fumble
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C1 verb /ˈfʌmbəl/

fumble

brouiller
Meaning
to handle something clumsily or to make mistakes while doing something
Example
He fumbled with the keys and dropped them on the floor.
Il a trébuché avec les clés et les a laissées tomber par terre.
C1 noun /ˈfɛləni/

felony

crime grave
Meaning
a serious crime, usually punishable by imprisonment for more than one year
Example
He was convicted of a felony and sentenced to ten years in prison.
Il a été reconnu coupable d'un crime grave et condamné à dix ans de prison.
C1 noun /ˈfɔː.nə/

fauna

la vie animale d'une région particulière
Meaning
The animal life of a particular region, habitat, or geological period.
Example
The fauna of the African savannah includes lions and elephants.
La faune de la savane africaine comprend des lions et des éléphants.
C1 verb/noun ˈfæð.əm

fathom

comprendre
Meaning
To understand after much thought; to measure the depth of water; to comprehend.
Example
It is difficult to fathom the depths of the ocean.
Il est difficile de comprendre les profondeurs de l'océan.
C1 noun /ˈfreɪlti/

frailty

fragilité
Meaning
The condition of being weak, delicate, or easily broken.
Example
Old age often comes with physical frailty.
La vieillesse vient souvent avec une fragilité physique.
C1 noun /fjuːd/

feud

querelle, inimitié
Meaning
a prolonged and bitter quarrel or conflict, often between families or groups
Example
The two families have been in a feud for generations.
Les deux familles sont en conflit depuis des générations.
C1 noun /ˌfɪɡjʊˈriːn/

figurine

figurine décorative
Meaning
a small ornamental statue or model of a human or animal
Example
She bought a porcelain figurine of a dancing ballerina.
Elle a acheté une figurine en porcelaine d'une ballerine dansante.
C1 noun /frɪndʒ/

fringe

bordure décorative / marge
Meaning
A decorative border of threads; the outer edge or margin of something.
Example
The festival had a fringe of small independent performances.
Le festival avait une marge de petites performances indépendantes.
C1 noun /ˈfoʊ.kəs ˈtræk.ɪŋ/

focus tracking

suivi de la concentration
Meaning
A technique of monitoring and maintaining attention on specific tasks or goals.
Example
Proper focus tracking improves productivity.
Un bon suivi de la concentration améliore la productivité.
C1 noun /ˈfjuː.tʃə.rɪst/

futurist

futuriste
Meaning
A person who studies or predicts the future, especially trends in science, technology, or society.
Example
The futurist predicted major changes in transportation within the next decade.
Le futuriste a prédit d'importants changements dans les transports au cours de la prochaine décennie.
C1 noun /ˈfɛtɪʃ/

fetish

dévotion excessive ou irrationnelle
Meaning
an excessive or irrational devotion to something
Example
He has a fetish for collecting rare stamps.
Il a un fétiche pour collectionner des timbres rares.
C1 noun, verb /ˈfɛrɪt/

ferret

furet, chercher ou découvrir quelque chose de manière persistante
Meaning
a small domesticated animal used for hunting; to search or uncover something persistently
Example
He ferreted out the hidden documents.
Il a découvert les documents cachés.
C1 adverb /ˈfeɪ.təl.i/

Fatally

fatalement
Meaning
in a way that causes death; with deadly consequences; critically
Example
The accident fatally injured two passengers.
L'accident a blessé deux passagers de manière fatale.
C1 adjective /ˈfeɪl.seɪf/

fail-safe

antifaille
Meaning
designed to prevent failure or accidents; guaranteed to work correctly
Example
The engineers installed a fail-safe mechanism in the nuclear plant.
Les ingénieurs ont installé un mécanisme antifaille dans la centrale nucléaire.
C1 noun /fəˈsɑːd/

facade

façade
Meaning
The front of a building; a false or superficial appearance
Example
The building's glass facade reflected the sunset.
La façade en verre du bâtiment reflétait le coucher du soleil.
C1 noun /ˈfjuː.dʒə.tɪv/

