flatulence
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C2 noun /ˈflætʃələns/

flatulence

accumulation de gaz dans le système digestif
Meaning
the accumulation of gas in the digestive system; excessive gas in the stomach or intestines
Example
Eating beans can sometimes cause flatulence.
Manger des haricots peut parfois provoquer des flatulences.
C2 adjective /ˈfɒp.ɪʃ/

Foppish

excessivement préoccupé par son apparence et ses vêtements ; vaniteux à propos de l'habillement
Meaning
excessively concerned with one's appearance and clothes; vain about dress
Example
His foppish behavior and expensive clothes made him stand out.
Son comportement foppish et ses vêtements chers le rendaient remarquable.
C2 adjective /fɪˈdjuːʃəl/

fiducial

fiduciaire, de référence
Meaning
based on trust or confidence; serving as a standard of reference
Example
The fiducial point on the map ensures accurate measurements.
Le point fiduciaire sur la carte assure des mesures précises.
C2 noun /ˈflɛdʒlɪŋ/

fledgeling

oiseau débutant
Meaning
A young bird that has just developed its feathers and is learning to fly; a beginner.
Example
The fledgeling was trying hard to take its first flight.
L'oiseau débutant essayait de prendre son premier envol.
C2 verb /ˈflʌməks/

flummox

déconcerter
Meaning
To confuse or bewilder someone completely.
Example
The complicated puzzle flummoxed the students.
Le puzzle compliqué a déconcerté les étudiants.
C2 noun /fækˈtoʊtəm/

factotum

homme à tout faire
Meaning
an employee who does many different types of work; a general servant
Example
He worked as a factotum, handling both clerical and maintenance duties.
Il travaillait comme un factotum, s'occupant à la fois des tâches administratives et de maintenance.
C2 noun /floʊ/

floe

banquise
Meaning
a large sheet of floating ice
Example
The polar bears rested on the ice floe.
Les ours polaires se reposaient sur la banquise.
C2 noun /ˈfeɪ.tə.lɪ.zəm/

fatalism

fatalisme
Meaning
the belief that all events are predetermined and inevitable
Example
He embraced fatalism, believing that nothing he did could change his destiny.
Il a adopté le fatalisme, croyant que rien de ce qu'il faisait ne pouvait changer son destin.
C2 adjective /ˈfɒksi/

foxy

rusé
Meaning
Clever, cunning, or attractive.
Example
He came up with a foxy plan to win the game.
Il a proposé un plan rusé pour gagner le jeu.
C2 verb /ˈfæmɪʃ/

famish

mourir de faim
Meaning
to suffer or cause to suffer from extreme hunger
Example
The stranded hikers began to famish after several days without food.
Les randonneurs bloqués ont commencé à mourir de faim après plusieurs jours sans nourriture.
C2 noun /ˈfɔːltˌfaɪndər/

faultfinder

chercheur de défauts
Meaning
a person who habitually finds fault with others
Example
He is such a faultfinder that nothing anyone does is ever good enough.
C'est un chercheur de défauts au point que rien de ce que fait quelqu'un n'est jamais assez bien.
C2 adjective /ˈfæl.oʊ/

fallow

jachère
Meaning
Describing land that is left unplanted for a period to restore its fertility, allowing soil to recover nutrients and break pest and disease cycles.
Example
Farmers leave their fields fallow to restore soil fertility.
Les agriculteurs laissent leurs champs en jachère pour restaurer la fertilité du sol.
C2 adjective /ˈfʌndʒəbl/

fungible

fongible
Meaning
interchangeable; able to replace or be replaced by another identical item
Example
In finance, money is considered a fungible asset.
En finance, l'argent est considéré comme un actif fongible.
C2 adjective /ˈfæn.sɪ.ləs/

fanciless

sans imagination, ordinaire
Meaning
without imagination or creativity; plain or ordinary
Example
His drawings were simple and fanciless.
Ses dessins étaient simples et sans imagination.
C2 noun /ˈfriːˌθɪŋkər/

