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A1 noun /bɪˈɡɪnɪŋ/

beginning

début
Meaning
The start or first part of something.
Example
The beginning of the story was very interesting.
Le début de l'histoire était très intéressant.
C1 adjective/verb /ˈkɒn.sə.mət/

consummate

compléter ou perfectionner quelque chose avec une grande habileté
Meaning
To complete or perfect something with great skill
Example
He is a consummate artist with years of experience.
C'est un artiste consommé avec des années d'expérience.
C1 verb /ˈɪrɪˌɡeɪt/

irrigate

arroser
Meaning
to supply water to land or crops; to wash out a wound with water
Example
Farmers irrigate their fields during dry seasons.
Les agriculteurs irriguent leurs champs pendant les saisons sèches.
C2 noun /ˌkɒnfəˈriː/

conferee

participant à la conférence
Meaning
a person who takes part in a conference
Example
Each conferee received a badge at the registration desk.
Chaque participant à la conférence a reçu un badge au comptoir d'inscription.
C2 noun /ˈrɛvəlri/

revelry

fête
Meaning
Lively and noisy festivities, especially involving drinking and dancing.
Example
The sound of revelry could be heard throughout the night.
Le bruit de la fête se faisait entendre toute la nuit.
C2 noun /ˈmænˌiː.tər/

man-eater

mangeur d'hommes
Meaning
An animal that kills and eats humans; informally, a woman who is very assertive in relationships.
Example
The tiger became a notorious man-eater in the village.
Le tigre est devenu un mangeur d'hommes notoire dans le village.
C2 noun /feɪt/

fete

fête, célébration
Meaning
a celebration or festival, often in honor of someone
Example
The village held a grand fete to celebrate the harvest.
Le village a organisé une grande fête pour célébrer la récolte.
C1 noun /lɪˈkjʊər/

liqueur

liqueur sucrée
Meaning
A strong, sweet alcoholic drink flavored with fruits, herbs, or spices.
Example
She served a small glass of cherry liqueur after dinner.
Elle a servi un petit verre de liqueur de cerise après le dîner.
C2 noun /ˈdiːɪst/

deist

déiste
Meaning
a person who believes in the existence of a supreme being but rejects organized religion
Example
The philosopher identified himself as a deist.
Le philosophe s'est identifié comme un déiste.
B1 noun /bɑːn/

barn

grange
Meaning
a large building used for storing grain or housing farm animals
Example
The farmer keeps his cows in the barn.
Le fermier garde ses vaches dans la grange.
C2 noun /ˈpɛstɪləns/

pestilence

peste
Meaning
A deadly or virulent epidemic disease that spreads rapidly.
Example
The medieval city was devastated by a pestilence.
La ville médiévale a été dévastée par une peste.
C2 adjective /ˈskʌr.ɪ.ləs/

scurrilous

calomnieux
Meaning
Using or expressed in coarse, abusive, or slanderous language.
Example
The politician faced criticism for his scurrilous remarks about his opponent.
Le politicien a fait face à des critiques pour ses remarques calomnieuses sur son adversaire.
A2 noun /ˈæk.ʃən/

Action

action; tâche
Meaning
the process of doing something; something that is done
Example
We need to take action to solve this problem.
Nous devons agir pour résoudre ce problème.
B2 adjective /ˈsɪn.ɪ.kəl/

cynical

cynique
Meaning
Believing that people are motivated by self-interest; distrustful of human sincerity or integrity.
Example
She was cynical about the politician's promises.
Elle était cynique à propos des promesses du politicien.
B2 noun /ˈkrɪstəl/

crystal

cristal
Meaning
a clear, transparent mineral or glass that forms a solid structure with regular patterns
Example
She wore a necklace made of sparkling crystal.
Elle portait un collier fait de cristal étincelant.
B1 adjective /ˌdɪs.əˈpɔɪn.tɪd/