Fugitive

fugitif
Meaning
a person who has escaped from a place or is in hiding, especially to avoid arrest
Example
The police launched a manhunt to capture the fugitive who escaped from prison.
La police a lancé une chasse à l'homme pour capturer le fugitif qui s'était échappé de la prison.
C1 noun /ˈfeɪvərɪtɪzəm/

favoritism

favoritisme
Meaning
the practice of giving unfair preferential treatment to one person or group
Example
The manager was accused of favoritism towards certain employees.
Le responsable a été accusé de favoritisme envers certains employés.
C1 noun /flʌks/

flux

flux
Meaning
continuous change or movement; the rate of flow of something
Example
The company was in a state of constant flux during the reorganization.
L'entreprise était dans un état de flux constant pendant la réorganisation.
C1 adverb /ˈfɜː.vənt.li/

Fervently

avec ferveur; ardemment;
Meaning
with passionate intensity; ardently; with great emotion or enthusiasm
Example
She fervently hoped that her dreams would come true.
Elle espérait ardemment que ses rêves se réaliseraient.
C1 adjective /ˌfɑːrˈfɛtʃt/

far-fetched

farfelu
Meaning
unlikely to happen or be true; improbable
Example
His explanation for being late was a bit far-fetched.
Son explication pour être en retard était un peu farfelue.
C1 verb /fɔːrˈʃædoʊ/

foreshadow

présager
Meaning
To indicate or suggest something that will happen in the future
Example
Dark clouds foreshadowed an approaching storm.
Les nuages sombres ont présagé une tempête imminente.
C1 verb /ˈfɪdʒɪt/

fidget

se tortiller, être agité
Meaning
to make small movements, especially because of nervousness or impatience
Example
The child began to fidget during the long lecture.
L'enfant a commencé à bouger pendant la longue conférence.
C1 noun /ˈfɔːls.hʊd/

Falsehood

fausseté; mensonge
Meaning
the state of being untrue; a lie
Example
The politician was caught spreading falsehoods about his opponent.
Le politicien a été pris en train de répandre des faussetés à propos de son adversaire.
C1 adjective /ˌfʊl ˈbɒd.id/

full-bodied

à saveur intense
Meaning
Having a strong, rich, and robust quality, especially of wine, coffee, or voice.
Example
He prefers a full-bodied red wine with his dinner.
Il préfère un vin rouge à saveur intense avec son dîner.
C1 noun /ˈfɔːrˌbɛər/

forebear

ancêtre
Meaning
An ancestor, especially one who lived a long time ago.
Example
He often speaks of his forebears with great respect.
Il parle souvent de ses ancêtres avec beaucoup de respect.
C1 noun /ˈfæm.ɪn/

Famine

famine
Meaning
extreme scarcity of food; a period when food is extremely scarce
Example
The severe drought led to widespread famine in the region.
La grave sécheresse a provoqué une famine généralisée dans la région.
C1 noun /ˈfjuː.də.lɪ.zəm/

feudalism

féodalisme
Meaning
the social system in medieval Europe in which people worked and fought for nobles who gave them protection and land in return
Example
Feudalism shaped the political structure of medieval Europe.
Le féodalisme a façonné la structure politique de l'Europe médiévale.
C1 noun /ˈfɔːrmən/

foreman

personne en charge d'un groupe de travailleurs, en particulier dans une usine ou sur un chantier
Meaning
a person in charge of a group of workers, especially in a factory or construction site
Example
The foreman supervised the workers on the construction site.
Le chef de chantier a supervisé les ouvriers sur le site de construction.
C1 noun /faɪˈnælɪti/

finality

finalité
Meaning
the quality of being final or irreversible; a sense of conclusiveness
Example
The judge's decision gave the case a sense of finality.
La décision du juge a donné au cas un sentiment de finalité.
C1 verb, noun /ˈflʌstər/

