burgeon
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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 verb /ˈmæk.jʊˌleɪt/

maculate

maculer
Meaning
To stain, spot, or pollute something.
Example
The white cloth was maculated by ink stains.
Le tissu blanc a été souillé par des taches d'encre.
C2 noun /ˈʃæd.ək/

Shaddock

pomelo
Meaning
a large citrus fruit similar to grapefruit; pomelo
Example
The shaddock is the largest citrus fruit in the world.
Le shadok est le plus grand fruit agrume du monde.
C2 noun /sɛnˈsɔːrɪəm/

sensorium

centre sensoriel
Meaning
The part of the brain or mind concerned with the reception and interpretation of sensory stimuli.
Example
The patient’s sensorium was clouded after the accident.
Le sensorium du patient était brouillé après l'accident.
C2 verb /ˌmælˈtriːt/

maltreat

maltraiter
Meaning
To treat someone cruelly or unfairly.
Example
The law punishes those who maltreat animals.
La loi punit ceux qui maltraitent les animaux.
C2 noun /ˈɪnfəmi/

infamy

bonheur
Meaning
the state of being well known for some bad quality or deed
Example
His name will live in infamy for the crimes he committed.
Elle n'a pas pu cacher son bonheur lorsqu'elle a reçu le prix.
C2 prefix /dɪs-/

dys-

préfixe signifiant anormal, mauvais, difficile ou défectueux
Meaning
A prefix meaning abnormal, bad, difficult, or impaired.
Example
Words like 'dysfunction' and 'dyslexia' use the prefix dys- to indicate difficulty or impairment.
Des mots comme 'dysfonction' et 'dyslexie' utilisent le préfixe dis- pour indiquer une difficulté ou un handicap.
C2 adjective /ˌdaɪəˈlɛktɪkəl/

dialectical

dialectique
Meaning
Relating to the logical discussion of ideas and opinions.
Example
She took a dialectical approach to solve the complex issue.
Elle a adopté une approche dialectique pour résoudre la question complexe.
C2 adjective /ˌɪlˈneɪ.tʃəd/

ill-natured

de mauvaise nature
Meaning
Having a bad or unpleasant character; unkind or malicious.
Example
He made an ill-natured remark about his colleague.
Il a fait une remarque de mauvaise nature à propos de son collègue.
C2 adjective /əˈbɪs.əl/

abyssal

relatif à l'océan profond
Meaning
Related to or characteristic of the deep ocean, especially the zone below 4000 meters.
Example
Abyssal creatures survive in extreme pressure conditions.
Les créatures abyssales survivent dans des conditions de pression extrême.
C2 noun /ˈskɪz.əm/ or /ˈsɪz.əm/

schism

bonheur
Meaning
A division or split between strongly opposed parties, often in religion or organizations.
Example
The schism in the church led to the formation of two separate groups.
Elle n'a pas pu cacher son bonheur lorsqu'elle a reçu le prix.
C2 noun /ˈpaʊ.waʊ/

powwow

réunion informelle
Meaning
an informal meeting or conference to discuss something
Example
The team held a quick powwow before the presentation.
L'équipe a tenu une réunion rapide avant la présentation.
C2 noun /ˌmɛtəˈfɪzɪks/

metaphysics

métaphysique
Meaning
The branch of philosophy that deals with the fundamental nature of reality, existence, and the relationship between mind and matter.
Example
She studied metaphysics to understand the principles of existence beyond physical science.
Elle a étudié la métaphysique pour comprendre les principes de l'existence au-delà de la science physique.
C2 adjective /əˈsiːtɪk/

acetic

acétique
Meaning
relating to or containing acetic acid; sour or vinegary in taste or smell
Example
The acetic smell of vinegar filled the kitchen.
L'odeur acétique du vinaigre a rempli la cuisine.
C2 verb /diːˈmæɡnɪtaɪz/