Disappointed

déçu
Meaning
sad because something has not happened or is not as good as expected
Example
She was disappointed with her exam results.
Elle était déçue par les résultats de son examen.
B2 noun /ˈɡʌvərnər/

governor

gouverneur
Meaning
An official appointed or elected to govern a state, territory, or organization.
Example
The governor addressed the citizens about the upcoming election.
Le gouverneur a adressé les citoyens concernant les élections à venir.
C1 verb /ˌdɪsɪnˈtæŋɡl/

disentangle

démêler
Meaning
To free something or someone from a tangle or complication.
Example
She tried to disentangle her hair from the branches.
Elle a essayé de démêler ses cheveux des branches.
B2 noun /ɔːˈræŋ.ʊˌtæŋ/

Orang-Outang

orang-outang
Meaning
a large arboreal ape with long reddish hair, long arms, and hooked hands and feet, native to Borneo and Sumatra
Example
The orangutan swings gracefully through the forest canopy.
L'orang-outang se balance gracieusement à travers la canopée de la forêt.
C2 adjective /bɪˈnɪɡnənt/

benignant

bienveillant, généreux
Meaning
Kindly and benevolent in nature.
Example
The teacher’s benignant attitude made the students feel comfortable.
L'attitude bénigne du professeur a rendu les étudiants à l'aise.
A2 noun /ˈfɔːrənər/ or /ˈfɑːrənər/

foreigner

étranger
Meaning
A person from another country.
Example
The city welcomes every foreigner with kindness.
La ville accueille chaque étranger avec gentillesse.
C1 adjective /ˌkaʊntərɪnˈtuːɪtɪv/

counterintuitive

contre-intuitif
Meaning
contrary to what one would intuitively expect
Example
His approach seems counterintuitive but it actually works.
Son approche semble contre-intuitive, mais elle fonctionne réellement.
C2 noun /ɪˈpɪsəl/

epistle

épître
Meaning
A letter, especially a formal or didactic one; often used for letters in the New Testament.
Example
He wrote a long epistle to his friend about his travels.
Il a écrit une longue épître à son ami au sujet de ses voyages.
B1 verb /ɪnˈvɑːlv/

involve

impliquer
Meaning
to include as a necessary part, or to engage someone in an activity
Example
The project will involve several departments working together.
Le projet impliquera plusieurs départements travaillant ensemble.
B2 verb ɪnˈvɛst.ɪŋ

investing

investir
Meaning
The act of putting money into financial schemes, shares, property, or a commercial venture with the expectation of achieving a profit.
Example
Investing in stocks can generate long-term wealth.
Investir dans des actions peut générer de la richesse à long terme.
A1 verb /tɔːk/

talk

parler
Meaning
to speak; to communicate by speaking; to discuss
Example
Let's talk about your future plans.
Parlons de tes projets futurs.
B2 noun /ˈkænjən/

canyon

canyon
Meaning
A deep gorge, typically one with a river flowing through it.
Example
The Colorado River carved the Grand Canyon over millions of years.
Le fleuve Colorado a sculpté le Grand Canyon pendant des millions d'années.
C2 adjective /ˈɑːrtləs/

artless

naturel, simple
Meaning
Without deception or pretentiousness; natural and simple.
Example
Her artless smile made everyone feel at ease.
Son sourire naturel a mis tout le monde à l'aise.
B1 adverb /ˈdiːp.li/

Deeply

profondément; intensément; profondément
Meaning
to a great depth; intensely; profoundly
Example
She breathed deeply before making her decision.
Elle respira profondément avant de prendre sa décision.
B1 noun /ˈlæbrətɔːri/

laboratory

laboratoire
Meaning
A room or building equipped for scientific experiments, research, or teaching.
Example
The students conducted the experiment in the chemistry laboratory.
Les étudiants ont mené l'expérience dans le laboratoire de chimie.
C1 noun/verb /ˈhɛmərɪdʒ/

hemorrhage

hémorragie
Meaning
A significant loss of blood from a ruptured blood vessel, or to lose blood heavily.
Example
The patient suffered a severe brain hemorrhage.
Le patient a souffert d'une grave hémorragie cérébrale.
B2 noun /dɪˈstɪŋk.ʃən/

