flashy
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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 /ˈfrek.əl/

Freckle

tache de rousseur
Meaning
a small brownish spot on the skin, often becoming more pronounced through exposure to the sun
Example
Her face was covered with cute freckles that appeared every summer.
Son visage était couvert de jolies taches de rousseur qui apparaissaient chaque été.
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 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 adjective fæsˈtɪd.i.əs

fastidious

méticuleux
Meaning
Very attentive to and concerned about accuracy and detail.
Example
She is fastidious about maintaining cleanliness.
Elle est méticuleuse en ce qui concerne le maintien de la propreté.
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 /fɔːn/

Fawn

faon
Meaning
a young deer; a light yellowish-brown color
Example
The mother deer protects her fawn from predators.
La mère cerf protège son faon des prédateurs.
C1 noun ˌflʌk.tʃuˈeɪ.ʃən

fluctuation

fluctuation
Meaning
An irregular rising and falling in number or amount; a variation.
Example
The stock market experiences frequent fluctuation.
Le marché boursier connaît des fluctuations fréquentes.
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 /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 /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 /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 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 adjective ˈflʌd proʊn

flood-prone

sujette aux inondations
Meaning
Susceptible to flooding; likely to experience floods frequently.
Example
Bangladesh is a flood-prone deltaic nation.
Le Bangladesh est une nation deltaïque sujette aux inondations.
C1 adverb /ˈfɪksɪdli/

Fixedly

fixement
Meaning
in a steady, unmoving manner; with intense concentration
Example
He stared fixedly at the painting.
Il regardait fixement la peinture.
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 /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 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 adjective /ˈfiːlaɪn/

feline

lié aux chats
Meaning
relating to or characteristic of cats
Example
Her movements were graceful and almost feline in their elegance.
Ses mouvements étaient gracieux et presque félins dans leur élégance.
C1 adjective /ˈflaʊəri/

flowery

fleuri / orné
Meaning
Full of flowers or overly elaborate in style or language.
Example
She wrote a flowery letter filled with poetic phrases.
Elle a écrit une lettre fleurie remplie de phrases poétiques.
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 /ˈfɪɡərətɪv/

figurative

figuré
Meaning
not literal; using figures of speech or symbolic representation
Example
She used figurative language to describe her feelings.
Elle a utilisé un langage figuré pour décrire ses sentiments.
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.
C1 noun /frəˈdʒɪl.ɪ.ti/

fragility

fragilité
Meaning
The quality of being fragile; delicateness.
Example
The cornea's fragility increases with rubbing.
La fragilité de la cornée augmente avec le frottement.
C1 noun, verb /fɔːrd/

ford

gué
Meaning
A shallow place in a river where one can cross; to cross a river at such a place.
Example
The travelers decided to ford the river at dawn.
Les voyageurs ont décidé de traverser la rivière par un gué à l'aube.
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 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 noun/verb /freɪ/

fray

dispute, s'effilocher
Meaning
As a noun, a fight or heated dispute; as a verb, to unravel or wear out through friction.
Example
He tried to stay calm, but his nerves began to fray during the argument.
Il a essayé de rester calme, mais ses nerfs ont commencé à s'effilocher pendant la dispute.
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 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 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 /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 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 /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 adjective /ˈfuːlpruːf/

foolproof

infaillible
Meaning
Designed to be very easy to use or understand, leaving no possibility of failure or error.
Example
The new software has a foolproof installation process.
Le nouveau logiciel a un processus d'installation infaillible.
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 /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 /fɪkˈseɪ.ʃən/

fixation

fixation ou intérêt obsessionnel pour quelque chose ou quelqu'un
Meaning
An obsessive interest in or feeling about someone or something.
Example
His fixation on perfectionism delayed project completion.
Sa fixation sur le perfectionnisme a retardé l'achèvement du projet.
C1 noun, verb /ˈfrænʧaɪz/

franchise

franchise
Meaning
A legal right to sell or distribute goods or services in a specific area; to grant such a right.
Example
He opened a new fast-food franchise in the city.
Il a ouvert une nouvelle franchise de restauration rapide dans la ville.
C1 adjective /ˈfæn.sɪ.fəl/

