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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 /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 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 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 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 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 /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 /ˈfrɒθi/

frothy

mousseux
Meaning
Full of or covered with small bubbles; light and insubstantial.
Example
She ordered a cup of frothy cappuccino.
Elle a commandé une tasse de cappuccino mousseux.
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 /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 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 /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 /ˈfrɛs.koʊ/

fresco

fresque
Meaning
A painting done rapidly in watercolor on wet plaster so that the colors penetrate the surface
Example
The church walls were decorated with beautiful frescoes.
Les murs de l'église étaient décorés de magnifiques fresques.
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 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 noun /ˈfiːæt/

fiat

décret, mandat
Meaning
an official order or decree; authoritative command
Example
The new policy was enacted by royal fiat.
La nouvelle politique a été mise en œuvre par un décret royal.
C2 adjective /ˈfræk.ʃəs/

Fractious

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

flection

flexion
Meaning
The act of bending or the state of being bent, especially of a limb or joint.
Example
The doctor tested the patient's knee flection during the examination.
Le médecin a testé la flexion du genou du patient lors de l'examen.
C2 adjective /ˈfɛstəl/

festal

relatif à un festival, festif
Meaning
relating to a festival or celebration
Example
The hall was decorated in a festal manner for the wedding.
La salle a été décorée de manière festive pour le mariage.
C2 adjective /ˈfɪt.fəl/

fitful

par intermittence
Meaning
occurring in irregular bursts; not continuous or steady
Example
He had a fitful sleep due to the storm.
Il a eu un sommeil par intermittence à cause de la tempête.
C2 adjective fɔːˈtjuː.ɪ.təs

fortuitous

fortuit
Meaning
Happening by accident or chance rather than design; lucky or fortunate.
Example
Their meeting was purely fortuitous.
Leur rencontre était purement fortuite.
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 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 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 /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 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 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 /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 /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 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.
C2 adjective /ˈfætʃuəs/

fatuous

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

frieze

frise
Meaning
a decorative horizontal band, often sculpted or painted, usually on a wall near the ceiling
Example
The frieze above the entrance depicts scenes from ancient mythology.
La frise au-dessus de l'entrée représente des scènes de la mythologie antique.
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 /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 noun /ˈfɔːrʃɔːr/

foreshore

rivage
Meaning
The part of the shore between the high and low tide marks
Example
Children were playing on the foreshore, collecting shells.
Les enfants jouaient sur le rivage, ramassant des coquillages.
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 noun /ˈfrɔːdjʊləns/

fraudulence

fraude
Meaning
The quality or state of being fraudulent; deceitfulness.
Example
The audit revealed fraudulence in the financial statements.
L'audit a révélé une fraude dans les états financiers.
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 /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 /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 noun /ˈfrækɑː/

fracas

bagarre
Meaning
A noisy disturbance or quarrel.
Example
The fracas outside the bar drew the attention of the police.
La bagarre à l'extérieur du bar a attiré l'attention de la police.
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 /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 /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 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 verb /feɪz/

faze

perturber
Meaning
to disturb or disconcert someone; to cause to feel unsettled
Example
She was not fazed by the unexpected question.
Elle n'a pas été perturbée par la question inattendue.
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 /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 noun /fɪntʃ/

finch

pinson (petit oiseau chanteur)
Meaning
a small songbird with a short, stout bill
Example
A colorful finch perched on the branch singing sweetly.
Un pinson coloré s'est posé sur la branche chantant doucement.
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 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 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 noun /ˈflæt.ər.ər/

Flatterer

flatteur
Meaning
a person who lavishes praise, often insincerely and in order to gain advantage
Example
The king was surrounded by flatterers who only told him what he wanted to hear.
Le roi était entouré de flatteurs qui lui disaient seulement ce qu'il voulait entendre.
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 noun /ˈfetiʃ/

fetich

fétiche
Meaning
an object believed to have magical powers or to be inhabited by a spirit
Example
The villagers treated the statue as a powerful fetich.
Les villageois traitaient la statue comme un fétiche puissant.
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 /fɔːn/

faun

faune (créature mythologique)
Meaning
a mythological creature that is half human and half goat
Example
The sculpture depicted a playful faun dancing in the forest.
La sculpture représentait un faune dansant et jouant dans la forêt.
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 /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 /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 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 adjective /ˈfʊtˌluːs/