fluster

embrouiller
Meaning
to make someone agitated or confused
Example
The unexpected question flustered him.
La question inattendue l'a embrouillé.
C1 noun /fɪˈnænʃɪər/

financier

financier
Meaning
a person who manages large amounts of money or investments
Example
The financier advised the company on its investments.
Le financier a conseillé l'entreprise sur ses investissements.
C1 noun ˌfiː.zəˈbɪl.ə.ti

feasibility

faisabilité
Meaning
The state or degree of being easily or conveniently done; possibility.
Example
The company conducted a feasibility study before launching the project.
L'entreprise a mené une étude de faisabilité avant de lancer le projet.
C1 adjective /ˈfiːzəbl/

feasible

réalisable
Meaning
possible to do easily or conveniently; practical and workable
Example
It is feasible to complete the project within two months.
Il est réalisable de terminer le projet en deux mois.
C1 adjective /ˈfɪk.əl/

Fickle

changeant; instable; capricieux;
Meaning
changeable; inconstant; liable to sudden unpredictable change
Example
His fickle nature made it hard to trust his promises.
Sa nature changeante a rendu difficile la confiance dans ses promesses.
C1 noun /fɪˈnɑːleɪ/

finale

final
Meaning
the last part or conclusion of a performance, event, or series
Example
The concert ended with a spectacular finale.
Le concert s'est terminé par un final spectaculaire.
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.
C1 noun /fɪˈdɛl.ɪ.ti/

fidelity

fidélité
Meaning
Faithfulness to a person, cause, or belief, demonstrated by continuing loyalty and support.
Example
A dog's fidelity to its owner is unmatched.
La fidélité d'un chien envers son maître est incomparable.
C1 adjective /ˈfaɪ.naɪt/

Finite

limité; ayant des limites
Meaning
limited; having bounds or limits; not infinite
Example
Earth has finite natural resources.
La Terre dispose de ressources naturelles limitées.
C1 verb /ˈflɪk.ər/

flicker

clignoter
Meaning
to shine unsteadily or waver between light and dark
Example
The candle flickered in the wind.
La bougie clignotait dans le vent.
C1 noun /ˈflæn.əl/

Flannel

flanelle
Meaning
a soft woven fabric, typically made of wool or cotton and slightly milled and raised
Example
He wore a warm flannel shirt in winter.
Il portait une chemise en flanelle chaude en hiver.
C1 verb /fɔːrˈɡoʊ/

forgo

renoncer
Meaning
to decide not to do or have something
Example
She decided to forgo dessert to maintain her diet.
Elle a décidé de renoncer au dessert pour maintenir son régime.
C1 noun /ˈfiːtəs/

fetus

fœtus
Meaning
an unborn or unhatched offspring in the womb or egg
Example
The doctor explained the development of the fetus during pregnancy.
Le médecin a expliqué le développement du fœtus pendant la grossesse.
C1 noun /ˈfaɪər.wɔːl/

firewall

pare-feu
Meaning
A network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
Example
A firewall protects networks from cyber-attacks.
Un pare-feu protège les réseaux des cyberattaques.
C1 noun /ˈfoʊliɪdʒ/

foliage

feuillage
Meaning
The leaves of a plant, collectively.
Example
The autumn foliage looked stunning in the park.
Le feuillage d'automne était impressionnant dans le parc.
C1 noun ˈfæl.ə.si

fallacy

fallacie, erreur, raisonnement incorrect
Meaning
False belief, misconception, false reasoning.
Example
The idea that success comes easy is a fallacy.
L'idée que le succès vient facilement est une fallacie.
C1 adjective /flæmˈbɔɪənt/

flamboyant

flamboyant, coloré ou confiant
Meaning
showy, strikingly bold or colorful; confident and lively
Example
His flamboyant style drew everyone's attention at the party.
Son style flamboyant a attiré l'attention de tout le monde à la fête.
C1 verb /ˈfɔːrtɪˌfaɪ/