Distinction

distinction; excellence; reconnaissance
Meaning
a difference or contrast between similar things; excellence that sets someone apart; honor or recognition
Example
She graduated with distinction, earning the highest honors in her class.
Elle a obtenu son diplôme avec distinction, obtenant les plus grands honneurs dans sa classe.
B1 adverb /ˈʃɔːt.li/

Shortly

bientôt; dans peu de temps; brièvement
Meaning
soon; in a short time; briefly
Example
The meeting will begin shortly.
La réunion commencera bientôt.
C2 adverb /ˌfɔːrθˈwɪθ/

Forthwith

immédiatement; sans retard; sur-le-champ
Meaning
immediately; without delay; at once
Example
The manager ordered the employee to stop the unsafe practice forthwith.
Le directeur a ordonné à l'employé d'arrêter immédiatement la pratique dangereuse.
A2 noun /ˈʌn.jən/

Onion

oignon
Meaning
a round vegetable with a strong taste and smell, made up of many layers
Example
I need to chop some onions for the curry recipe.
J'ai besoin de couper des oignons pour la recette du curry.
C1 verb /rænt/

rant

rager
Meaning
to speak or shout in an angry, uncontrolled way
Example
He ranted about the unfair treatment at work.
Il a crié à propos du traitement injuste au travail.
C2 verb /ɪˈvɪns/

evince

démontrer
Meaning
to show or demonstrate clearly
Example
She evinced her interest in the project through active participation.
Elle a montré son intérêt pour le projet par une participation active.
C2 noun /ˈmɜːkinəs/

murkiness

obscurité
Meaning
The quality of being dark, gloomy, or unclear.
Example
The murkiness of the water made it hard to see the fish.
L'obscurité de l'eau rendait difficile de voir les poissons.
C1 adjective /ˌʌnrɪˈfaɪnd/

unrefined

non raffiné
Meaning
not processed or purified; lacking polish or sophistication
Example
The unrefined oil must be processed before it can be used as fuel.
Le pétrole non raffiné doit être traité avant d’être utilisé comme carburant.
C1 adjective /ˈrɔːkəs/

raucous

bruyant, tapageur
Meaning
loud, harsh, and unpleasant sound or behavior
Example
The crowd became raucous after the team scored.
La foule est devenue bruyante après que l'équipe a marqué.
C1 noun, verb /ˈfɜːrloʊ/

furlough

congé temporaire
Meaning
temporary leave of absence from work, especially that granted to an employee or soldier
Example
Many workers were placed on furlough during the crisis.
De nombreux travailleurs ont été mis en congé pendant la crise.
B1 noun /slaɪs/

Slice

tranche; part
Meaning
a thin, flat piece cut from something larger
Example
Would you like a slice of pizza?
Voulez-vous une tranche de pizza ?
C2 noun /vɜːrˈtuː/

virtu

goût pour l'art
Meaning
a love of or taste for fine art, antiques, or curiosities
Example
The collector’s house was filled with objects of virtu.
La maison du collectionneur était remplie d'objets de virtu.
A1 determiner/pronoun /ˈɛni/

any

n'importe quel
Meaning
one, some, or all, without specifying which
Example
Do you have any questions?
As-tu des questions ?
C2 verb /leɪv/

lave

laver
Meaning
To wash or bathe.
Example
She laved her face with cool water.
Elle a lavé son visage avec de l'eau froide.
B2 noun /ˈæstərɔɪd/