freethinker

librepenseur
Meaning
A person who forms opinions based on reason and independent thought rather than tradition or authority.
Example
Voltaire was considered a great freethinker of his time.
Voltaire a été considéré comme un grand librepenseur de son époque.
C2 adjective /ˈfiːbraɪl/

febrile

fiévreux, agité
Meaning
having or showing the symptoms of a fever; or highly excitable or agitated
Example
The patient was in a febrile state with high temperature.
Le patient était dans un état fébrile avec une température élevée.
C2 adjective /ˈfʌŋɡəs/

fungous

semblable à un champignon
Meaning
relating to or resembling a fungus
Example
The damp basement had a fungous smell.
Le sous-sol humide avait une odeur semblable à un champignon.
C2 noun /ˈfɜːrnəri/

fernery

fernière, endroit où les fougères sont cultivées
Meaning
a place or greenhouse where ferns are cultivated
Example
The garden's fernery was full of exotic plants.
La ferniére du jardin était pleine de plantes exotiques.
C2 noun /ˈfriːˌbuːtər/

freebooter

flibustier
Meaning
A pirate or plunderer who roams freely in search of wealth.
Example
The freebooter raided the merchant ships along the coast.
Le flibustier a attaqué les navires marchands le long de la côte.
C2 verb /fɔːrˈdʒʌdʒ/

forejudge

juger à l'avance
Meaning
To judge beforehand without adequate information.
Example
It is unfair to forejudge someone without knowing the facts.
Il est injuste de juger quelqu'un sans connaître les faits.
C2 noun /ˈfɔɪbəl/

foible

petite faiblesse
Meaning
A minor weakness or eccentricity in someone's character.
Example
She loved him despite his little foibles.
Elle l'aimait malgré ses petites faiblesses.
C2 noun /fækˈsɪmɪli/

facsimile

copie
Meaning
an exact copy or reproduction of a document
Example
He sent a facsimile of the contract to the client.
Il a envoyé une copie du contrat au client.
C2 noun /ˈfræŋkɪnsɛns/

frankincense

encens
Meaning
An aromatic gum resin used in incense and perfumes, often in religious ceremonies.
Example
The temple was filled with the sweet smell of burning frankincense.
Le temple était rempli de l'odeur douce de l'encens brûlant.
C2 adjective /ˈfiːbəlˌmaɪndɪd/

feebleminded

stupide ou à l'esprit faible
Meaning
lacking intelligence or mental capacity; foolish or weak-minded
Example
The feebleminded man struggled to understand basic instructions.
L'homme à l'esprit faible avait du mal à comprendre les instructions de base.
C2 noun /ˌfjuːzɪˈleɪd/

fusillade

rafale
Meaning
A series of shots fired or missiles thrown all at the same time or in quick succession.
Example
The soldiers advanced under a fusillade of bullets.
Les soldats ont avancé sous un rafale de balles.
C2 verb /ˈfɛtər/

fetter

entraver, restreindre
Meaning
to restrain or restrict someone’s freedom
Example
The strict rules fettered the creativity of the students.
Les règles strictes ont limité la créativité des étudiants.
C2 adjective/adverb /feɪn/

fain

volontiers, avec plaisir
Meaning
gladly, willingly, or with pleasure
Example
I would fain help you if I had the time.
Si j'avais le temps, je t'aiderais volontiers.
C2 adjective /ˈfjuːzəbl/

fusible

fusionnable
Meaning
Capable of being melted or fused.
Example
The engineer used a fusible alloy in the experiment.
L'ingénieur a utilisé un alliage fusionnable dans l'expérience.
C2 adjective /ˈflʌməksd/