demagnetize

démagnétiser
Meaning
To remove or reduce the magnetic properties of something.
Example
The technician demagnetized the old cassette tape.
Le technicien a démagnétisé la vieille cassette.
C2 noun /ˈeɪ.pi.ˌɛr.i/

apiary

ruche
Meaning
A place where beehives are kept, especially for commercial purposes.
Example
The farmer built a new apiary to produce organic honey.
L'agriculteur a construit une nouvelle ruche pour produire du miel biologique.
C2 noun /ˌvɛrɪsɪˈmɪlɪtjuːd/

verisimilitude

véracité
Meaning
the appearance of being true or real
Example
The movie was praised for its verisimilitude to actual events.
Le film a été salué pour sa véracité par rapport aux événements réels.
C2 verb /ɪkˈspʌndʒ/

expunge

effacer
Meaning
To erase or remove completely, often something unwanted.
Example
He managed to expunge the embarrassing memory from his mind.
Il a réussi à effacer le souvenir embarrassant de son esprit.
C2 noun /ˈbʊljən/

bullion

or ou argent en vrac
Meaning
Gold or silver in bulk before being coined or made into jewelry.
Example
The bank stores gold bullion in its vaults.
La banque conserve de l'or en vrac dans ses coffres.
C2 adjective /ˌæpəˈplɛktɪk/

apoplectic

apoplectique
Meaning
Extremely angry; furious.
Example
He was apoplectic when he heard about the unfair decision.
Il était apoplectique lorsqu'il a entendu parler de la décision injuste.
C2 adjective /ɪnˈɛksərəbl/

inexorable

inexorable
Meaning
Impossible to stop or prevent; relentless.
Example
The inexorable rise of technology is changing every aspect of life.
La montée inexorable de la technologie change chaque aspect de la vie.
C2 noun /nɪˈkrɒlədʒi/

necrology

nécrologie
Meaning
An obituary notice or a list of people who have recently died.
Example
The newspaper published a necrology of notable figures who passed away that year.
Le journal a publié une nécrologie des personnalités notables décédées cette année.
C2 noun /ɪkˈstɛnsər/

extensor

muscle extenseur
Meaning
a muscle that serves to extend or straighten a limb or part of the body.
Example
The extensor muscles in the arm help straighten the elbow.
Les muscles extenseurs du bras aident à redresser le coude.
C2 adjective /ˈɡɔːki/

gawky

maladroit
Meaning
Awkward and clumsy in appearance or behavior.
Example
The teenager felt gawky in his oversized suit.
L'adolescent se sentait maladroit dans son costume trop grand.
C2 adjective /suːˈpɜːrnəl/

supernal

céleste
Meaning
Relating to the heavens; celestial or divine.
Example
The painting captured a supernal beauty that felt otherworldly.
La peinture a capturé une beauté céleste qui semblait d'un autre monde.
C2 verb /ˈsʌli/

sully

salir
Meaning
to damage the purity, integrity, or reputation of something
Example
The scandal sullied the politician’s reputation.
Le scandale a sali la réputation du politicien.
C2 noun /ˈprɑːflɪɡəsi/

profligacy

dépense excessive
Meaning
reckless wastefulness or extravagance
Example
His profligacy with money led him to bankruptcy.
Sa dépense excessive l'a conduit à la faillite.
C2 noun /ˈfjʊr.ʌŋ.kəl/