asteroid

astéroïde
Meaning
A small rocky body orbiting the sun, mostly found in the asteroid belt between Mars and Jupiter.
Example
The asteroid belt lies between the orbits of Mars and Jupiter.
La ceinture d'astéroïdes se situe entre les orbites de Mars et Jupiter.
C2 noun /ˌkiː.təʊˈdʒen.ɪ.sɪs/

ketogenesis

processus de production de cétones
Meaning
The metabolic process by which the liver produces ketones from fatty acids, providing an alternative energy source during low carbohydrate availability.
Example
Ketogenesis occurs during fasting or low-carb diets.
La cétogenèse se produit lors du jeûne ou des régimes pauvres en glucides.
C2 noun ˈsɒmnələns

somnolence

somnolence
Meaning
A state of drowsiness or sleepiness; inclination to sleep.
Example
The somnolence after a heavy meal made it hard to concentrate.
La somnolence après un repas copieux a rendu difficile la concentration.
B2 adjective /ˈnoʊ.bəl/

Noble

noble
Meaning
having high moral qualities; honorable; generous; of aristocratic birth
Example
His noble actions helped many people in need.
Ses actions nobles ont aidé de nombreuses personnes dans le besoin.
B2 noun /ˈtiːmmeɪt/

teammate

coéquipier
Meaning
a member of the same team
Example
He congratulated his teammate after scoring the goal.
Il a félicité son coéquipier après avoir marqué le but.
B2 verb /ˈkʌltɪveɪt/

cultivate

cultiver
Meaning
to grow crops or plants; to develop or improve something
Example
Farmers cultivate rice in the paddy fields.
Les agriculteurs cultivent du riz dans les champs.
B1 adverb /ɪˈnɪʃəli/

initially

initialement
Meaning
At the beginning; at first.
Example
Initially, he refused the offer but later accepted it.
Au début, il a refusé l'offre mais l'a acceptée plus tard.
C2 noun /ˈæp.ɪˌkʌl.tʃər/

apiculture

apiculture
Meaning
The practice of keeping and raising bees for honey and other products.
Example
Apiculture plays a vital role in agriculture by supporting pollination.
L'apiculture joue un rôle vital dans l'agriculture en soutenant la pollinisation.
C2 adjective /əˈsɪdjʊləs/

acidulous

légèrement acide ou amer
Meaning
slightly sour or sharp in taste or manner
Example
The critic wrote an acidulous review of the movie.
Le critique a écrit une critique acide du film.
C2 noun /ˌsɪŋ.krəˈnɪs.ɪ.ti/

synchronicity

synchronicité
Meaning
The meaningful coincidence of two or more events that are not planned.
Example
The synchronicity of their thoughts amazed everyone.
La synchronicité de leurs pensées a étonné tout le monde.
B2 noun /ˈsɪɡ.nə.tʃər/

Signature

signature
Meaning
a person's name written in their own handwriting as identification or authorization
Example
Please put your signature at the bottom of the document.
Veuillez mettre votre signature au bas du document.
B2 noun /ˈsɛmɪˌtɛri/

cemetery

cimetière
Meaning
a place where dead people are buried
Example
The old cemetery is located at the edge of the village.
Le vieux cimetière est situé à la périphérie du village.
A2 adverb /əˈpɑːrt/

Apart

séparément; loin l'un de l'autre; en morceaux
Meaning
separately; away from each other; in pieces
Example
The two buildings are far apart from each other.
Les deux bâtiments sont très éloignés l'un de l'autre.
B2 adjective /prɛsˈtɪdʒəs/

prestigious

prestigieux
Meaning
having a high reputation; respected
Example
Harvard University is one of the most prestigious universities in the world.
L'Université de Harvard est l'une des universités les plus prestigieuses du monde.
C2 noun /ˈneɪˌseɪ.ɪŋ/

naysaying

expression négative
Meaning
The act of expressing negative or pessimistic views.
Example
His constant naysaying discouraged the team.
Ses continuelles expressions négatives ont découragé l'équipe.
C1 adjective /ˌfɑːrˈfetʃt/