fanciful

fantaisiste, irréaliste
Meaning
overimaginative, unrealistic, or whimsical
Example
The story was too fanciful to be true.
L'histoire était trop fantaisiste pour être vraie.
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 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/verb /fliːs/

fleece

la laine de mouton
Meaning
The woolly covering of a sheep; as a verb, to swindle or cheat someone.
Example
The farmer sheared the sheep’s fleece carefully.
Le fermier a soigneusement tondu la laine de la brebis.
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 /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 adjective /ˈfeɪt.fəl/

fateful

décisif ou fatal
Meaning
having significant or disastrous consequences
Example
Their fateful decision changed the course of history.
Leur décision décisive a changé le cours de l'histoire.
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 adjective /ˈfɔːrθˌraɪt/

forthright

direct
Meaning
Direct and honest in speech or behavior; straightforward.
Example
She was forthright in her criticism of the policy.
Elle a été directe dans sa critique de la politique.
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 /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 /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 /ˈfen.jʊ.griːk/

Fenugreek

fenugrec
Meaning
an herb whose seeds and leaves are used as a spice in cooking
Example
Fenugreek seeds have a slightly bitter taste and are commonly used in Indian cuisine.
Les graines de fenugrec ont un goût légèrement amer et sont couramment utilisées dans la cuisine indienne.
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 /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 noun /fəˈnætɪsɪzəm/

fanaticism

fanatisme
Meaning
the quality of being fanatical; extreme zeal or obsession
Example
Religious fanaticism can lead to intolerance and conflict.
Le fanatisme religieux peut mener à l'intolérance et au conflit.
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 noun /ˈfɔːrˌθɔːt/

forethought

prévoyance
Meaning
careful consideration of what will be necessary or may happen in the future
Example
With a little forethought, we could have avoided the problem.
Avec un peu de prévoyance, nous aurions pu éviter le problème.
C1 adjective ˈfjuː.taɪl

futile

futile
Meaning
Incapable of producing any useful result; pointless.
Example
His attempts to change the situation were futile.
Ses tentatives de changer la situation étaient futiles.
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 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 /ˈfrɪvələs/

frivolous

frivole
Meaning
Not having any serious purpose or value; silly or unimportant.
Example
She dismissed the frivolous complaint quickly.
Elle a rapidement rejeté la plainte frivole.
C1 noun /ˈflɔː.rə/

flora

la vie végétale trouvée dans une région ou un habitat particulier
Meaning
The plant life found in a particular region or habitat.
Example
The Amazon rainforest is home to a vast flora diversity.
La forêt amazonienne abrite une grande diversité de flore.
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 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 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 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 /flæt fɪʃ/

Flat fish

poisson plat
Meaning
a type of fish with a flattened body that lives on the sea floor
Example
Flat fish like sole and flounder are excellent for grilling.
Les poissons plats comme la sole et la limande sont excellents pour le grill.
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 /ˈfɛlən/

felon

criminel
Meaning
a person who has committed a serious crime
Example
The felon was sentenced to ten years in prison.
Le criminel a été condamné à dix ans de prison.
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 verb /ˈfɜːrmɛnt/

ferment

subir un processus chimique où les sucres sont transformés en alcool ou en acide; inciter ou provoquer un changement
Meaning
to undergo a chemical process where sugars are converted to alcohol or acid; to incite or stir up change
Example
The grapes are left to ferment for several weeks.
Les raisins sont laissés à fermenter pendant plusieurs semaines.
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 verb /fɔːˈbɛər/

forbear

s'abstenir
Meaning
To refrain from doing something; to show patience or self-control.
Example
She forbore from commenting on his mistake.
Elle s'est abstenue de commenter son erreur.
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 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 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 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 /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 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 /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 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 ˈfæʃ.ɪst

fascist

fasciste
Meaning
Relating to or characteristic of fascism; extremely authoritarian.
Example
Fascist governance undermines freedom.
Le gouvernement fasciste sape la liberté.
C1 noun /ˈfɔɪeɪr/

foyer

hall d'entrée
Meaning
An entrance hall or lobby in a building.
Example
The guests waited in the hotel foyer before checking in.
Les invités ont attendu dans le hall de l'hôtel avant de s'enregistrer.
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 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 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 verb /ˈflaʊndər/