Furuncle

furoncle; bosse;
Meaning
a painful pus-filled bump under the skin caused by infected, inflamed hair follicles
Example
The doctor prescribed antibiotics to treat the painful furuncle on his neck.
Le médecin a prescrit des antibiotiques pour traiter le furoncle douloureux sur son cou.
C2 adjective /ˈkɒŋɡruənt/

congruent

congruente
Meaning
in agreement or harmony; having the same shape and size in geometry
Example
Their values are congruent with the goals of the organization.
Leurs valeurs sont congruentes avec les objectifs de l'organisation.
C2 noun /vɜːrv/

verve

énergie
Meaning
Great enthusiasm, spirit, or energy in expression or performance.
Example
The actor performed his role with remarkable verve.
L'acteur a joué son rôle avec une énergie remarquable.
C2 adjective /ˈbɔːdi/

bawdy

obscène
Meaning
humorously indecent or obscene, often in a sexual way
Example
The comedian’s bawdy jokes made the audience laugh and blush.
Les blagues obscènes du comédien ont fait rire le public et ont fait rougir certains.
C2 adjective /ˈstɒlɪd/

stolid

impassible, stoïque
Meaning
Calm, dependable, and showing little emotion or animation.
Example
Despite the chaos around him, he remained stolid and composed.
Malgré le chaos autour de lui, il resta calme et posé.
C2 adjective /ˌstaʊtˈhɑːrtɪd/

stouthearted

courageux
Meaning
Brave, determined, and courageous
Example
The stouthearted soldier never gave up.
Le soldat courageux n'a jamais abandonné.
C2 noun /ˌbeɪt ˈnwɑːr/

bete noire

une chose détestée
Meaning
A person or thing that one particularly dislikes or fears.
Example
Grammar has always been his bete noire.
La grammaire a toujours été sa bête noire.
C2 adjective /blɑːˈzeɪ/

blase

blasé, indifférent
Meaning
unimpressed or indifferent to something because it has been experienced so often before
Example
After years of luxury travel, she felt blase about another trip to Paris.
Après des années de voyages de luxe, elle se sentit blasée par un autre voyage à Paris.
C2 noun /ˈsteɪsɪs/ or /ˈstæsɪs/

stasis

stase
Meaning
A state of inactivity or equilibrium; a situation where nothing changes.
Example
The negotiations reached a state of stasis with no progress made.
Les négociations ont atteint un état de stase sans progrès.
C2 noun /pəˈlæv.ər/

palaver

discussion inutile / agitation
Meaning
prolonged and idle discussion; fuss or unnecessary talk
Example
After much palaver, they finally agreed on the plan.
Après beaucoup de discussion inutile, ils ont finalement accepté le plan.
C2 noun /pluːˈtɒkrəsi/

plutocracy

gouvernement des riches
Meaning
a system of government where the wealthy hold power
Example
The country was ruled as a plutocracy.
Le pays était dirigé comme une ploutocratie.
C2 adjective /pʌŋkˈtɪliəs/

punctilious

pointilleux
Meaning
Showing great attention to detail or correct behavior.
Example
She was punctilious in her attention to etiquette.
Elle était pointilleuse dans son attention à l'étiquette.
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 /ˌvælɪˈdɪkʃən/

valediction

discours d'adieu
Meaning
The act of saying farewell; a formal goodbye.
Example
The professor gave a touching valediction at his retirement ceremony.
Le professeur a prononcé un discours émouvant d'adieu lors de sa cérémonie de retraite.
C2 noun /ˈæl.kə.laɪ ækt/

Alkali Act

Loi de l'Alcalinité
Meaning
A British law passed in 1863 to regulate the emission of hydrochloric acid gas from alkali works, representing one of the first pieces of environmental legislation.
Example
The Alkali Act of 1863 was one of the first environmental laws.
La Loi de l'Alcalinité de 1863 fut l'une des premières lois environnementales.
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 adjective /ˈræŋ.kər.əs/

rancorous

rancunier
Meaning
Characterized by bitterness or resentment.
Example
Their rancorous debate lasted for hours.
Leurs débats rancuniers ont duré des heures.
C2 noun /ˈsʌbtrəˌhɛnd/

subtrahend

minuende
Meaning
a number that is to be subtracted from another number
Example
In the equation 10 - 4, the number 4 is the subtrahend.
Dans l'équation 10 - 4, le nombre 4 est le minuende.
C2 adjective /sɪmˈfoʊniəs/