farfetched

improbable ou peu probable
Meaning
unlikely to happen or be true; improbable
Example
His explanation for being late sounded farfetched.
Son explication pour son retard semblait invraisemblable.
C2 adjective /ˈprɛfətɔːri/

prefatory

prélude
Meaning
serving as an introduction or preface
Example
He made some prefatory remarks before the lecture began.
Il a fait quelques remarques préliminaires avant que la conférence ne commence.
B2 noun ˈθrɛʃhəʊld

threshold

seuil, limite
Meaning
A point of entry or beginning; the magnitude or intensity that must be exceeded for a certain reaction to occur.
Example
Once the threshold for pest population is reached, measures must be taken.
Une fois que le seuil de la population de parasites est atteint, des mesures doivent être prises.
C1 noun /ˈtraɪ.fəl/

Trifle

chose insignifiante ou de peu d'importance
Meaning
something of little importance or value; a small amount
Example
Don't worry about such a trifle; it's not worth your time.
Ne vous inquiétez pas d'une broutille comme celle-ci; cela ne vaut pas votre temps.
C2 noun /ˌniːoʊˈlætɪn/

neo-latin

néo-latin
Meaning
The use of Latin language for scholarly, scientific, and literary purposes after the medieval period.
Example
Many scientific names are derived from Neo-Latin.
De nombreux noms scientifiques sont dérivés du néo-latin.
A1 noun /klɑːs/

class

classe
Meaning
a group of students taught together or a category of people or things with shared characteristics
Example
Our class meets every morning at nine.
Notre classe se réunit tous les matins à neuf heures.
A2 verb /liːd/

lead

diriger
Meaning
To guide or be in charge; to show the way.
Example
He led the team to victory.
Il a dirigé l'équipe vers la victoire.
C1 adjective /əˈɡæst/

aghast

stupéfait
Meaning
filled with shock or horror
Example
The audience was aghast at the tragic scene.
Le public était stupéfait devant la scène tragique.
C2 noun /ˌkɒnsæŋˈɡwɪnɪti/

consanguinity

consanguinité
Meaning
The fact of being descended from the same ancestor; blood relationship.
Example
The degree of consanguinity was important in inheritance laws.
Le degré de consanguinité était important dans les lois de l'héritage.
C2 adjective /ˈvɛntrəl/

ventral

ventral
Meaning
relating to the underside or abdominal part of an animal or organ
Example
The fish has a white ventral surface.
Le poisson a une surface ventrale blanche.
C2 noun /rɪˈkwaɪtəl/

requital

rétribution
Meaning
The act of returning something, such as a favor, service, or punishment; repayment or retaliation.
Example
She offered her time in requital for his kindness.
Elle a offert son temps en rétribution pour sa gentillesse.
C1 noun /ˈproʊbeɪt/

probate

preuve testamentaire
Meaning
the official proving of a will in a court of law
Example
The family had to go through probate after his death.
La famille a dû passer par la procédure de preuve testamentaire après son décès.
C1 verb /priːˈɛmpt/

pre-empt

prévenir à l'avance
Meaning
to act in advance to prevent an anticipated event from happening; forestall
Example
The government moved to pre-empt a crisis by introducing new policies.
Le gouvernement a agi pour prévenir une crise en introduisant de nouvelles politiques.
C2 adverb /ˌeɪˈmɔːrəli/

amorally

amoralement
Meaning
In a way that shows no concern about whether behavior is morally right or wrong.
Example
He acted amorally, ignoring the consequences of his actions.
Il a agi amoralement, ignorant les conséquences de ses actions.
B1 noun /juːˈten.səlz/

Utensils

ustensiles
Meaning
tools or implements used for cooking, eating, or serving food
Example
Please wash all the cooking utensils after preparing dinner.
Veuillez laver tous les ustensiles de cuisine après avoir préparé le dîner.
B2 noun /ˈɡuːs.ber.i/

