est populaire pour l'aquaculture en Asie du Sud.
C2 noun /pəˈtruːn/

poltroon

lâche
Meaning
a cowardly person
Example
He acted like a poltroon during the crisis.
Il a agi comme un lâche pendant la crise.
C2 adjective /ˈkwɒdreɪt/

quadrate

carré
Meaning
square or nearly square; having four sides or being suited or corresponding to something
Example
The tiles had a neat quadrate shape that made the floor look orderly.
Les carreaux avaient une forme carrée nette qui donnait à le sol un aspect ordonné.
C2 adjective /ˈtɪd.li/

Tiddley

légèrement ivre; petit ou minuscule
Meaning
slightly drunk; small or tiny
Example
After a few drinks, he felt a bit tiddley.
Après quelques verres, il se sentit un peu tiddley.
C2 noun /ˌlæs.əˈreɪ.ʃən/

laceration

coupure profonde
Meaning
a deep cut or tear in skin or flesh
Example
He needed stitches for a laceration on his leg.
Il avait besoin de points pour une coupure profonde à sa jambe.
C2 noun /ɪˌlɛkˈtrɑː.lə.sɪs/

electrolysis

électrolyse
Meaning
A chemical decomposition produced by passing an electric current through a liquid or solution.
Example
Electrolysis is used to separate hydrogen from water.
L'électrolyse est utilisée pour séparer l'hydrogène de l'eau.
C2 noun /ˈbrɪɡ.ənd/

brigand

brigand
Meaning
A member of a gang that ambushes and robs people in forests or mountains; a bandit.
Example
The travelers were attacked by brigands in the mountains.
Les voyageurs ont été attaqués par des brigands dans les montagnes.
C2 verb /ˈʌndərˌraɪt/

underwrite

garantir un soutien financier
Meaning
To guarantee financial support, especially by agreeing to cover losses or risks; in insurance, to assess and accept risks.
Example
The bank agreed to underwrite the company's new bond issue.
La banque a accepté de souscrire à la nouvelle émission d'obligations de l'entreprise.
C2 noun /ˌsuːdəˈnɪmɪti/

pseudonymity

utilisation de pseudonyme
Meaning
the practice or state of using a pseudonym
Example
The author maintained pseudonymity throughout her career.
L'auteure a maintenu l'utilisation de pseudonyme tout au long de sa carrière.
C2 verb /ˈlɪk.wɪ.faɪ/

liquefy

liquéfier
Meaning
to make or become liquid
Example
The heat will liquefy the butter in a few minutes.
La chaleur liquéfiera le beurre en quelques minutes.
C2 verb /pərˈveɪ/

purvey

fournir
Meaning
to supply or provide goods, services, or information, often as a business
Example
The company purveys organic food to health-conscious customers.
L'entreprise fournit des aliments biologiques aux clients soucieux de leur santé.
C2 adjective /ˈliːənaɪn/

leonine

léonin
Meaning
Of or resembling a lion.
Example
His leonine hair made him stand out in the crowd.
Ses cheveux léonins le faisaient ressortir dans la foule.
C2 adjective /ˈfɪnɪki/

finicky

difficile à satisfaire; très pointilleux sur les détails
Meaning
difficult to please; very particular about details
Example
He is so finicky about his food that he only eats organic vegetables.
Il est tellement difficile avec sa nourriture qu'il ne mange que des légumes biologiques.
C2 noun/verb /ɡraʊtʃ/

grouch

râleur
Meaning
a person who complains a lot or to complain in a grumpy way
Example
He is such a grouch in the morning before coffee.
Il est toujours de mauvaise humeur avant le café.
C2 adjective /ˈoʊ.pən ˈhæn.dɪd/

Open-handed

généreux; libéral
Meaning
Generous; liberal; giving freely;
Example
He is very open-handed with his money and always helps those in need.
Il est très généreux avec son argent et aide toujours ceux qui en ont besoin.
C2 adjective /ɡɑːrˈɡæntʃuən/

gargantuan

gigantesque
Meaning
Extremely large; enormous.
Example
They served a gargantuan meal at the feast.
Ils ont servi un repas gigantesque au banquet.
C2 noun /dɪsˈkwaɪɪtjuːd/

disquietude

inquiétude
Meaning
A state of uneasiness, anxiety, or restlessness.
Example
His constant pacing showed his inner disquietude.
Ses pas incessants montraient son inquiétude intérieure.
C2 adjective /ɪkˌstɛmpəˈreɪniəs/