fortify

fortifier
Meaning
To strengthen a place, person, or thing physically or mentally.
Example
They fortified the city walls to protect against invasion.
Ils ont fortifié les murs de la ville pour se protéger contre l'invasion.
C1 verb /fɔːrˈɡoʊ/

forego

renoncer
Meaning
to decide not to do or have something pleasant or valuable
Example
She decided to forego dessert to maintain her diet.
Elle a décidé de renoncer au dessert pour maintenir son régime.
C1 noun /fɔːrˈmæl.ə.ti/

Formality

formalités
Meaning
the rigid observance of rules of convention or etiquette; a thing done simply to comply with requirements
Example
The signing of the contract was just a formality; the deal was already agreed upon.
La signature du contrat n'était qu'une formalité; l'accord était déjà conclu.
C1 noun /fɪlθ/

filth

saleté
Meaning
dirty or disgusting matter; moral corruption
Example
The streets were full of filth after the storm.
Les rues étaient pleines de saleté après la tempête.
C1 adjective /ˈfɪs.kəl/

fiscal

fiscal
Meaning
Relating to government revenue, especially taxes, or public money management.
Example
The government introduced new fiscal policies to control inflation.
Le gouvernement a introduit de nouvelles politiques fiscales pour contrôler l'inflation.
C1 verb /ˈfɛdərət/

federate

fédérer
Meaning
to unite in a league or federation; to form an alliance
Example
Several states federated to create a stronger union.
Plusieurs États se sont fédérés pour créer une union plus forte.
C1 adjective /ˈfiːbl/

feeble

faible, fragile
Meaning
lacking physical strength or vigor; weak
Example
After the illness, she felt too feeble to stand.
Après la maladie, elle se sentait trop faible pour se lever.
C1 noun /fəˌsɪlɪˈteɪʃən/

facilitation

facilitation
Meaning
The action of facilitating or making an action or process easier or helping bring about an outcome.
Example
Her facilitation made the meeting run smoothly.
Sa facilitation a permis à la réunion de se dérouler sans heurts.
C1 noun ˌfræɡ.mənˈteɪ.ʃən

fragmentation

fragmentation
Meaning
The process or state of breaking or being broken into fragments.
Example
Habitat fragmentation threatens many species.
La fragmentation de l'habitat menace de nombreuses espèces.
C1 verb /flɪntʃ/

flinch

reculer
Meaning
to suddenly move back or away due to fear or pain
Example
He didn’t flinch when the doctor gave him the injection.
Il n'a pas bronché lorsque le docteur lui a donné l'injection.
C1 verb ˈflʌk.tʃu.eɪt

fluctuate

fluctuer
Meaning
To regularly increase or decrease.
Example
Stock prices fluctuate due to market conditions.
Les prix des actions fluctuent en raison des conditions du marché.
C1 noun /fruˈɪʃən/

fruition

réalisation
Meaning
The realization or fulfillment of a plan, project, or desire.
Example
Her dream of becoming a doctor finally came to fruition.
Son rêve de devenir médecin s'est enfin réalisé.
C1 adjective /ˈfaɪə.ri/

Fiery

enflammé; passionné; irritable
Meaning
burning; passionate; hot-tempered; showing strong emotion
Example
She has a fiery temper that flares up quickly.
Elle a un tempérament enflammé qui s'emporte rapidement.
C1 adjective /ˈfɛrəl/

feral

sauvage
Meaning
existing in a wild or untamed state; not domesticated
Example
The feral cat roamed the streets at night.
Le chat sauvage errait dans les rues la nuit.
C1 verb /flɑp/

flop

échec
Meaning
to fall or move heavily and clumsily; to fail completely
Example
The new movie flopped at the box office.
Le nouveau film a échoué au box-office.
C1 adjective /ˈflæɡɪŋ/