flummoxed

déconcerté
Meaning
Completely confused or bewildered.
Example
He looked flummoxed after hearing the strange question.
Il avait l'air déconcerté après avoir entendu la question étrange.
C2 noun /fɔːrˈbɛrəns/

forbearance

tolérance
Meaning
Patient self-control; restraint and tolerance, especially in difficult situations.
Example
She showed remarkable forbearance during the heated argument.
Elle a montré une tolérance remarquable pendant la dispute animée.
C2 adjective /ˈfer.əs/

ferrous

riche en fer
Meaning
containing or consisting of iron
Example
Ferrous metals are commonly used in construction.
Les métaux ferreux sont couramment utilisés dans la construction.
C2 noun /ˈfɪɡmənt/

figment

invention, imagination
Meaning
something invented or imaginary; a fabrication of the mind
Example
The story of the haunted house is just a figment of her imagination.
L'histoire de la maison hantée n'est qu'un produit de son imagination.
C2 noun /ˌfoʊ.mənˈteɪ.ʃən/

fomentation

incitation, stimulation
Meaning
The action of instigating or stirring up; also the application of warm substances to the body to ease pain.
Example
His speech led to the fomentation of violence in the region.
Son discours a conduit à la fomentation de la violence dans la région.
C2 verb /fɪltʃ/

filch

voler
Meaning
to steal something in a sneaky or petty way
Example
He tried to filch a candy bar from the shop.
Il a essayé de voler une barre de chocolat dans le magasin.
C2 noun /ˈfoʊ.li.oʊ/

folio

grand livre ou manuscrit
Meaning
A sheet of paper folded once to form two leaves (four pages) of a book; also a term for a large book or manuscript.
Example
The library houses an ancient Shakespeare folio.
La bibliothèque abrite un ancien folio de Shakespeare.
C2 adjective /ˈfʊl.səm/

fulsome

éloges excessifs
Meaning
Excessively flattering or insincere; abundant or generous in amount.
Example
He offered fulsome praise to his boss.
Il a offert des éloges excessifs à son patron.
C2 verb /flɛdʒ/

fledge

prêter
Meaning
To develop wing feathers large enough for flight; to bring up until able to fly.
Example
The young birds will fledge in a few weeks.
Les jeunes oiseaux vont se préparer à voler dans quelques semaines.
C2 adjective /ˈfɛkləs/

feckless

inefficace, irresponsable
Meaning
lacking initiative or strength of character; irresponsible
Example
His feckless attitude at work caused several missed deadlines.
Son attitude inefficace au travail a causé plusieurs délais manqués.
C2 noun /ˌfrɪdʒɪˈdɛːriəm/

frigidarium

bain froid
Meaning
a large cold pool in ancient Roman baths used for cooling off after hot baths
Example
The ruins of the Roman frigidarium are still visible today.
Les ruines du frigidarium romain sont encore visibles aujourd'hui.
C2 adjective /ˈfraʊzi/

frowsy

négligé
Meaning
Scruffy and neglected in appearance; musty or stale in smell.
Example
He wore a frowsy old jacket that smelled of damp.
Il portait une veste négligée et vieille qui sentait l'humidité.
C2 noun /ˈfʊl.krəm/

fulcrum

point d'appui
Meaning
The point or support on which a lever pivots; a central or essential point of activity or support.
Example
The teacher became the fulcrum of change in the school.
Le professeur est devenu le fulcrum du changement à l'école.
C2 verb /frɪz/

frizz

former les cheveux en boucles serrées ou rendre les cheveux éparse et emmêlés
Meaning
to form into small, tight curls or cause hair to become fuzzy and tangled
Example
The humid weather caused her hair to frizz.
Le temps humide a causé l'ondulation de ses cheveux.
C2 noun /fiːf/

fief

un terrain de terre détenu sous le système féodal ; un domaine ou une zone de contrôle
Meaning
an estate of land held under the feudal system; a domain or area of control
Example
The knight was granted a fief by the lord for his service.
Le chevalier a reçu un fief du seigneur pour ses services.
C2 adjective /ˈfækʃəs/