Gooseberry

groseille
Meaning
a small round green or red berry that grows on a thorny bush
Example
Gooseberries are rich in vitamin C and make excellent jams.
Les groseilles sont riches en vitamine C et font d'excellentes confitures.
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 adjective /ʌnˈtɛmpərd/

untempered

non tempéré
Meaning
not moderated or softened; lacking proper balance or control
Example
The untempered anger of the crowd caused chaos.
La colère non tempérée de la foule a provoqué le chaos.
C1 verb /ɪˈmɔːrtəlaɪz/

immortalize

immortaliser
Meaning
to preserve the memory of someone or something forever
Example
The statue was built to immortalize the hero’s sacrifice.
La statue a été construite pour immortaliser le sacrifice du héros.
B2 adjective /ˈsɪk.li/

Sickly

fragile; malade; pâle
Meaning
weak and unhealthy; prone to illness; appearing weak or pale
Example
The sickly child needed extra care and attention.
L'enfant fragile avait besoin de soins et d'attention supplémentaires.
A2 noun /ˈsuːt.keɪs/

suitcase

valise
Meaning
A portable rectangular container for carrying clothes and personal items when traveling
Example
She packed her clothes into a suitcase for the trip.
Elle a mis ses vêtements dans une valise pour le voyage.
B2 noun /məˈtʃʊrəti/

Maturity

maturité
Meaning
The state of being mature; full development physically or emotionally
Example
With age comes wisdom and emotional maturity.
Avec l'âge vient la sagesse et la maturité émotionnelle.
C1 noun /ˈænti ˈeəkræft ɡʌn/

Anti-aircraft-gun

canon antiaérien
Meaning
a weapon designed to attack aircraft from the ground
Example
The anti-aircraft gun was positioned to defend the military base.
Le canon antiaérien a été positionné pour défendre la base militaire.
C1 verb /ˈsɛvər/

sever

couper, rompre des relations
Meaning
to cut off or separate, especially by cutting; to end a connection or relationship
Example
He had to sever ties with the company after the dispute.
Il a dû rompre ses liens avec l'entreprise après le différend.
A2 adjective /əˈmeɪzɪŋ/

amazing

étonnant
Meaning
causing great surprise or wonder; astonishing
Example
The magician performed an amazing trick.
Le magicien a réalisé un tour étonnant.
A1 verb /wɪn/

win

gagner
Meaning
to be successful or victorious in a contest or competition
Example
Our team will win the championship.
Notre équipe gagnera le championnat.
C1 noun ˌmɪt.ɪˈɡeɪ.ʃən

mitigation

atténuation
Meaning
The action of reducing the severity, seriousness, or painfulness of something.
Example
Mitigation of climate change requires collective effort.
L'atténuation du changement climatique nécessite un effort collectif.
B2 noun /ˈmeɪər/

mayor

maire
Meaning
The elected head of a city, town, or municipality.
Example
The mayor announced a new policy to improve public transport.
Le maire a annoncé une nouvelle politique pour améliorer les transports publics.
C1 noun /straɪf/

strife

conflit, lutte
Meaning
angry or violent conflict; struggle or discord
Example
The region has been torn apart by political strife.
La région a été déchirée par des conflits politiques.
A1 verb /riːd/

read

lire
Meaning
to look at written words and understand their meaning
Example
I read books before going to bed.
Je lis des livres avant de me coucher.
A2 noun /klaʊd/