flagging

faiblir, se fatiguer ou perdre de l'enthousiasme
Meaning
becoming tired, weaker, or less enthusiastic
Example
After hours of work, his energy was flagging.
Après des heures de travail, son énergie était en baisse.
C1 noun /fiˈæs.koʊ/

fiasco

échec total
Meaning
a complete failure, especially a ludicrous or humiliating one
Example
The event turned into a complete fiasco due to poor planning.
L'événement est devenu un échec total à cause d'une mauvaise planification.
C1 adjective /ˈflæʃi/

flashy

voyant, ostentatoire
Meaning
ostentatious or showy in a way that attracts attention
Example
He drove a flashy sports car through the city streets.
Il a conduit une voiture de sport voyante dans les rues de la ville.
C1 noun /ˈfoʊk.lɔːr/

folk-lore

folklore
Meaning
The traditional beliefs, customs, stories, songs, and practices of a community, passed down through generations.
Example
Bangladeshi folk-lore is rich with myths and legends.
Le folklore français est riche en contes et légendes.
C1 noun /ˈfɔːrdʒər/

forger

falsificateur
Meaning
a person who makes fake documents, artworks, or signatures
Example
The police arrested a forger who had been selling counterfeit paintings.
La police a arrêté un falsificateur qui vendait des peintures contrefaites.
C1 noun flɛər

flair

talent naturel
Meaning
A natural ability to do something well.
Example
She has a flair for design, always creating visually stunning work.
Elle a un flair pour le design, créant toujours un travail visuellement impressionnant.
C1 noun /ˈfɪʃ.ər/

fissure

fissure
Meaning
a long, narrow opening or crack in a surface or object
Example
The earthquake caused a deep fissure in the road.
Le tremblement de terre a provoqué une fissure profonde dans la route.
C1 adjective /ˈfræɡməntɪd/

fragmented

fragmenté, divisé, incomplet
Meaning
Having been broken into fragments; disjointed or incomplete.
Example
The information was fragmented and difficult to understand.
L'information était fragmentée et difficile à comprendre.
C1 noun /fɪˈnɛs/

finesse

subtilité, habileté, raffinement
Meaning
Subtlety and skill; refinement and delicacy in performance or artistry.
Example
The artist painted with great finesse.
L'artiste a peint avec une grande finesse.
C1 noun ˈflɔː.rə ænd ˈfɔː.nə

flora and fauna

flore et faune
Meaning
The plants and animals of a particular region, habitat, or geological period.
Example
The Galápagos Islands have unique flora and fauna.
Les îles Galápagos ont une flore et faune uniques.
C1 verb /fɔːrˈseɪk/

forsake

abandonner
Meaning
to abandon or give up something or someone
Example
He decided not to forsake his old friends despite his success.
Il a décidé de ne pas abandonner ses vieux amis malgré son succès.
C1 noun /ˈfɔːrˌrʌnər/

forerunner

précurseur
Meaning
A person or thing that comes before another; a predecessor or harbinger.
Example
The Wright brothers were the forerunners of modern aviation.
Les frères Wright étaient les précurseurs de l'aviation moderne.
C1 noun /fiːt/

feat

exploit
Meaning
an achievement that requires great courage, skill, or strength
Example
Climbing Mount Everest was a remarkable feat.
Gravir le mont Everest fut un exploit remarquable.
C1 noun /ˈfɔːr.teɪ/ or /fɔːrt/

forte

talent
Meaning
a strong ability or talent; something one does particularly well
Example
Cooking is definitely her forte.
La cuisine est définitivement son talent.
C1 noun /ˈfræk.tʃər/

