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C1 verb ˈflʌk.tʃu.eɪt

fluctuate

fluktuieren
Meaning
To regularly increase or decrease.
Example
Stock prices fluctuate due to market conditions.
Aktienkurse schwanken aufgrund der Marktbedingungen.
C1 adjective /ˈfɜːrtɪv/

furtive

heimlich
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.
Er warf einen heimlichen Blick zur Tür, bevor er ging.
C1 adjective /ˈfrɔːdjʊlənt/

fraudulent

betrügerisch
Meaning
Involving or using deceit, especially criminal deception.
Example
He was arrested for making fraudulent insurance claims.
Er wurde verhaftet, weil er betrügerische Versicherungsansprüche eingereicht hatte.
C1 verb /ˈfɪdʒɪt/

fidget

sich unruhig bewegen, unruhig sein
Meaning
to make small movements, especially because of nervousness or impatience
Example
The child began to fidget during the long lecture.
Das Kind begann sich während der langen Vorlesung zu bewegen.
C1 noun /ˈfɛərˌɡraʊndz/

fairgrounds

Messegelände
Meaning
A designated area where fairs, exhibitions, and amusement events are held
Example
The town set up rides and stalls at the fairgrounds for the annual festival.
Die Stadt baute Fahrgeschäfte und Stände auf dem Messegelände für das jährliche Festival auf.
C1 noun /ˈfænsiər/

fancier

Züchter
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.
Er ist ein Züchter seltener Vögel.
C1 adjective /ˈfuːlpruːf/

foolproof

einwandfrei
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.
Die neue Software hat einen einwandfreien Installationsprozess.
C1 adjective /ˈflæɡɪŋ/

flagging

schwinden, erschöpfen oder weniger begeistert werden
Meaning
becoming tired, weaker, or less enthusiastic
Example
After hours of work, his energy was flagging.
Nach Stunden harter Arbeit ließ seine Energie nach.
C1 adjective /ˈfɪs.kəl/

fiscal

fiskal
Meaning
Relating to government revenue, especially taxes, or public money management.
Example
The government introduced new fiscal policies to control inflation.
Die Regierung hat neue fiskalische Politiken eingeführt, um die Inflation zu kontrollieren.
C1 adjective /ˌfɑːrˈfetʃt/

farfetched

unwahrscheinlich oder kaum wahrscheinlich
Meaning
unlikely to happen or be true; improbable
Example
His explanation for being late sounded farfetched.
Seine Erklärung, warum er zu spät kam, klang unvorstellbar.
C1 adjective /ˈfleɪɡrənt/

flagrant

offensichtlich und eindeutig falsch
Meaning
shockingly noticeable or evident; glaringly wrong
Example
It was a flagrant violation of the rules.
Es war ein klares Vergehen der Regeln.
C1 adjective /ˈfaɪə.ri/

Fiery

feurig; leidenschaftlich; hitzköpfig
Meaning
burning; passionate; hot-tempered; showing strong emotion
Example
She has a fiery temper that flares up quickly.
Sie hat ein feuriges Temperament, das schnell aufflammt.
C1 adjective /freɪl/

frail

zerbrechlich
Meaning
Physically weak and delicate.
Example
The old man was too frail to walk without help.
Der alte Mann war zu zerbrechlich, um ohne Hilfe zu gehen.
C1 adjective /ˈfliː.tɪŋ/

fleeting

flüchtig
Meaning
Lasting for a very short time; passing quickly.
Example
Happiness can be fleeting, so cherish every moment.
Das Glück kann flüchtig sein, also genieße jeden Moment.
C1 verb /ˈflʌtər/

flutter

flattern / zittern
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.
Der Schmetterling begann, seine Flügel in der Sonne zu flattern.
C1 noun /fɪˈdɛl.ɪ.ti/

fidelity

Treue
Meaning
Faithfulness to a person, cause, or belief, demonstrated by continuing loyalty and support.
Example
A dog's fidelity to its owner is unmatched.
Die Treue eines Hundes zu seinem Besitzer ist unübertroffen.
C1 noun (plural of fungus) /ˈfʌndʒaɪ/

fungi

Pilz
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.
Pilze spielen eine wichtige Rolle beim Abbau organischer Stoffe in der Natur.
C1 noun /ˈfɛləni/

felony

schweres Verbrechen
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.
Er wurde eines schweren Verbrechens für schuldig befunden und zu zehn Jahren Haft verurteilt.
C1 noun/verb ˈfɒr.ɪdʒ

forage

Futter, nach Nahrung suchen
Meaning
Food for horses and cattle, especially dried hay or feed; to search for food.
Example
Animals forage for food during the winter months.
Tiere suchen im Winter nach Nahrung.
C1 noun/verb /fliːs/

fleece

Schafwolle
Meaning
The woolly covering of a sheep; as a verb, to swindle or cheat someone.
Example
The farmer sheared the sheep’s fleece carefully.
Der Bauer schor das Schaf vorsichtig.
C1 verb /ˈfæbrɪkeɪt/