Cloud

nuage
Meaning
a visible mass of condensed water vapour floating in the atmosphere above the ground
Example
Dark clouds gathered before the storm.
Les nuages sombres se sont regroupés avant la tempête.
C2 adjective /pɪˈskætɔːrɪəl/

piscatorial

relatif à la pêche
Meaning
relating to fishing or fishermen
Example
He has a deep knowledge of piscatorial techniques and fish species.
Il a une connaissance approfondie des techniques piscatoires et des espèces de poissons.
A1 noun /ɡɜːrl/

girl

fille
Meaning
a female child or young woman
Example
The girl was playing with her friends in the park.
La fille jouait avec ses amis dans le parc.
C2 noun /ˈkɒɡ.nɪ.zəns/

cognizance

connaissance
Meaning
Awareness, knowledge, or understanding of something; conscious perception.
Example
The judge took cognizance of the new evidence.
Le juge a pris connaissance de la nouvelle preuve.
B1 noun /ˈriː.dʒən/

Region

région; zone; territoire
Meaning
a particular area or part of a country or the world
Example
This region is famous for its wine production.
Cette région est célèbre pour sa production de vin.
B2 noun /stɑːˈveɪ.ʃən/

Starvation

famine
Meaning
suffering or death caused by lack of food; extreme hunger
Example
Many people died of starvation during the famine.
Beaucoup de gens sont morts de famine pendant la famine.
C2 noun /ˈtʃaɪ.nə roʊz/

China-rose

hibiscus
Meaning
a tropical flowering plant with large, showy flowers in various colors
Example
The bright red China-rose flowers decorated the entrance of the house.
Les fleurs rouges vives d'hibiscus décoraient l'entrée de la maison.
C2 verb /ˌæntɪˈsiːd/

antecede

précéder
Meaning
to come before in time or order
Example
A short introduction usually antecedes the main text.
Une courte introduction précède généralement le texte principal.
B2 noun /ˈɜː.dʒən.si/

Urgency

urgence
Meaning
the quality of requiring immediate action or attention; pressing importance
Example
The urgency of the situation required immediate medical attention.
L'urgence de la situation nécessitait une attention médicale immédiate.
C2 adverb /ˈɡeɪmli/

gamely

avec courage
Meaning
in a brave, spirited, or determined manner
Example
She gamely accepted the challenge despite the difficulties.
Elle a accepté courageusement le défi malgré les difficultés.
B2 noun /əˈstɒnɪʃmənt/

astonishment

étonnement
Meaning
Great surprise or amazement.
Example
She looked at the magician with astonishment.
Elle regarda le magicien avec étonnement.
C2 adjective /ˌprɒfɪˈlæktɪk/

prophylactic

prophylactique
Meaning
intended to prevent disease or an unwanted outcome; protective
Example
The doctor prescribed a prophylactic treatment to prevent infection.
Le médecin a prescrit un traitement prophylactique pour prévenir l'infection.
C1 adverb /ˌðɛərˈʌv/

Thereof

de cela
Meaning
of that; from that
Example
The contract and all amendments thereof must be signed.
Le contrat et toutes les modifications de cela doivent être signés.
C1 adjective /ɪnˈveɪsɪv/

invasive

invasif
Meaning
Tending to spread harmfully, intruding aggressively, or encroaching beyond proper boundaries.
Example
The doctor explained that the procedure was minimally invasive.
Le médecin a expliqué que la procédure était peu invasive.
C1 adjective /kweɪnt/

quaint

pittoresque et ancien
Meaning
attractively unusual or old-fashioned
Example
They stayed in a quaint little cottage by the sea.
Ils ont séjourné dans un petit cottage pittoresque près de la mer.
C1 verb /ˈæn.ə.teɪt/

annotate

ajouter des notes ou des commentaires
Meaning
to add notes or comments to a text, diagram, or document for explanation or clarification
Example
The teacher asked the students to annotate the poem with their interpretations.
Le professeur a demandé aux élèves d'annoter le poème avec leurs interprétations.
C2 noun /ˈveɪnɡlɔːri/

vainglory

vanité
Meaning
Excessive vanity or boastfulness about one's achievements.
Example
His speech was filled with vainglory and self-praise.
Son discours était rempli de vanité et d'autopromotion.
C1 noun /ˈbaɪoʊˌsfɪr/