factious

factionnel
Meaning
causing disagreement or division within a group; inclined to form factions
Example
The debate became factious, splitting the committee into rival camps.
Le débat est devenu factionnel, divisant le comité en camps rivaux.
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.
C2 verb /ˌfɔːrɔːrˈdeɪn/

foreordain

prédestiner
Meaning
to determine or decree something in advance; to predestine
Example
Some believe that our lives are foreordained by fate.
Certains croient que nos vies sont prédestinées par le destin.
C2 adjective fəˈleɪ.ʃəs

fallacious

fallacieux
Meaning
Based on false reasoning or misleading arguments.
Example
His argument was based on fallacious reasoning.
Son argument était basé sur des raisonnements fallacieux.
C2 noun /ˈfɪli/

filly

jeune jument
Meaning
a young female horse
Example
The filly ran swiftly across the meadow.
La pouliche a couru rapidement à travers la prairie.
C2 verb /ˈflædʒəˌleɪt/

flagellate

flageller ou se fouetter comme une forme de punition ou d'autodiscipline
Meaning
to whip or flog someone, either literally or as a form of punishment or self-discipline
Example
In history, some monks would flagellate themselves as penance.
Dans l'histoire, certains moines se flagellaient comme pénitence.
C2 verb /frɪsk/

frisk

fouiller
Meaning
To search a person by patting their clothing to check for concealed items.
Example
The security guard frisked the man at the entrance.
Le garde de sécurité a fouillé l'homme à l'entrée.
C2 noun /ˈfæn.feər/

fanfare

grande pompe, publicité
Meaning
a short ceremonial tune or display of publicity to attract attention
Example
The new product was launched with much fanfare.
Le nouveau produit a été lancé avec beaucoup de fanfare.
C2 noun /foʊl fʊt/

Foal-foot

fleur de sabot de cheval
Meaning
a yellow flowering plant with leaves shaped like a horse's hoof, also known as coltsfoot
Example
The foal-foot plant grows wild in many meadows and is often the first flower to bloom in spring.
La plante de fleur de sabot de cheval pousse sauvagement dans de nombreuses prairies et est souvent la première à fleurir au printemps.
C2 verb /fleɪ/

flay

enlever la peau/criticiser sévèrement
Meaning
to strip off the skin of something or criticize severely
Example
The chef flayed the fish before cooking it.
Le chef a enlevé la peau du poisson avant de le cuisiner.
C2 noun /ˈfʌstɪən/

fustian

discours pompeux
Meaning
pompous or pretentious speech or writing; originally a type of thick cloth
Example
The politician's speech was filled with fustian and empty promises.
Le discours du politicien était rempli de fustian et de promesses vides.
C2 noun /ˈfɔːrˌpiːk/

forepeak

avant du navire
Meaning
The compartment in the forward part of a ship, often used for storage.
Example
The sailors stored extra ropes in the forepeak.
Les marins ont rangé des cordes supplémentaires dans l'avant du navire.
C2 adjective /ˈfɪnɪki/

finicky

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

fluvial

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

filibuster

une tactique de retardement des actions législatives par des discours prolongés; utiliser une telle tactique
Meaning
a tactic of delaying legislative action by prolonged speech; to use such a tactic
Example
The senator filibustered for hours to prevent the bill from passing.
Le sénateur a filibusté pendant des heures pour empêcher l'adoption du projet de loi.
C2 adjective /ˈfraʊzi/

frowzy

négligé
Meaning
Unkempt, messy, or having a musty, unpleasant smell.
Example
He entered the room with a frowzy appearance after sleeping on the couch.
Il est entré dans la pièce avec une apparence négligée après avoir dormi sur le canapé.
C2 verb /ˈfʊl.mɪ.neɪt/