fabricate

erfinden
Meaning
to invent or concoct something, often with the intent to deceive; or to construct or manufacture
Example
The witness fabricated his testimony to protect himself.
Der Zeuge fabrizierte seine Aussage, um sich zu schützen.
C1 adjective /ˈfɑːð.ər.ləs/

fatherless

vaterlos
Meaning
without a father
Example
The fatherless child relied on the support of his community.
Das vaterlose Kind war auf die Unterstützung seiner Gemeinschaft angewiesen.
C1 verb /ˈflɪk.ər/

flicker

flackern
Meaning
to shine unsteadily or waver between light and dark
Example
The candle flickered in the wind.
Die Kerze flackerte im Wind.
C1 noun ˌfɜːr.tɪ.laɪˈzeɪ.ʃən

fertilization

düngung
Meaning
The process of adding nutrients to soil to increase crop productivity.
Example
Organic fertilization enhances soil health.
Organische Düngung verbessert die Bodenqualität.
C1 adjective /ˈfrɪdʒɪd/

Frigid

eiskalt; frostig
Meaning
extremely cold; freezing; icy
Example
The frigid weather made it difficult to go outside.
Das eiskalte Wetter erschwerte es, nach draußen zu gehen.
C1 noun/adjective /fɔːrˈboʊdɪŋ/

foreboding

ungutes Gefühl
Meaning
A feeling that something bad will happen; ominous.
Example
She felt a deep sense of foreboding as she entered the abandoned house.
Sie hatte ein tiefes Gefühl des Unheils, als sie das verlassene Haus betrat.
C1 noun /ˈfɪʃˌmʌŋ.ɡər/

fishmonger

fischhändler
Meaning
a person or store that sells fish
Example
I bought fresh salmon from the local fishmonger.
Ich habe frischen Lachs vom lokalen Fischhändler gekauft.
C1 noun /flʌks/

flux

Fluss
Meaning
continuous change or movement; the rate of flow of something
Example
The company was in a state of constant flux during the reorganization.
Das Unternehmen war während der Umstrukturierung in einem Zustand des ständigen Flusses.
C1 noun/adjective ˈflɛdʒ.lɪŋ

fledgling

Neuling, unerfahren, neu gegründet
Meaning
New, inexperienced, newly established.
Example
The fledgling startup needs investment.
Das neu gegründete Unternehmen benötigt Investitionen.
C1 noun /ˈfɔːrˌfɑːðər/

forefather

Ahne
Meaning
an ancestor, especially one who was part of an earlier generation of a family or nation
Example
Our forefathers fought for independence.
Unsere Ahnen kämpften für die Unabhängigkeit.
C1 noun /ˈfeɪvərɪtɪzəm/

favoritism

Lieblingsbehandlung
Meaning
the practice of giving unfair preferential treatment to one person or group
Example
The manager was accused of favoritism towards certain employees.
Der Manager wurde beschuldigt, gegenüber bestimmten Mitarbeitern Favoritismus zu zeigen.
C1 noun /fəˌsɪlɪˈteɪʃən/

facilitation

Erleichterung
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.
Ihre Erleichterung hat dazu beigetragen, dass das Treffen reibungslos verlief.
C1 verb /ˈfɔːltər/

falter

zögern oder an Stärke oder Schwung verlieren
Meaning
to hesitate or lose strength or momentum
Example
Her voice faltered as she delivered the speech.
Ihre Stimme stockte, als sie die Rede hielt.
C1 noun /ˌfɜːrmənˈteɪʃən/

fermentation

Fermentation, chemische Veränderung durch Hefe oder Bakterien
Meaning
a chemical process by which substances like sugar are converted into alcohol or acids using microorganisms
Example
The fermentation of grapes produces wine.
Die Fermentation von Trauben erzeugt Wein.
C1 adjective /ˈfiːzəbl/

feasible

machbar
Meaning
possible to do easily or conveniently; practical and workable
Example
It is feasible to complete the project within two months.
Es ist machbar, das Projekt in zwei Monaten abzuschließen.
C1 noun /ˈfɔːrˌθɔːt/

forethought

Voraussicht
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.
Mit ein wenig vorausschauendem Denken hätten wir das Problem vermeiden können.
C1 verb /flɪntʃ/

flinch

zurückzucken
Meaning
to suddenly move back or away due to fear or pain
Example
He didn’t flinch when the doctor gave him the injection.
Er zuckte nicht zurück, als der Arzt ihm die Spritze gab.
C1 noun /ˈfoʊliɪdʒ/

foliage

Laub
Meaning
The leaves of a plant, collectively.
Example
The autumn foliage looked stunning in the park.
Das Herbstlaub sah im Park atemberaubend aus.
C1 adjective /ˈfɔːrmətɪv/

formative

prägend
Meaning
Having a lasting influence on a person's development or character.
Example
Childhood is often described as a formative stage in life.
Die Kindheit wird oft als eine prägende Phase im Leben beschrieben.
C1 noun /ˈflɔː.rə/

flora

die Pflanzenwelt, die in einer bestimmten Region oder einem bestimmten Lebensraum zu finden ist
Meaning
The plant life found in a particular region or habitat.
Example
The Amazon rainforest is home to a vast flora diversity.
Der Amazonas-Regenwald ist Heimat einer großen Vielfalt an Flora.
C1 noun ˈfæl.ə.si