symphonious

harmonieux
Meaning
Harmonious; producing a pleasant sound or agreement of sound.
Example
The choir's voices were symphonious and filled the hall with beauty.
Les voix du chœur étaient harmonieuses et remplissaient la salle de beauté.
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 noun /ˌɛn.biː.esˈpiː/

nbsp

espace insécable
Meaning
a non-breaking space character in HTML used to prevent an automatic line break at its position
Example
Use   in HTML to add a space that won't break into a new line.
Utilisez   dans HTML pour ajouter un espace qui ne se casse pas en une nouvelle ligne.
C2 adjective /ˌsɛm.iˈsɪv.ə.laɪzd/

semicivilized

semi-civilisé
Meaning
Partially civilized; having some aspects of civilization but not fully developed.
Example
The tribe was described as semicivilized by early explorers.
La tribu a été décrite comme semi-civilisée par les premiers explorateurs.
C2 noun /ˈɒlɪv bɑːb/

Olive barb

barbe olive
Meaning
A small freshwater fish with olive-colored body and barbels
Example
The olive barb is commonly found in South Asian rivers.
La barbe olive se trouve couramment dans les rivières d’Asie du Sud.
C2 noun /kɪθ/

kith

amis
Meaning
Friends, acquaintances, and relations.
Example
He invited all his kith and kin to the wedding.
Il a invité tous ses amis et sa famille au mariage.
C2 noun /ˌɪmprəˈsɑːrioʊ/

impresario

impresario
Meaning
A person who organizes or finances concerts, plays, or operas.
Example
The impresario arranged a series of concerts for the rising star.
L'impresario a organisé une série de concerts pour la star montante.
C2 noun /ˌɪndɛnˈteɪʃən/

indentation

indentation
Meaning
A space left at the beginning of a line of text; a notch or deep recess on a surface.
Example
The teacher asked the students to use proper indentation in their essays.
Le professeur a demandé aux élèves d'utiliser une indentation correcte dans leurs essais.
C2 noun /səˈɡæs.ə.t̬i/

sagacity

sagesse profonde
Meaning
The quality of being sagacious; having or showing keen mental discernment and good judgment.
Example
His sagacity made him a great leader.
Sa sagacité faisait de lui un grand leader.
C2 adjective /ˌpaɪroʊˈtɛknɪk/

pyrotechnic

pyrotechnique
Meaning
Relating to fireworks or spectacular displays involving fire.
Example
The city celebrated with a grand pyrotechnic display on New Year's Eve.
La ville a célébré avec un grand spectacle pyrotechnique lors de la veille du Nouvel An.
C2 adjective /ˌdaɪəˈtɒmɪk/

diatomic

diatomique
Meaning
Consisting of two atoms.
Example
Oxygen is a diatomic molecule.
L'oxygène est une molécule diatomique.
C2 noun /ˌfɪziˈɑːɡrəfi/

physiography

physiographie
Meaning
the study of the physical features of the earth's surface
Example
He specialized in physiography to understand the landscape of the region.
Il s'est spécialisé en physiographie pour comprendre le paysage de la région.
C2 noun /məˈnɒkrəsi/

monocracy

monocratie
Meaning
A system of government by a single person; autocracy.
Example
The nation suffered under decades of monocracy.
La nation a souffert sous des décennies de monocratie.
C2 noun /ˈhɛklər/

heckler

perturbateur
Meaning
A person who interrupts a speaker with rude or aggressive comments.
Example
The politician remained calm despite the heckler shouting from the crowd.
Le politicien est resté calme malgré le perturbateur criant depuis la foule.
C2 noun /skʌlˈdʌɡəri/

skulduggery

fraude
Meaning
underhanded or dishonest behavior
Example
The politician was accused of financial skulduggery.
Le politicien a été accusé de fraude financière.
C2 adjective /ˈfʊtˌluːs/