fulminate

protester violemment
Meaning
To express strong protest or criticism loudly and forcefully; to explode violently.
Example
The politician began to fulminate against corruption.
Le politicien a commencé à protester violemment contre la corruption.
C2 verb /ˈfɛstər/

fester

empirer, s'intensifier
Meaning
to become worse or more intense, often through neglect or infection
Example
If grievances are ignored, they may fester into resentment.
Si les plaintes sont ignorées, elles peuvent devenir du ressentiment.
C2 adjective /fəˈsiːʃəs/

facetious

moqueur
Meaning
Treating serious issues with deliberately inappropriate humor
Example
He was being facetious when he said he wanted to live on the moon.
Il était moqueur quand il a dit qu'il voulait vivre sur la lune.
C2 noun ˌfjuːmɪˈɡeɪʃən

fumigation

fumigation
Meaning
The practice of disinfecting or purifying an area using gas or smoke.
Example
Fumigation is an effective method to control pest infestations.
La fumigation est une méthode efficace pour contrôler les infestations de parasites.
C2 noun /flɔːˈrɛsəns/

florescence

floraison
Meaning
The process, state, or period of flowering.
Example
The garden reached its peak florescence in spring.
Le jardin a atteint son apogée de floraison au printemps.
C2 noun /ˈfɔːrˌseɪl/

foresail

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

flail

agiter ou balancer quelque chose sauvagement; se débattre
Meaning
to wave or swing something about wildly; to thrash about
Example
He flailed his arms to keep afloat in the water.
Il agitait ses bras pour rester à flot dans l'eau.
C2 adjective /ˈflɪpənt/

flippant

désinvolte
Meaning
not showing a serious or respectful attitude
Example
His flippant remarks annoyed the teacher.
Ses remarques désinvoltes ont agacé le professeur.
C2 verb /foʊˈmɛnt/

foment

fomenter
Meaning
To instigate or stir up (an undesirable or violent sentiment or course of action).
Example
The rebel leader tried to foment unrest among the people.
Le leader rebelle a tenté de fomenter des troubles parmi les gens.
C2 noun /ˈflɪpənsi/

flippancy

légèreté
Meaning
lack of seriousness; showing a disrespectful or trivial attitude
Example
His flippancy during the meeting offended his colleagues.
Sa légèreté pendant la réunion a offensé ses collègues.
C2 adjective /ˈfrɛtfəl/

fretful

agité
Meaning
Feeling or showing distress or irritation.
Example
The baby was fretful all night and could not sleep.
Le bébé était agité toute la nuit et n'a pas pu dormir.
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.
C2 adjective /ˈfɛtɪd/

fetid

fétide, puant
Meaning
having a strong, unpleasant smell
Example
The fetid smell from the garbage was unbearable.
L'odeur fétide des ordures était insupportable.
C2 adjective /ˈfɪliəl/

filial

relatif à un fils ou une fille ; montrer du respect ou de l'affection envers les parents
Meaning
relating to a son or daughter; showing respect or affection toward parents
Example
He showed filial respect by caring for his aging parents.
Il a montré du respect filial en prenant soin de ses parents âgés.
C2 verb /ˈfɜːrbɪʃ/

furbish

lustrer
Meaning
to polish, renovate, or give a fresh look to something
Example
The workers furbished the old sword until it gleamed like new.
Les travailleurs ont lustré l'épée ancienne jusqu'à ce qu'elle brille comme neuve.
C2 adjective /fluːˈɛnʃəl/

fluential

influent
Meaning
Having the power to influence or flowing freely (rare/archaic usage).
Example
The fluential speaker captivated the entire audience.
Le locuteur influent a captivé toute l'audience.
C2 noun /ˈfʌriər/

furrier

fourreur
Meaning
A person who prepares or deals in furs.
Example
The furrier displayed fine coats in his shop.
Le fourreur a exposé de beaux manteaux dans son magasin.
C2 adjective /ˈfiːtɪd/