extemporaneous

dit sans préparation
Meaning
Spoken or done without preparation.
Example
He gave an extemporaneous speech at the meeting.
Il a fait un discours extemporané lors de la réunion.
C2 noun /ˈɪəri/ or /ˈɛəri/

aery

nid de l'aigle
Meaning
An eagle’s nest, or a lofty, airy dwelling.
Example
The eagle perched proudly near its aery high on the cliff.
L'aigle s'est perché fièrement près de son aire, en haut de la falaise.
C2 adjective ˌmɛɡəˈlɪθɪk

megalithic

mégalithique
Meaning
Relating to or denoting prehistoric monuments made of or containing large stones.
Example
The megalithic structures in ancient civilizations are fascinating.
Les structures mégalithiques dans les civilisations anciennes sont fascinantes.
C2 noun /ɪnˈtɛstəsi/

intestacy

décès sans testament
Meaning
The condition of dying without having made a valid will.
Example
His estate was divided according to the laws of intestacy.
Sa succession a été divisée selon les lois de l'intestat.
C2 adjective /ˌɪnɪkˈsprɛsəbl/

inexpressible

inexprimable
Meaning
Too strong or extreme to be expressed in words.
Example
She felt inexpressible joy at the news of her success.
Elle ressentit une joie inexprimable en apprenant son succès.
C2 adjective /ˈpɛkənt/

peccant

coupable
Meaning
Guilty of a moral offense or wrongdoing; sinful.
Example
The judge declared the peccant official unfit for office.
Le juge a déclaré l'officiel coupable inapte à son poste.
C2 noun /ɪmˈpʌlʃən/

impulsion

impulsion
Meaning
a strong urge or drive to act; the act of impelling
Example
His impulsion to travel made him leave his job suddenly.
Son impulsion de voyager l'a poussé à quitter son travail soudainement.
C2 adjective /flɛgˈmæt.ɪk/

phlegmatic

phlegmatique
Meaning
having an unemotional and stolidly calm disposition
Example
Despite the chaos, he remained phlegmatic and composed.
Malgré le chaos, il est resté flégmatique et composé.
C2 adjective /ˌɪn.trəˈmjʊə.rəl/

intramural

à l'intérieur de l'institution
Meaning
Occurring within the walls of a single institution, especially a school or college.
Example
The college organizes intramural sports competitions every semester.
Le collège organise des compétitions sportives intramuros chaque semestre.
C2 noun /ˌkʌmˈʌpəns/

comeuppance

châtiment mérité
Meaning
A deserved punishment or fate; just deserts.
Example
The corrupt official finally got his comeuppance in court.
Le fonctionnaire corrompu a enfin reçu sa punition méritée au tribunal.
C2 verb /ˌpriːɪɡˈzɪst/

preexist

exister au préalable
Meaning
to exist beforehand or before something else
Example
These customs preexist the arrival of modern technology.
Ces coutumes existaient avant l'arrivée de la technologie moderne.
C2 verb /ɪnˈtræp/

entrap

piéger
Meaning
To catch or trick someone into a difficult situation.
Example
The police tried to entrap the criminal with false evidence.
La police a tenté de piéger le criminel avec de fausses preuves.
C2 noun /ˈjuːər/

ewer

verseuse
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.
Le serviteur a rempli la verseuse d'eau fraîche.
C2 verb /koʊˈæɡjəˌleɪt/

coagulate

coaguler
Meaning
to cause a liquid, especially blood, to change into a solid or semi-solid state
Example
The blood quickly coagulated after the cut.
Le sang s'est coagulé rapidement après la coupure.
C2 noun /ˌhɛtərəʤəˈniːɪti/

heterogeneity

hétérogénéité
Meaning
the quality or state of being diverse in character or content
Example
The cultural heterogeneity of the city makes it vibrant and unique.
La hétérogénéité culturelle de la ville la rend vivante et unique.
C2 noun /ˈteɪbər/