flounder

tituber
Meaning
To struggle or stagger clumsily; to experience difficulty or confusion.
Example
He floundered in the interview when asked difficult questions.
Il a échoué dans l'entretien lorsqu'on lui a posé des questions difficiles.
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 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 noun /ˈfaɪərɑːm/

firearm

arme à feu
Meaning
a weapon capable of firing a projectile using gunpowder or other propellant
Example
The police found a hidden firearm during the investigation.
La police a trouvé une arme à feu cachée lors de l'enquête.
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 /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 /fɔːrˈkloʊʒər/

foreclosure

saisie immobilière
Meaning
The legal process by which a lender takes control of a property from a borrower who has failed to make payments.
Example
The family lost their home due to foreclosure after missing several mortgage payments.
La famille a perdu sa maison à cause de la saisie immobilière après avoir manqué plusieurs paiements hypothécaires.
C1 verb /ˈfɔːrfɪt/

forfeit

perdre, renoncer comme pénalité
Meaning
to lose or give up something, usually as a penalty for wrongdoing
Example
He had to forfeit the match after breaking the rules.
Il a dû abandonner le match après avoir enfreint les règles.
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 /ˈfɔːrwɜːrd/

foreword

préface
Meaning
a short introduction at the beginning of a book, typically written by someone other than the author
Example
The foreword of the book was written by a famous historian.
La préface du livre a été écrite par un historien célèbre.
C1 noun/adjective /fɔːrˈboʊdɪŋ/

foreboding

présage inquiétant
Meaning
A feeling that something bad will happen; ominous.
Example
She felt a deep sense of foreboding as she entered the abandoned house.
Elle ressentit une profonde sensation de présage inquiétant en entrant dans la maison abandonnée.
C1 verb /fɔrˈstɔl/

forestall

prévenir à l'avance
Meaning
to prevent by acting in advance; to anticipate and counter
Example
They forestalled the crisis by taking immediate action.
Ils ont évité la crise en prenant des mesures immédiates.
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 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 /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 /ˈfɜːr.vənt/

fervent

fervent, passionné
Meaning
having or showing intense passion or enthusiasm
Example
She gave a fervent speech about climate change.
Elle a prononcé un discours passionné sur le changement climatique.
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 /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.
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 /ˈfɑːð.ər.ləs/

fatherless

orphelin de père
Meaning
without a father
Example
The fatherless child relied on the support of his community.
L'enfant orphelin de père comptait sur le soutien de sa communauté.
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 /ˈfrɒlɪk/

frolic

jouer joyeusement
Meaning
to play and move about cheerfully, energetically, or playfully
Example
The children frolicked in the garden all afternoon.
Les enfants ont joué joyeusement dans le jardin toute l'après-midi.
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 adjective /fɪkˈtɪʃəs/

fictitious

fictif, faux
Meaning
not real or true; imaginary or fabricated
Example
The story he told was entirely fictitious.
L'histoire qu'il a racontée était entièrement fictive.
C1 adjective /frɔːt/

fraught

chargé
Meaning
Filled with or likely to result in something undesirable.
Example
The negotiations were fraught with tension and uncertainty.
Les négociations étaient chargées de tension et d'incertitude.
C1 noun fluˈɪd.ɪ.ti

fluidity

fluidité
Meaning
The ability of a substance to flow easily; smooth and graceful movement or style.
Example
The fluidity of the dancer's movements was mesmerizing.
La fluidité des mouvements de la danseuse était envoûtante.
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 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 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 noun /ˈfɒdər/

fodder

fourrage
Meaning
food for livestock such as cattle, horses, or sheep; also something considered of little value but used to supply a demand
Example
The farmer stored enough fodder for the cattle to last through winter.
Le fermier a stocké suffisamment de fourrage pour que le bétail ait de quoi se nourrir pendant l'hiver.
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 /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 adjective /ˈfɜːrtɪv/

furtive

furtif
Meaning
Attempting to avoid notice or attention, typically because of guilt or a belief that discovery would lead to trouble.
Example
He cast a furtive glance at the door before leaving.
Il lança un regard furtif vers la porte avant de partir.
C1 adjective /freɪl/

frail

fragile
Meaning
Physically weak and delicate.
Example
The old man was too frail to walk without help.
L'homme âgé était trop fragile pour marcher sans aide.