foetid

fétide
Meaning
having an offensive, unpleasant smell
Example
The foetid smell from the garbage made it hard to breathe.
L'odeur fétide des ordures rendait la respiration difficile.
C2 noun /fiːˈkʌndɪti/

fecundity

fécondité, fertilité
Meaning
the ability to produce an abundance of offspring or new growth; fertility
Example
The fecundity of the river delta supports diverse wildlife.
La fécondité du delta du fleuve soutient une vie sauvage diversifiée.
C2 adjective /ˈfæð.əm.ləs/

fathomless

incompréhensible ou insondable
Meaning
impossible to understand or measure; very deep
Example
The ocean seemed fathomless as it stretched to the horizon.
L'océan semblait insondable à mesure qu'il s'étendait jusqu'à l'horizon.
C2 adjective /ˈfɔːnɪŋ/

fawning

flatterie exagérée
Meaning
displaying exaggerated flattery or affection
Example
Her fawning compliments made everyone uncomfortable.
Ses compliments exagérés ont mis tout le monde mal à l'aise.
C2 noun /ˈfɜːrðərəns/

furtherance

avancement
Meaning
The advancement or promotion of something.
Example
The new policy was introduced in furtherance of social justice.
La nouvelle politique a été introduite en vue de la justice sociale.
C2 adjective /ˈfrɒlɪksəm/

Frolicsome

enjoué; joyeux; gai
Meaning
joyful; playful; merry; cheerful
Example
The frolicsome children laughed and played in the park.
Les enfants joyeux riaient et jouaient dans le parc.
C2 noun /fluː/

flue

conduit de fumée
Meaning
A pipe or channel for smoke and waste gases produced by a fire, gas heater, or power station.
Example
The chimney flue needs to be cleaned regularly.
Le conduit de fumée de la cheminée doit être nettoyé régulièrement.
C2 adjective /fjuːˈɡeɪʃəs/

fugacious

éphémère
Meaning
Lasting only a short time; fleeting or ephemeral.
Example
Youth is beautiful but fugacious.
La jeunesse est belle mais éphémère.
C2 adjective /fjuːˈnɪəriəl/

funereal

funéraire
Meaning
having the mournful, somber character of a funeral
Example
The room was filled with a funereal silence after the announcement.
La pièce était remplie d'un silence funéraire après l'annonce.
C2 verb /ˈfrɪtər/

fritter

gaspiller
Meaning
To waste time, money, or energy on trivial matters.
Example
He frittered away his savings on unnecessary gadgets.
Il a gaspillé ses économies sur des gadgets inutiles.
C2 verb /fɔːrˈboʊd/

forebode

présager
Meaning
To predict or have a strong inner feeling of a future misfortune or evil.
Example
Dark clouds forebode a coming storm.
Les nuages sombres présagent une tempête à venir.
C2 adjective /fəˈloʊniəs/

felonious

relatif à un crime grave
Meaning
relating to or involved in serious criminal activity
Example
He was charged with felonious assault after the incident.
Il a été accusé d'agression grave après l'incident.
C2 noun /ˈfɪlɪɡri/

filigree

travail ornemental délicat, généralement en or ou en argent
Meaning
delicate ornamental work of fine wire, usually of gold or silver
Example
The necklace was decorated with intricate gold filigree.
Le collier était décoré avec un filigrane en or complexe.
C2 adjective /ˈfɜːr.vɪd/