Tabour

tambour
Meaning
a small side drum or tambourine used especially in folk music
Example
The folk musician played a lively tune on his tabour.
Le musicien folklorique a joué une mélodie animée sur son tambour.
C2 noun /ˈmæləprɒˌpɪzəm/

malapropism

malapropisme
Meaning
the mistaken use of a word in place of a similar-sounding one, often with amusing effect
Example
He is famous for his malapropism when speaking in public.
Il est célèbre pour son malapropisme lorsqu'il parle en public.
C2 noun /ˈsfɛrɔɪd/

spheroid

sphéroïde
Meaning
A three-dimensional shape that is almost spherical but slightly flattened or elongated.
Example
The Earth is not a perfect sphere but an oblate spheroid.
La Terre n'est pas une sphère parfaite mais un sphéroïde oblat.
C2 noun /maɪˈkrɑː.skə.pi/

microscopy

microscopie
Meaning
The use of a microscope to observe small objects or organisms.
Example
Microscopy revealed the structure of the cells.
La microscopie a révélé la structure des cellules.
C2 noun /brəˈvjʊrə/

bravura

virtuosité
Meaning
a display of great skill and brilliance, especially in music or performance
Example
The pianist delivered a bravura performance that left the audience spellbound.
Le pianiste a offert une prestation virtuose qui a laissé le public ébloui.
C2 adjective /koʊˈiːvəl/

coeval

contemporain
Meaning
Having the same age, date of origin, or duration; contemporary.
Example
The philosopher was coeval with the rise of modern science.
Le philosophe était contemporain avec l'essor de la science moderne.
C2 verb /ˌɛfəˈvɛs/

effervesce

effervescence
Meaning
To give off bubbles of gas; to show excitement, liveliness, or enthusiasm.
Example
The soda began to effervesce as soon as it was opened.
Le soda a commencé à effervescir dès qu'il a été ouvert.
C2 adjective /ˌɛl.ɪˈmɑː.səˌnɛr.i/

eleemosynary

charitable
Meaning
Relating to charity; dependent on or supported by charity.
Example
The hospital was founded as an eleemosynary institution.
L'hôpital a été fondé en tant qu'institution charitable.
C2 adjective /ɪmˈpruːdənt/

imprudent

imprudent
Meaning
Not showing care for the consequences of an action.
Example
It was imprudent to drive in such stormy weather.
C'était imprudent de conduire par un temps aussi orageux.
C2 noun /ˈskɔːrpiən fɪʃ/

Scorpion fish

poisson-scorpion
Meaning
a type of fish with venomous spines that belongs to the family Scorpaenidae
Example
The scorpion fish has dangerous spines that can inject venom.
Le poisson-scorpion a des épines dangereuses qui peuvent injecter du venin.
C2 verb /ˈdɛpjʊˌtaɪz/

deputize

nommer comme adjoint
Meaning
To appoint someone as a deputy; to act as a substitute or representative.
Example
The sheriff decided to deputize several locals to help maintain order.
Le shérif a décidé de désigner plusieurs habitants pour aider à maintenir l'ordre.
C2 noun /ˈsweɪʒən/

suasion

persuasion
Meaning
the act of persuading or influencing someone
Example
The leader used gentle suasion to win support for the plan.
Le leader a utilisé une suasion douce pour obtenir le soutien pour le plan.
C2 noun /ˈsaɪz.mə.ɡræf/

seismograph

sismographe
Meaning
An instrument that measures and records details of earthquakes, such as force and duration.
Example
The seismograph detected a strong tremor in the area.
Le sismographe a détecté une forte secousse dans la région.
C2 adjective /æbˈstiːmiəs/

abstemious

abstème
Meaning
not allowing oneself much food or drink; marked by moderation
Example
She lived an abstemious life, avoiding all luxuries.
Elle a vécu une vie abstemie, évitant tous les luxes.
C2 noun /ˈɔːrdnəns/

ordnance

fournitures militaires
Meaning
Military supplies including weapons, ammunition, and combat equipment.
Example
The army stored ordnance in a secure facility outside the city.
L'armée a stocké des fournitures militaires dans une installation sécurisée en dehors de la ville.
C2 noun /ˈhɛdʒɪrə/ or /hɪˈdʒaɪrə/

hegira

exode, migration
Meaning
a journey, especially when undertaken to escape from a dangerous or undesirable situation
Example
The refugees began their hegira across the desert.
Les réfugiés ont commencé leur exode à travers le désert.
C2 noun /ˌjuːzɜːrˈpeɪʃən/

usurpation

usurpation
Meaning
The act of taking someone's power or property illegally or by force.
Example
The general's usurpation of the presidency led to political unrest.
L'usurpation de la présidence par le général a conduit à des troubles politiques.
C2 noun /ˈkrɛməˌtɔːri/

crematory

crématorium
Meaning
a place where dead bodies are cremated
Example
The crematory was located near the cemetery.
Le crématorium était situé près du cimetière.
C2 verb /ˌɪntərˈmɪt/

intermit

interrompre
Meaning
To suspend or stop for a time; to pause intermittently.
Example
The rain would intermit and then start again.
La pluie s'interromprait puis recommencerait.
C2 verb /ˈɪməleɪt/