Biosphere

biosphère
Meaning
the regions of the surface and atmosphere of the earth occupied by living organisms
Example
Climate change is affecting the entire biosphere.
Le changement climatique affecte l'ensemble de la biosphère.
C2 noun /ˈhoʊʒəri/

hosiery

chaussettes et vêtements pour les jambes
Meaning
Stockings, socks, and other knitted clothing for the legs and feet.
Example
She bought new hosiery for the winter season.
Elle a acheté de nouveaux bas pour la saison hivernale.
B1 adjective /ɪˈnɔː.məs/

Enormous

énorme; gigantesque; colossal
Meaning
very large in size, quantity, or extent; huge
Example
The elephant was enormous and weighed several tons.
L'éléphant était énorme et pesait plusieurs tonnes.
C2 noun /ˈtoʊ.di/

Toady

lèche-bottes
Meaning
a person who acts obsequiously to gain favor; a sycophant
Example
He was known as a toady who always agreed with the boss.
Il était connu comme un lèche-bottes qui était toujours d'accord avec le patron.
C1 adjective /ˌæntiˈsleɪvəri/

antislavery

antiesclavagiste
Meaning
Opposed to the practice or system of slavery.
Example
The antislavery movement gained momentum in the 19th century.
Le mouvement antiesclavagiste a gagné en importance au XIXe siècle.
C2 noun /ˈæktʃuˌɛri/

actuary

actuaire
Meaning
A professional who analyzes financial risk using mathematics, statistics, and financial theory, especially in insurance and pensions.
Example
The actuary calculated the risk before finalizing the insurance policy.
L'actuaire a calculé le risque avant de finaliser la police d'assurance.
C1 verb /ɪˈlɪsɪt/

elicit

éliciter
Meaning
To draw out a response, answer, or reaction from someone.
Example
The teacher’s question elicited thoughtful answers from the students.
La question du professeur a suscité des réponses réfléchies des élèves.
B2 noun /pledʒ/

Pledge

engagement; promesse; garantie;
Meaning
a solemn promise or undertaking; something given as security for a loan; a commitment or guarantee
Example
He made a pledge to donate money to charity.
Il a fait un engagement de donner de l'argent à la charité.
C1 verb /səbˈstænʃieɪt/

substantiate

substantier
Meaning
To provide evidence to support or prove the truth of something.
Example
The lawyer worked to substantiate the claims with solid evidence.
L'avocat a travaillé pour substancier les affirmations avec des preuves solides.
B2 noun ˌɪn.təˈven.ʃən

intervention

intervention
Meaning
The action or process of intervening; involvement in a situation to improve or help it.
Example
The intervention of the UN was crucial in resolving the conflict.
L'intervention de l'ONU a été cruciale pour résoudre le conflit.
C2 adjective /ˈwɪnsəm/

winsome

charmant
Meaning
pleasant and attractive in a fresh, innocent, or charming way
Example
Her winsome smile instantly put the nervous guests at ease.
Son sourire charmant a immédiatement mis les invités nerveux à l'aise.
C1 adjective /ˈsɔːrdɪd/

sordid

sordide
Meaning
involving immoral or dishonorable actions; dirty or unpleasant
Example
The newspaper exposed the politician's sordid past.
Le journal a exposé le passé sordide du politicien.
B2 adverb /əˈfɪʃəli/

officially

officiellement
Meaning
in a formal or authorized way
Example
The building was officially opened by the mayor.
Le bâtiment a été officiellement inauguré par le maire.
B2 noun ˈtɒksɪk ˈɡæsɪz

toxic gases

gaz toxiques
Meaning
Poisonous or harmful gases that can cause illness or death
Example
Toxic gases from industries contribute to air pollution.
Les gaz toxiques des industries contribuent à la pollution de l'air.