Fervid

passionné; intensément enthousiaste; brûlant d'émotion
Meaning
passionate; intensely enthusiastic; burning with emotion
Example
She gave a fervid speech about environmental protection.
Elle a prononcé un discours fervide sur la protection de l'environnement.
C2 noun /ˈfiːəlti/

fealty

fidélité et allégeance
Meaning
loyalty or allegiance, especially to a sovereign or lord
Example
The knight swore fealty to his king.
Le chevalier prêta fidélité à son roi.
C2 adjective /ˈflaɪti/

flighty

instable
Meaning
unstable, impulsive, or easily distracted; lacking seriousness or stability
Example
She’s too flighty to stick with one job for long.
Elle est trop instable pour rester dans un seul travail pendant longtemps.
C2 noun /ˈfɛndər/

fender

pare-chocs
Meaning
a part of a vehicle that frames a wheel well to protect against mud or debris
Example
The car's fender was dented in the accident.
Le fender de la voiture a été enfoncé dans l'accident.
C2 verb /fɪˈlɪsɪˌteɪt/

felicitate

féliciter
Meaning
to congratulate; to express good wishes
Example
We felicitated the graduating students at the ceremony.
Nous avons félicité les étudiants diplômés lors de la cérémonie.
C2 noun /ˈfɜːrlɔːŋ/

furlong

unité de distance (220 yards ou environ 201 mètres)
Meaning
a unit of distance equal to 220 yards or about 201 meters
Example
The horse ran a furlong before slowing down.
Le cheval a couru un furlong avant de ralentir.
C2 verb /fɔɪst/

foist

imposer de force
Meaning
To impose something unwelcome or unnecessary on someone.
Example
He tried to foist his old books onto his friends.
Il a essayé d'imposer ses vieux livres à ses amis.
C2 noun /ˈfɔːrˌnɑːlɪdʒ/

foreknowledge

prémonition
Meaning
Awareness of something before it happens or exists.
Example
The prophet claimed to have foreknowledge of the event.
Le prophète a affirmé avoir la prémonition de l'événement.
C2 adjective /ˈflæs.ɪd/

Flaccid

flasque; mou; tombant;
Meaning
soft and limp; lacking firmness; drooping
Example
The plant's leaves became flaccid after days without water.
Les feuilles de la plante sont devenues flasques après plusieurs jours sans eau.
C2 adjective /ˈflɒrɪd/

florid

excessivement orné / rougeâtre
Meaning
Having a red or flushed complexion; or excessively ornate and intricate.
Example
The speaker’s florid style made the lecture hard to follow.
Le style excessivement orné du conférencier a rendu la conférence difficile à suivre.
C2 adjective /ˈfuːlˌhɑːrdi/

foolhardy

audacieux imprudent
Meaning
Recklessly bold or rash; taking foolish risks.
Example
It was foolhardy of him to climb the mountain without proper gear.
C'était audacieux de sa part de gravir la montagne sans l'équipement approprié.
C2 adjective /ˈflæb.i/

Flabby

mou et lâche; manque de fermeté ou de tonus musculaire; faible
Meaning
soft and loose; lacking firmness or muscle tone; weak
Example
His flabby arms showed he needed to exercise more.
Ses bras flasques montraient qu'il avait besoin de faire plus d'exercice.
C2 noun /flɛk/

fleck

tache petite
Meaning
a small spot or mark, often of a different color
Example
There was a fleck of paint on the floor.
Il y avait une tache de peinture sur le sol.
C2 adjective /ˈfrəʊərd/

froward

têtu
Meaning
Difficult to deal with; contrary and disobedient.
Example
The teacher found the froward child hard to manage.
L'enseignant a trouvé l'enfant têtu difficile à gérer.
C2 noun /ˈfaɪnəri/

finery

vêtements ou décorations luxueux
Meaning
expensive or elaborate clothes, decorations, or accessories
Example
She attended the party in her finest finery.
Elle est allée à la fête vêtue de sa plus belle tenue.
C2 noun /feɪnt/

feint

feinte, mouvement trompeur
Meaning
a deceptive or pretended movement, especially in fighting or sports
Example
The boxer made a feint to the left before striking to the right.
Le boxeur fit une feinte à gauche avant de frapper à droite.
C2 adjective /ˈfiːkənd/