immolate

immoler
Meaning
To kill or sacrifice, especially by burning.
Example
The protesters threatened to immolate themselves in front of the building.
Les manifestants ont menacé de s'immoler devant le bâtiment.
C2 noun /ˈjoʊmən/

yeoman

paysan / employé loyal
Meaning
A farmer who cultivates his own land; also used to describe someone performing loyal, useful service.
Example
He did yeoman service in completing the project on time.
Il a rendu un service loyal en terminant le projet à temps.
C2 verb /ˌdɪsəˈvaʊ/

disavow

désavouer
Meaning
to deny responsibility for or connection with something
Example
He disavowed any involvement in the scandal.
Il a désavoué toute implication dans le scandale.
C2 noun /red ˌəʊ.liˈæn.dər/

Red oleander

laurier rose
Meaning
a poisonous flowering shrub with bright red or pink flowers
Example
The red oleander blooms throughout the summer months.
Le laurier rose fleurit tout au long des mois d'été.
C2 noun /kəˈmɛstɪbəl/

comestible

comestible
Meaning
An item of food that can be eaten.
Example
The picnic basket was full of delicious comestibles.
Le panier de pique-nique était plein de délicieuses comestibles.
C2 noun /ˈmɛzməˌrɪzəm/

mesmerism

hypnotisme
Meaning
A state of fascination or hypnotism.
Example
The magician held the audience in a state of mesmerism.
Le magicien a maintenu l'audience dans un état de mesmerisme.
C2 noun /ˌhaɪdroʊdaɪˈnæmɪks/

hydrodynamics

hydrodynamique
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.
L'hydrodynamique est essentielle pour concevoir des coques de navires efficaces.
C2 adjective /ɪnˈsuːpərəbl/

insuperable

insurmontable
Meaning
Impossible to overcome or surpass.
Example
The team faced insuperable challenges during the expedition.
L'équipe a fait face à des défis insurmontables lors de l'expédition.
C2 verb /ˈvɪvɪfaɪ/

vivify

vivifier
Meaning
to give life or energy to something; to animate or enliven
Example
The teacher’s enthusiasm helped vivify the boring lecture.
L'enthousiasme du professeur a aidé à vivifier la conférence ennuyeuse.
C2 noun /ˈzuːəʊˌplæŋktən/

zooplankton

zooplancton
Meaning
Microscopic aquatic animals that drift in water bodies and form an essential part of the aquatic food chain, serving as food for fish and other marine organisms.
Example
Zooplankton plays an important role in the aquatic food chain.
Le zooplancton joue un rôle important dans la chaîne alimentaire aquatique.
C2 noun /ˈjuːʒəri/

usury

usure
Meaning
The practice of lending money at unreasonably high interest rates.
Example
The law strictly prohibits usury.
La loi interdit strictement l'usure.
C2 adjective /ˈfluːviəl/

fluvial

fluvial
Meaning
relating to or found in a river
Example
The fluvial deposits indicated the presence of an ancient river system.
Les dépôts fluviaux ont indiqué la présence d'un ancien système fluvial.
C2 noun /daɪn/

dyne

unité de force (système cgs)
Meaning
A unit of force in the centimeter-gram-second (cgs) system equal to 10⁻⁵ newtons.
Example
The physicist measured the force in dynes.
Le physicien a mesuré la force en dynes.
C2 adverb /ʌnˈɜːrɪŋli/

unerringly

sans erreur
Meaning
Without making any mistakes; always accurate
Example
The archer aimed unerringly at the target.
L'archer a visé sans erreur la cible.
C2 adjective/noun /haɪˈbɜːrniən/

hibernian

hibernien
Meaning
Relating to Ireland or the Irish.
Example
He enjoyed reading about Hibernian culture and history.
Il a aimé lire sur la culture et l'histoire hibernienne.
C2 noun /ˈɛksplɪkeɪtər/

explicator

explicateur
Meaning
a person who explains or interprets something in detail
Example
The critic served as an explicator of the poet’s complex works.
Le critique a servi d'explicateur des œuvres complexes du poète.
C2 noun /ˈbiː.təl nʌt/