footloose

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

fusty

ranci
Meaning
smelling stale, damp, or stuffy; old-fashioned
Example
The room smelled fusty after being closed for months.
La pièce sentait le ranci après avoir été fermée pendant des mois.
C2 noun /ˈfriːˌmeɪsən/

freemason

franc-maçon membre
Meaning
A member of an international fraternity known as Freemasonry, focused on moral and spiritual values.
Example
His grandfather was a respected freemason in the community.
Son grand-père était un franc-maçon respecté dans la communauté.
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 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 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 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 /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 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 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 /ˈfoʊksl/

forecastle

forecastle
Meaning
The forward part of a ship below the deck, traditionally used as living quarters for the crew.
Example
The sailors gathered in the forecastle after their shift.
Les marins se sont rassemblés dans le forecastle après leur quart.
C2 noun /ˈfɔːrkɔːrt/

forecourt

cour
Meaning
an open area in front of a large building, especially a petrol station or hotel
Example
The car was parked in the hotel forecourt.
La voiture était garée dans la cour de l'hôtel.
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 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 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 verb /fɪˈneɪɡəl/

finagle

obtenir quelque chose par astuce ou tromperie
Meaning
to obtain something by cleverness or trickery
Example
He finagled a free ticket by pretending to be a VIP guest.
Il a obtenu un billet gratuit en prétendant être un invité VIP.
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 noun /foʊ ˈpɑː/

faux pas

faute sociale
Meaning
a social blunder or mistake in etiquette
Example
He committed a major faux pas by forgetting her birthday.
Il a commis une grande faute sociale en oubliant son anniversaire.
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 /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 /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 /ˈfrɪzəl/

frizzle

frire jusqu'à ce que cela devienne croustillant et frisé
Meaning
to fry something until it becomes crisp and curled, or to make a sizzling noise
Example
The bacon began to frizzle in the pan.
Le bacon a commencé à crépiter dans la poêle.
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 /ˈfæləbl/

fallible

capable de faire des erreurs
Meaning
capable of making mistakes or being wrong
Example
Even experts are fallible and can make errors.
Même les experts sont faillibles et peuvent faire des erreurs.
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 /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 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 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 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 /ˈfæsaɪl/

Facile

facile; superficiel; manquant de profondeur
Meaning
easily achieved; superficial; lacking depth
Example
His facile explanation didn't address the real problem.
Son explication facile n'a pas abordé le vrai problème.
C2 verb /ˈfrʌktɪˌfaɪ/

fructify

fructifier
Meaning
To make fruitful or productive; to bear fruit.
Example
The new policies will help fructify the economic potential of the region.
Les nouvelles politiques aideront à fructifier le potentiel économique de la région.
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.dʒənt/

fulgent

éclatant
Meaning
Shining brightly; dazzling.
Example
The fulgent stars lit up the night sky.
Les étoiles éclatantes ont illuminé le ciel nocturne.
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 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 noun /fəˈlɪsɪti/

felicity

félicité
Meaning
intense happiness; the ability to find appropriate expression for one's thoughts
Example
She was known for her felicity in conversation and cheerful nature.
Elle était connue pour sa félicité dans les conversations et sa nature joyeuse.
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 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 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 verb /fɔrˈswɛr/

forswear

renoncer
Meaning
to renounce or reject; to give up completely
Example
He forswore his old habits and started a new life.
Il a renoncé à ses anciennes habitudes et a commencé une nouvelle vie.
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 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 /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 verb /ˈfjuːmɪˌɡeɪt/

fumigate

fumiger
Meaning
to disinfect or purify an area by using chemical fumes
Example
They fumigated the warehouse to kill the insects.
Ils ont fumigé l'entrepôt pour tuer les insectes.
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 /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 /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 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 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 adjective /ˈfraɪəbl/

friable

friable
Meaning
Easily crumbled or reduced to powder.
Example
The old brick wall was friable and broke apart at a touch.
Le vieux mur en briques était friable et se brisa au toucher.
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 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 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 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 /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 noun /ˈfaɪər.brænd/

firebrand

un agitateur
Meaning
a person who is passionate about a cause, often inciting change or action
Example
The activist was a true firebrand, inspiring everyone around him to join the protest.
L'activiste était un véritable agitateur, inspirant tout le monde autour de lui à rejoindre la protestation.