footloose

libre
Meaning
Free to go anywhere or do anything; not tied down by responsibilities.
Example
After graduating, he felt footloose and ready to explore the world.
Après avoir obtenu son diplôme, il se sentait libre et prêt à explorer le monde.
C2 adjective /fækˈtɪʃəs/

factitious

artificiel, non authentique
Meaning
artificial or fabricated; not natural or genuine
Example
The excitement in his story seemed factitious and forced.
L'excitation dans son histoire semblait factice et forcée.
C2 verb /ˈstræɡəl/

straggle

se déplacer de manière irrégulière
Meaning
To move or spread in an irregular, scattered, or untidy way.
Example
The children began to straggle behind on the long hike.
Les enfants ont commencé à traîner derrière pendant la longue randonnée.
C2 adjective /pəˈlædʒ.ɪk/

pelagic

relatif à l'océan ouvert
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.
Les poissons pélagiques comme le thon se trouvent loin de la côte.
C2 verb /ˈɛmɪt/

emmet

fourmi
Meaning
an ant; a small insect
Example
The emmet carried food to its nest.
La fourmi a porté de la nourriture à son nid.
C2 noun /ˈlændˌhoʊl.dər/

landholder

propriétaire foncier
Meaning
a person who owns land, especially in large amounts
Example
The landholder leased part of his property to local farmers.
Le propriétaire foncier a loué une partie de sa propriété à des agriculteurs locaux.
C2 noun /ˌhoʊmə.dʒəˈniːəti/

homogeneity

homogénéité
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.
L'homogénéité culturelle du village donnait l'impression qu'il était uni.
C2 noun /ˌɪnkænˈdɛsəns/

incandescence

incandescence
Meaning
the emission of light from a hot object; brilliance
Example
The incandescence of the candle filled the dark room.
L'incandescence de la bougie remplit la pièce sombre.
C2 adjective /ˈpɛkəbl/

peccable

pécheur
Meaning
liable to sin or error; capable of doing wrong
Example
Humans are peccable, but they strive for goodness.
Les humains sont pécheurs, mais ils s'efforcent de faire le bien.
C2 noun /dɜːrdʒ/

dirge

élégie
Meaning
A mournful song, piece of music, or poem expressing grief, often for the dead.
Example
The choir sang a solemn dirge at the funeral.
La chorale a chanté une élégie solennelle lors des funérailles.
C2 noun /ˌnɒvəˈlɛt/

novellette

novellette
Meaning
A short novel or long short story.
Example
The author published a novellette as a preview of her upcoming series.
L'auteur a publié une novellette en avant-première de sa prochaine série.
C2 noun /ˈaɪ.ərn.wʊd/

Ironwood

bois de fer
Meaning
a hard, dense wood from various trees; also the tree itself that produces small flowers
Example
The ironwood tree blooms with tiny white flowers.
L'arbre de bois de fer fleurit avec de petites fleurs blanches.
C2 noun /ˈæpədʒiː/

apogee

apogée
Meaning
the highest or most distant point; the climax or peak of something
Example
The empire reached its apogee during the 18th century.
L'empire a atteint son apogée au XVIIIe siècle.
C2 noun ˈoʊʃən ˌstrætɪfɪˈkeɪʃən

ocean stratification

stratification océanique
Meaning
The formation of layers in ocean water due to differences in density.
Example
Ocean stratification affects marine biodiversity.
La stratification océanique affecte la biodiversité marine.
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 /ˌrɒŋˈhɛd.ɪd/

wrongheaded

à l'esprit tordu
Meaning
Having or showing bad judgment or stubbornly holding to wrong ideas.
Example
The policy was considered wrongheaded and harmful.
La politique a été considérée comme ayant l'esprit tordu et nuisible.
C2 noun /ˈpætwɑː/

patois

patois
Meaning
a regional or social dialect, especially one considered nonstandard or informal
Example
The guide slipped into local patois when chatting with the fishermen.
Le guide a commencé à parler en patois local en discutant avec les pêcheurs.
C2 adjective /prɪˈzʌmptɪv/