Betel-nut

noix de bétel
Meaning
seed of the areca palm tree, often chewed as a stimulant
Example
Betel-nut is commonly chewed in many South Asian countries.
La noix de bétel est couramment mâchée dans de nombreux pays d'Asie du Sud.
C2 verb /ˈdɛpɪleɪt/

depilate

épiler
Meaning
to remove hair from the skin, especially by mechanical or chemical means
Example
She decided to depilate her legs before the event.
Elle a décidé de se dépiler les jambes avant l'événement.
C2 noun /ˈfɔːrˌseɪl/

foresail

voile de proue
Meaning
The principal sail set on the foremast of a sailing vessel.
Example
The crew adjusted the foresail to catch the wind.
L'équipage a ajusté la voile de proue pour attraper le vent.
C2 verb /djuːp/

dupe

tromper
Meaning
To deceive or trick someone into believing or doing something.
Example
He was duped into buying a fake watch.
Il a été dupé en achetant une montre contrefaite.
C2 verb əˈmiːljəreɪt

ameliorate

améliorer, perfectionner
Meaning
To make better; improve or enhance something.
Example
The new policies are designed to ameliorate living conditions.
Les nouvelles politiques sont conçues pour améliorer les conditions de vie.
C2 adjective /ˈoʊ.pən ˈhɑrt.ɪd/

Open-hearted

chaleureux et généreux; sincère et honnête; réceptif chaleureusement;
Meaning
Kind and generous; sincere and honest; warmly receptive;
Example
She welcomed the strangers with an open-hearted smile and invited them for dinner.
Elle a accueilli les étrangers avec un sourire chaleureux et les a invités à dîner.
C2 adjective /ɪnˈdɛkərəs/

indecorous

indécent
Meaning
Not in keeping with good taste and propriety; improper.
Example
His indecorous behavior shocked the audience.
Son comportement indécent a choqué l'audience.
C2 verb /ˌdɪsɪnˈhɛrɪt/

disinherit

désinformer
Meaning
to deprive someone, especially a child, of inheritance or right to property
Example
The father threatened to disinherit his son for his reckless actions.
Le père a menacé de désinformer son fils à cause de ses actions imprudentes.
C2 noun /ɪnˈkʌmbrəns/

encumbrance

fardeau / obstacle
Meaning
a burden or obstacle that makes progress or movement difficult
Example
Debt can become a serious encumbrance in life.
La dette peut devenir un fardeau sérieux dans la vie.
C2 verb /ˈtʃeɪfɪŋ/

chafing

irriter par frottement
Meaning
To make sore by rubbing; to become irritated.
Example
The rough shoes were chafing his heels.
Les chaussures rugueuses lui frottaient les talons.
C2 adjective /ˈsʌpliənt/

suppliant

suppliant
Meaning
Humbly or earnestly asking for something, especially from a person in authority.
Example
The suppliant man begged for mercy at the king's feet.
L'homme suppliant a supplié pour miséricorde aux pieds du roi.
C2 adjective /ˌdɛfəˈrɛnʃəl/

deferential

respectueux
Meaning
Showing or expressing respect and high regard.
Example
He was always deferential toward his teachers.
Il était toujours respectueux envers ses enseignants.
C2 noun /əˈpɒfəsɪs/

apophasis

apophase
Meaning
A rhetorical device where the speaker brings up a subject by denying it or pretending to pass over it.
Example
The politician used apophasis by saying, 'I won’t even mention my opponent’s scandals.'
Le politicien a utilisé l'apophase en disant : « Je ne mentionnerai même pas les scandales de mon adversaire. »
C2 noun /rɪˈpʌɡ.nəns/

repugnance

répulsion
Meaning
intense disgust or strong aversion towards something
Example
She felt deep repugnance at the cruelty of the act.
Elle ressentit une profonde répulsion envers la cruauté de l'acte.
C2 adjective /ˈlɪmbər/

limber

souple et agile
Meaning
Flexible and agile in body or movement.
Example
Dancers need to stay limber to perform well.
Les danseurs doivent rester souples pour bien performer.
C2 verb /dɪˈspɒnd/

despond

se laisser abattre
Meaning
to lose confidence or hope; to become dejected
Example
After repeated failures, he began to despond.
Après des échecs répétés, il a commencé à se laisser abattre.
C2 adjective /ˈmɒtld/

mottled

tacheté
Meaning
Marked with spots, streaks, or blotches of different shades or colors.
Example
The snake's mottled skin helped it blend into the forest floor.
La peau tachetée du serpent l'a aidé à se fondre dans le sol de la forêt.
C2 noun /ˈhɛptɑːrki/

heptarchy

héptarchie
Meaning
A group of seven rulers or governments, especially the seven Anglo-Saxon kingdoms in early England.
Example
The history book described the heptarchy of Anglo-Saxon England.
Le livre d'histoire a décrit la héptarchie de l'Angleterre anglo-saxonne.