Fracture

fracture; cassure d'os
Meaning
the cracking or breaking of a hard object or material; a break in a bone
Example
The doctor confirmed that he had a hairline fracture in his wrist.
Le docteur a confirmé qu'il avait une fracture du poignet.
C1 adjective /ˈflʌstərd/

flustered

troublé
Meaning
in a state of confusion or agitation
Example
She appeared flustered after being asked so many questions.
Elle semblait troublée après avoir reçu tant de questions.
C1 noun /ˈfɔːrɡraʊnd/

foreground

premier plan
Meaning
the part of a scene that is nearest to and in front of the viewer
Example
The flowers in the foreground brightened the picture.
Les fleurs au premier plan ont illuminé l'image.
C1 noun/adjective ˈflɛdʒ.lɪŋ

fledgling

novice, inexpérimenté, nouvellement établi
Meaning
New, inexperienced, newly established.
Example
The fledgling startup needs investment.
La startup novice a besoin d'investissement.
C1 noun (plural of fungus) /ˈfʌndʒaɪ/

fungi

champignon
Meaning
a group of spore-producing organisms such as mushrooms, molds, and yeasts
Example
Fungi play an important role in breaking down organic matter in nature.
Les champignons jouent un rôle important dans la dégradation de la matière organique dans la nature.
C1 adjective /ˈfrɛn.zid/

frenzied

frenétique
Meaning
Wildly excited or uncontrolled
Example
The frenzied crowd cheered as the band took the stage.
La foule frénétique a acclamé lorsque le groupe monta sur scène.
C1 verb /flɔːnt/

flaunt

fanfaronner
Meaning
to show off something proudly, often to attract attention
Example
She likes to flaunt her new jewelry at parties.
Elle aime fanfaronner ses nouveaux bijoux lors des soirées.
C1 noun ˌfɜːr.tɪ.laɪˈzeɪ.ʃən

fertilization

fertilisation
Meaning
The process of adding nutrients to soil to increase crop productivity.
Example
Organic fertilization enhances soil health.
La fertilisation organique améliore la santé du sol.
C1 noun /ˈfɔːrsəm/

foursome

quatuor
Meaning
a group of four people or things, especially in games or social activities
Example
The foursome enjoyed a game of golf together.
Le quatuor a apprécié une partie de golf ensemble.
C1 adjective, adverb (informal, vulgar) /ˈfʌkɪŋ/

fucking

putain (mot vulgaire pour l'emphase)
Meaning
used for emphasis, often expressing anger or frustration (vulgar slang)
Example
It was a fucking disaster!
C'était un putain de désastre!
C1 verb /fɔːrˈkloʊz/

foreclose

saisir
Meaning
to take possession of a property due to the owner's failure to keep up mortgage payments
Example
The bank decided to foreclose on the property after months of missed payments.
La banque a décidé de saisir la propriété après plusieurs mois de paiements manqués.
C1 noun ˈfɔː.saɪt

foresight

prévision
Meaning
The ability to predict or the action of predicting what will happen or be needed in the future.
Example
His foresight helped the company avoid financial losses.
Sa prévision a aidé l'entreprise à éviter des pertes financières.
C1 noun fɔːlt ˈtɒl.ər.əns

fault-tolerance

tolérance aux pannes
Meaning
The ability of a system to continue operating properly in the event of the failure of some of its components.
Example
Fault-tolerance ensures dependable systems.
La tolérance aux pannes assure des systèmes fiables.
C1 noun /frɪˈvɒləti/

frivolity

frivolité
Meaning
Lack of seriousness; silly or trivial behavior.
Example
The teacher discouraged frivolity during the exam.
Le professeur a découragé la frivolité pendant l'examen.
C1 noun /ˈfɔːrˌbɛərz/

forebears

ancêtres
Meaning
Ancestors or people in previous generations from whom one is descended.
Example
We must honor the traditions of our forebears.
Nous devons honorer les traditions de nos ancêtres.
C1 noun /ˈfɔːr.tɪ.tjuːd/

fortitude

fortitude
Meaning
Courage in pain or adversity; mental and emotional strength in facing difficulty.
Example
She faced adversity with great fortitude.
Elle a affronté les adversités avec une grande force de caractère.
C1 verb /ˈflʌtər/