presumptive

présumé
Meaning
Based on probability or assumption rather than proof.
Example
She is the presumptive nominee for the party.
Elle est la candidate présumée pour le parti.
C2 noun /ˈhʌmbʌɡ/

humbug

foutaises, balivernes
Meaning
Deceptive or false talk or behavior; nonsense.
Example
He dismissed the idea as humbug.
Il a rejeté l'idée comme des foutaises.
C2 adjective /ˈtɜːrbɪd/

turbid

trouble
Meaning
Cloudy, opaque, or thick with suspended matter; confused or obscure in meaning.
Example
The river water became turbid after the heavy rains.
L'eau de la rivière est devenue trouble après les fortes pluies.
C2 noun /ˈdʒæz.mɪn/

Jesmine

jasmin
Meaning
a climbing shrub with fragrant white or yellow flowers
Example
The jasmine flowers filled the garden with their sweet fragrance.
Les fleurs de jasmin remplissaient le jardin de leur douce fragrance.
C2 verb /ˈvaɪtəlaɪz/

vitalize

vitaliser
Meaning
To give life, energy, or strength to something.
Example
Fresh air and exercise can vitalize the body and mind.
L'air frais et l'exercice peuvent vitaliser le corps et l'esprit.
C2 adjective /ˈpliːnəri/

plenary

plénier
Meaning
complete in every way; fully attended or absolute
Example
The committee held a plenary session to discuss all matters of importance.
Le comité a tenu une séance plénière pour discuter de toutes les questions importantes.
C2 verb /ˌdɛlɪˈkwɛs/

deliquesce

devenir liquide en absorbant l'humidité de l'air
Meaning
to become liquid by absorbing moisture from the air
Example
The salt began to deliquesce after being left in the humid room.
Le sel a commencé à se délier après avoir été laissé dans la pièce humide.
C2 noun /fɪˈlændərər/

philanderer

volage
Meaning
a man who habitually engages in casual romantic or sexual affairs
Example
The politician was exposed as a notorious philanderer.
Le politicien a été exposé comme un célèbre volage.
C2 noun /ˈklaʊdˌbɜːrst/

cloudburst

averse soudaine et intense
Meaning
a sudden and very heavy rainfall
Example
The picnic was ruined by a sudden cloudburst.
Le pique-nique a été gâché par une averse soudaine et intense.
C2 noun /ˈkætəˌklɪzəm/

cataclysm

cataclysme
Meaning
A sudden and violent event that causes great destruction or upheaval.
Example
The earthquake was a cataclysm that reshaped the city.
Le tremblement de terre a été un cataclysme qui a redessiné la ville.
C2 adjective /ˌdɪsəˈfɛktɪd/

disaffected

mécontent
Meaning
Dissatisfied and rebellious, especially against authority or leadership.
Example
The reforms were introduced to calm the disaffected youth.
Les réformes ont été introduites pour calmer la jeunesse mécontente.
C2 noun /ˈrɛk.tɪ.tjuːd/

rectitude

rectitude
Meaning
Morally correct behavior or thinking; righteousness and integrity.
Example
His rectitude earned him respect in society.
Sa rectitude lui a valu le respect dans la société.
C2 verb /ˈdʒɛn.juˌflɛkt/

genuflect

se prosterner en signe de révérence
Meaning
to bend one or both knees as a sign of reverence or worship
Example
The worshippers genuflect before the altar.
Les adorateurs se prosternent devant l'autel.
C2 adjective /pərˈfɪdiəs/

perfidious

traître
Meaning
deceitful and untrustworthy
Example
The spy was executed for his perfidious actions.
L'espion a été exécuté pour ses actions perfides.
C2 adjective /ˈækwɪˌlaɪn/