fecund

fertile, productif
Meaning
producing or capable of producing an abundance of offspring or new growth; fertile
Example
The fecund soil produced a bountiful harvest this year.
Le sol fertile a produit une récolte abondante cette année.
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 noun /ˌfɔːrɔːrdɪˈneɪʃən/

foreordination

prédestination
Meaning
the act of determining something in advance; predestination
Example
The doctrine of foreordination suggests that events are fixed by divine will.
La doctrine de la prédestination suggère que les événements sont fixés par la volonté divine.
C2 noun /ˈfuːləri/

foolery

folie
Meaning
Silly or foolish behavior or actions.
Example
His constant foolery made the meeting hard to take seriously.
Sa constante folie a rendu la réunion difficile à prendre au sérieux.
C2 verb /flɪt/

flit

voltiger
Meaning
to move quickly and lightly from one place to another
Example
Butterflies flitted from flower to flower.
Les papillons voltigeaient de fleur en fleur.
C2 noun /flæks/

flax

lin
Meaning
a plant whose fibers are used to make linen and whose seeds are edible
Example
Flax is often used in making linen fabrics.
Le lin est souvent utilisé pour fabriquer des tissus en lin.
C2 verb /fɔːrˈfɛnd/

forfend

protéger, défendre, prévenir
Meaning
to protect or defend against something undesirable; to prevent
Example
May good fortune forfend any danger from our journey.
Que la bonne fortune protège contre tout danger durant notre voyage.
C2 noun /frɒnd/

frond

feuille
Meaning
A large, divided leaf of a fern, palm, or similar plant.
Example
The fern's frond stretched gracefully over the garden path.
La feuille de fougère s'est étendue gracieusement sur le chemin du jardin.
C2 noun /fluːk/

fluke

coup de chance
Meaning
A stroke of luck; an unexpected piece of good fortune.
Example
Winning the lottery was a complete fluke.
Gagner à la loterie était un véritable coup de chance.
C2 verb /ˈfʌdəl/

fuddle

embrouiller
Meaning
To confuse or stupefy, especially with alcohol or overwhelming information.
Example
The complicated instructions fuddled the new employees.
Les instructions compliquées ont embrouillé les nouveaux employés.
C2 adjective /ˈfrɪski/

Frisky

vivant; énergique; joueur; espiègle
Meaning
lively; energetic; playful; mischievous
Example
The frisky puppy ran around the garden playfully.
Le chiot frisky courait autour du jardin de manière enjouée.
C2 verb /ˌfɔːrˈrʌn/

forerun

précéder
Meaning
To go before; to precede in time, place, or action.
Example
Dark clouds often forerun a storm.
Les nuages sombres annoncent souvent une tempête.
C2 adjective/noun /fɪˈduː.ʃi.er.i/

fiduciary

fiduciaire
Meaning
Involving trust, especially with regard to the relationship between a trustee and a beneficiary.
Example
Banks have fiduciary duties towards their clients.
Les banques ont des devoirs fiduciaires envers leurs clients.
C2 noun /fez/

Fez

fèze
Meaning
a cone-shaped red hat with a tassel, traditionally worn by men in some Middle Eastern countries
Example
The traditional costume included a red fez with a black tassel.
Le costume traditionnel comprenait un fez rouge avec un gland noir.
C2 adjective /fəˈlɪsɪtəs/

felicitous

approprié, adéquat ou agréable; marqué par la chance ou le bonheur
Meaning
well-chosen, appropriate, or pleasing; marked by good fortune or happiness
Example
She made a felicitous remark that lightened the mood.
Elle a fait une remarque appropriée qui a allégé l'atmosphère.
C2 noun /ˈfʌŋkʃəˌnɛri/

functionary

fonctionnaire
Meaning
a person who has official duties in an organization, especially one with little authority
Example
The minor functionary was responsible for filing reports.
Le fonctionnaire mineur était responsable du dépôt des rapports.