flutter

battre des ailes / trembler
Meaning
to move or flap quickly and lightly; to beat or wave with small rapid motions
Example
The butterfly began to flutter its wings in the sunlight.
Le papillon a commencé à battre des ailes sous le soleil.
C1 adjective /ˈfjuː.dəl/

feudal

féodal
Meaning
relating to the system of feudalism, a medieval social system based on land ownership and obligations
Example
The castle is a remnant of the feudal era.
Le château est un vestige de l'époque féodale.
C1 adjective /ˈfrɔːdjʊlənt/

fraudulent

frauduleux
Meaning
Involving or using deceit, especially criminal deception.
Example
He was arrested for making fraudulent insurance claims.
Il a été arrêté pour avoir fait des demandes frauduleuses d'assurance.
C1 adjective /ˈfleɪɡrənt/

flagrant

flagrant et clairement erroné
Meaning
shockingly noticeable or evident; glaringly wrong
Example
It was a flagrant violation of the rules.
C'était une violation évidente des règles.
C1 noun /ˈfʊtˌnoʊt/

foot-note

note de bas de page
Meaning
A note of reference, explanation, or comment placed at the bottom of a page.
Example
The author included a foot-note to explain the historical context.
L'auteur a inclus une note de bas de page pour expliquer le contexte historique.
C1 adjective /frəˈnɛtɪk/

frenetic

frenétique
Meaning
Fast and energetic in a wild or uncontrolled way.
Example
The stock market experienced frenetic trading after the announcement.
Le marché boursier a connu des transactions frénétiques après l'annonce.
C1 adjective /ˈfliː.tɪŋ/

fleeting

éphémère
Meaning
Lasting for a very short time; passing quickly.
Example
Happiness can be fleeting, so cherish every moment.
Le bonheur peut être éphémère, alors chérissez chaque moment.
C1 noun /ˈfænsiər/

fancier

amateur
Meaning
a person who has a special interest in a particular thing or activity, especially animals or hobbies
Example
He is a fancier of rare birds.
Il est un amateur d'oiseaux rares.
C1 noun /ˈfæs.ɪt/

facet

facette, aspect, partie
Meaning
One of the many aspects or features of something; a particular part or element of something.
Example
Every facet of the project was carefully analyzed.
Chaque facette du projet a été soigneusement analysée.
C1 adjective /ˈfænsiːd/

fancied

imaginé, désiré
Meaning
imagined, desired, or believed without evidence
Example
He is a fancied suitor in the eyes of the young lady.
Il est un prétendant imaginé aux yeux de la jeune fille.
C1 verb /fret/

fret

s'inquiéter
Meaning
to worry or be anxious; to be troubled
Example
Don't fret about the exam results.
Ne t'inquiète pas pour les résultats de l'examen.
C1 adjective /ˈfɔːrmətɪv/

formative

formateur
Meaning
Having a lasting influence on a person's development or character.
Example
Childhood is often described as a formative stage in life.
L'enfance est souvent décrite comme une étape formatrice dans la vie.
C1 noun /ˌfɜːrmənˈteɪʃən/

fermentation

fermentation, changement chimique par levures ou bactéries
Meaning
a chemical process by which substances like sugar are converted into alcohol or acids using microorganisms
Example
The fermentation of grapes produces wine.
La fermentation des raisins produit du vin.
C1 adjective /frəˈtɜːrnəl/

fraternal

fraternel
Meaning
Relating to brothers or brotherhood; friendly and supportive.
Example
The two nations maintain a fraternal relationship.
Les deux nations maintiennent une relation fraternelle.
C1 noun /fæd/

fad

mode passagère, tendance
Meaning
a temporary fashion or trend; a short-lived craze
Example
The new diet became a popular fad among teenagers.
Le nouveau régime est devenu une mode passagère chez les adolescents.
C1 noun /ˈfren.zi/