aquiline

de type bec d'aigle
Meaning
curved like an eagle's beak; hooked
Example
He had an aquiline nose that gave him a distinguished appearance.
Il avait un nez de type bec d'aigle qui lui donnait une apparence distinguée.
C2 adjective /ˈsækərɪn/

saccharine

bonheur
Meaning
Excessively sweet or sentimental.
Example
His saccharine smile seemed insincere.
Elle ne pouvait pas cacher son bonheur lorsqu'elle a reçu le prix.
C2 adjective /sɪˈnɜːrdʒɪk/

synergic

synergique
Meaning
Working together in a cooperative and effective manner.
Example
The two departments have a synergic relationship that boosts productivity.
Les deux départements ont une relation synergique qui augmente la productivité.
C2 adjective /ˈprɒmɪsəri/

promissory

promissoire
Meaning
Containing or conveying a promise, especially in writing.
Example
He signed a promissory note to repay the loan.
Il a signé un billet à ordre pour rembourser le prêt.
C2 verb /ɪnˈθrɔːl/

enthral

captiver
Meaning
To captivate or hold someone’s full attention.
Example
The magician’s performance enthralled the audience.
La performance du magicien a captivé l'audience.
C2 noun /lɒx/

loch

lac
Meaning
a lake or sea inlet, especially in Scotland
Example
Tourists visit Loch Ness to search for the legendary monster.
Les touristes visitent le Loch Ness pour chercher le monstre légendaire.
C2 adjective /ˈfræk.ʃəs/

Fractious

irritable; querelleur; difficile à contrôler
Meaning
irritable and quarrelsome; difficult to control; bad-tempered
Example
The fractious child refused to follow any of the teacher's instructions.
L'enfant fractieux a refusé de suivre les instructions de l'enseignant.
C2 adjective /ˈɡloʊboʊs/

globose

globulaire
Meaning
Spherical or nearly spherical in shape.
Example
The cactus has large globose fruits.
Le cactus a de gros fruits globulaires.
C2 adjective /ˈnɛðər/

nether

inférieur
Meaning
situated down or below; lower
Example
They explored the nether regions of the cave.
Ils ont exploré les régions inférieures de la grotte.
C2 noun /ɪˌdʒækjʊˈleɪʃən/

ejaculation

éjaculation / exclamation soudaine
Meaning
The action of suddenly saying something or the release of semen during sexual climax.
Example
His sudden ejaculation of joy surprised everyone in the room.
Son éjaculation soudaine de joie a surpris tout le monde dans la pièce.
C2 noun /əˈrɔɪ.oʊ/

arroyo

ruisseau sec
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.
Après la tempête, le ruisseau s'est rapidement rempli d'eau.
C2 noun /ɪˈreɪdiəns/

irradiance

irradiance
Meaning
the quality of shining brightly; the intensity of light falling on a surface
Example
The irradiance of the sun at noon was overwhelming.
L'irradiance du soleil à midi était accablante.
C2 adjective /sɒmˈnɪfərəs/

somniferous

somnifère
Meaning
Tending to induce sleep; soporific.
Example
The professor's somniferous lecture put half the class to sleep.
Le cours somnifère du professeur a endormi la moitié de la classe.
C2 adjective /ˈkæloʊ/

callow

immature
Meaning
Inexperienced and immature.
Example
The callow intern made several mistakes on his first day.
Le stagiaire immature a fait plusieurs erreurs lors de son premier jour.
C2 noun /ˌænɪmædˈvɜːʒən/

animadversion

critique
Meaning
Strong criticism or censure.
Example
The policy attracted severe animadversion from the public.
La politique a attiré une critique sévère du public.
C2 adjective /ˈfætʃuəs/

fatuous

fatuo
Meaning
silly or foolish, especially in a self-satisfied way
Example
His fatuous comments during the meeting annoyed everyone.
Ses commentaires fatuos pendant la réunion ont agacé tout le monde.
C2 noun /ˈlɪθəˌtaɪp/