Frenzy

frénésie
Meaning
a state or period of uncontrolled excitement or wild behavior; intense activity
Example
The announcement of the sale created a shopping frenzy at the mall.
L'annonce de la vente a créé une frénésie de shopping au centre commercial.
C1 verb /feɪn/

feign

feindre, simuler
Meaning
to pretend or fake; to give a false appearance of
Example
She feigned illness to avoid going to work.
Elle a feint d'être malade pour éviter d'aller au travail.
C1 adjective /ˈfruː.ɡəl/

Frugal

économe; parcimonieux
Meaning
economical; thrifty;
Example
She is very frugal and saves money by buying only necessary items.
Elle est très économe et économise de l'argent en achetant uniquement les articles nécessaires.
C1 adjective/noun /fəˈrɛns.ɪk/

forensic

Analyse scientifique appliquée aux affaires criminelles ou juridiques
Meaning
Scientific analysis applied to criminal or legal matters
Example
Forensic experts analyze cybercrimes using advanced tools.
Les experts médico-légaux analysent les cybercrimes en utilisant des outils avancés.
C1 noun /ˈfʌŋɡəs/

fungus

champignon
Meaning
a spore-producing organism feeding on organic matter, including molds, yeast, and mushrooms
Example
A strange fungus was growing on the old tree.
Un étrange champignon poussait sur l'arbre ancien.
C1 noun /ˈfjʊərɔːr/

furor

tumulte
Meaning
An outbreak of public anger or excitement.
Example
The politician's remarks created a furor in the media.
Les remarques du politicien ont créé un furor dans les médias.
C1 adjective /ˈflɪmzi/

flimsy

fragile
Meaning
weak, fragile, or lacking in strength; not convincing
Example
The chair was too flimsy to support his weight.
La chaise était trop fragile pour supporter son poids.
C1 noun /fruːˈɡæl.ə.ti/

frugality

frugalité
Meaning
The quality of being economical in use or expenditure; not wasteful.
Example
Frugality is essential for saving money effectively.
La frugalité est essentielle pour économiser de l'argent efficacement.
C1 adjective /fərˈlɔːrn/

forlorn

désespéré, triste
Meaning
extremely sad, lonely, or abandoned
Example
The abandoned puppy looked so forlorn in the rain.
Le chiot abandonné avait l'air si triste sous la pluie.
C1 verb /flaʊt/

flout

mépriser
Meaning
To openly disregard or show contempt for a rule or law.
Example
The company was fined for flouting environmental regulations.
L'entreprise a été condamnée à une amende pour avoir enfreint les réglementations environnementales.
C1 noun /ˌfæb.rɪˈkeɪ.ʃən/

fabrication

invention fausse
Meaning
The invention of false or misleading information; a lie or falsehood.
Example
The article was full of fabrication and misleading claims.
L'article était plein d'inventions fausses et de réclamations trompeuses.
C1 adjective /fəˈnætɪkəl/

fanatical

fanatique
Meaning
showing extreme enthusiasm or obsession
Example
She has a fanatical interest in collecting vintage stamps.
Elle a un intérêt fanatique pour la collection de timbres anciens.
C1 noun /foʊ/

foe

ennemi
Meaning
an enemy or opponent
Example
The knight fought bravely against his foe.
Le chevalier a combattu courageusement contre son ennemi.
C1 noun/verb ˈfɒr.ɪdʒ

forage

fourrage, chercher de la nourriture
Meaning
Food for horses and cattle, especially dried hay or feed; to search for food.
Example
Animals forage for food during the winter months.
Les animaux cherchent leur nourriture pendant les mois d'hiver.
C1 noun /ˈfɪʃˌmʌŋ.ɡər/

fishmonger

poissonnier
Meaning
a person or store that sells fish
Example
I bought fresh salmon from the local fishmonger.
J'ai acheté du saumon frais chez le poissonnier local.