lithotype

lithotype (surface d'impression)
Meaning
a printing surface or type made for lithography
Example
The printer used a lithotype to produce multiple copies of the design.
L'imprimante a utilisé un lithotype pour produire plusieurs copies du design.
C2 noun /ˌkɔːrnjuˈkoʊpiə/

cornucopia

une abondance ou un approvisionnement débordant de quelque chose
Meaning
an abundance or overflowing supply of something
Example
The festival offered a cornucopia of fruits and sweets.
Le festival a offert une cornucopia de fruits et de bonbons.
C2 adjective /ɪˈfɛktʃuəl/

effectual

efficace
Meaning
producing a desired or intended effect, often used in formal contexts
Example
Her effectual efforts brought peace to the community.
Ses efforts efficaces ont apporté la paix à la communauté.
C2 noun /ˈfɪl.ɪ.staɪn/

philistine

personne indifférente ou hostile à la culture et aux arts
Meaning
a person who is indifferent or hostile to culture and the arts
Example
He was criticized as a philistine for dismissing modern art.
Il a été critiqué comme un philistin pour avoir rejeté l'art moderne.
C2 noun /ˈəʊpəs/

opus

œuvre créative
Meaning
A creative work, especially a large and important piece of music or art.
Example
The composer considered the symphony his greatest opus.
Le compositeur considérait la symphonie comme sa plus grande œuvre créative.
C2 verb /ˌɪntərˈsiːd/

intercede

intercéder
Meaning
to act or plead on behalf of someone in difficulty or trouble; to intervene between parties to help resolve a dispute
Example
She interceded with the teacher to give her brother another chance.
Elle a intercédé auprès du professeur pour donner une autre chance à son frère.
C2 adjective /ˈəʊ.dər.əs/

Odorous

parfumé; aromatique
Meaning
having a strong smell; fragrant; aromatic
Example
The garden was filled with odorous flowers.
Le jardin était rempli de fleurs parfumées.
C2 noun /klɛərˈvɔɪəns/

clairvoyance

clairvoyance
Meaning
the supposed ability to perceive events beyond normal sensory contact; psychic insight
Example
She claimed to have clairvoyance and predicted the future.
Elle a prétendu avoir de la clairvoyance et a prédit l'avenir.
C2 verb /ˌkaʊntərˈveɪl/

countervail

contrebalancer
Meaning
to offset or counteract the effect of something
Example
The benefits of the new policy countervail its drawbacks.
Les avantages de la nouvelle politique contrebalancent ses inconvénients.
C2 noun /ɪmˈpjuːɪsəns/

impuissance

impuissance
Meaning
inability to take effective action; helplessness
Example
The government’s impuissance in the face of crisis frustrated the people.
L’impuissance du gouvernement face à la crise a frustré la population.
C2 noun /ˌkəʊ.əˈles.əns/

coalescence

coalescence, fusion
Meaning
The process of coming together to form one mass or whole.
Example
The coalescence of different cultures creates diversity.
La coalescence de différentes cultures crée de la diversité.
C2 noun /ˈɔːrɪkl̩/

auricle

partie externe de l'oreille
Meaning
The external part of the ear; also an upper chamber of the heart in anatomy.
Example
The doctor examined the patient’s auricle for signs of infection.
Le médecin a examiné la partie externe de l'oreille du patient à la recherche de signes d'infection.
C2 noun /ˈɪrɪtənsi/

irritancy

irritation
Meaning
the quality or state of causing irritation; legal or formal invalidation
Example
The constant noise became an irritancy to the neighbors.
Le bruit constant est devenu une irritation pour les voisins.
C2 noun /vəˈrɑːɡoʊ/

virago

femme autoritaire ou agressive
Meaning
a loud, overbearing woman; historically, a strong or courageous woman
Example
The play depicted the heroine as a fierce virago who defied tradition.
La pièce a dépeint l'héroïne comme une virago féroce qui défiait la tradition.