fallacy

Täuschung, Irrglaube, falsche Argumentation
Meaning
False belief, misconception, false reasoning.
Example
The idea that success comes easy is a fallacy.
Die Vorstellung, dass Erfolg einfach kommt, ist eine Täuschung.
C1 noun /ˈfɔːrmən/

foreman

Person, die eine Gruppe von Arbeitern leitet, insbesondere auf einer Baustelle oder in einer Fabrik
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.
Der Vorarbeiter beaufsichtigte die Arbeiter auf der Baustelle.
C1 adjective ˈfæʃ.ɪst

fascist

faschist
Meaning
Relating to or characteristic of fascism; extremely authoritarian.
Example
Fascist governance undermines freedom.
Faschistische Regierungsführung untergräbt die Freiheit.
C1 noun /ˈfɔːrˌbɛər/

forebear

Ahne
Meaning
An ancestor, especially one who lived a long time ago.
Example
He often speaks of his forebears with great respect.
Er spricht oft mit großem Respekt über seine Vorfahren.
C1 noun /ˈfʌŋɡəs/

fungus

pilz
Meaning
a spore-producing organism feeding on organic matter, including molds, yeast, and mushrooms
Example
A strange fungus was growing on the old tree.
Ein seltsamer Pilz wuchs auf dem alten Baum.
C1 noun /fɪlθ/

filth

Schmutz
Meaning
dirty or disgusting matter; moral corruption
Example
The streets were full of filth after the storm.
Die Straßen waren nach dem Sturm voller Schmutz.
C1 adjective /ˈfaɪ.naɪt/

Finite

begrenzt; endlich
Meaning
limited; having bounds or limits; not infinite
Example
Earth has finite natural resources.
Die Erde hat begrenzte natürliche Ressourcen.
C1 noun /ˈfjuː.də.lɪ.zəm/

feudalism

Feudalismus
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.
Feudalismus prägte die politische Struktur des mittelalterlichen Europas.
C1 adjective /ˈfræɡməntɪd/

fragmented

fragmentiert, geteilt, unvollständig
Meaning
Having been broken into fragments; disjointed or incomplete.
Example
The information was fragmented and difficult to understand.
Die Informationen waren fragmentiert und schwer zu verstehen.
C1 noun flɛər

flair

natürliches Talent
Meaning
A natural ability to do something well.
Example
She has a flair for design, always creating visually stunning work.
Sie hat ein Flair für Design und schafft immer visuell beeindruckende Arbeiten.
C1 verb, noun /ˈflʌstər/

fluster

verwirren
Meaning
to make someone agitated or confused
Example
The unexpected question flustered him.
Die unerwartete Frage verwirrte ihn.
C1 noun /ˈfɔːrdʒəri/

forgery

Fälschung
Meaning
the crime of making fake documents, money, or artworks
Example
The bank detected a forgery in the signature on the cheque.
Die Bank entdeckte eine Fälschung in der Unterschrift auf dem Scheck.
C1 adverb /ˈfɜː.vənt.li/

Fervently

mit Leidenschaft; leidenschaftlich;
Meaning
with passionate intensity; ardently; with great emotion or enthusiasm
Example
She fervently hoped that her dreams would come true.
Sie hoffte leidenschaftlich, dass ihre Träume wahr werden würden.
C1 noun /ˈfɔːrɡraʊnd/

foreground

Vordergrund
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.
Die Blumen im Vordergrund erhellten das Bild.
C1 noun /fəˈrɒs.ə.ti/

ferocity

Ferocity, Gewalt, Intensität
Meaning
The state or quality of being ferocious; extreme fierceness or violence.
Example
The storm's ferocity was devastating.
Die Ferocity des Sturms war verheerend.
C1 adjective + noun ˈfeɪvərəbəl klaɪˈmætɪk kənˈdɪʃənz

favorable climatic conditions

günstige klimatische Bedingungen
Meaning
Weather conditions that are suitable and beneficial for growth or development
Example
Winter offers favorable climatic conditions for farming.
Der Winter bietet günstige klimatische Bedingungen für die Landwirtschaft.
C1 noun /ˈfɛlən/

felon

Verbrecher
Meaning
a person who has committed a serious crime
Example
The felon was sentenced to ten years in prison.
Der Verbrecher wurde zu zehn Jahren Haft verurteilt.
C1 noun /ˈfɔːrwɜːrd/

foreword

Vorwort
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.
Das Vorwort des Buches wurde von einem berühmten Historiker geschrieben.
C1 verb /fɔːrˈʃædoʊ/

foreshadow

vorausahnen
Meaning
To indicate or suggest something that will happen in the future
Example
Dark clouds foreshadowed an approaching storm.
Dunkle Wolken deuteten auf einen bevorstehenden Sturm hin.
C1 verb /fret/

fret

sich sorgen
Meaning
to worry or be anxious; to be troubled
Example
Don't fret about the exam results.
Mach dir keine Sorgen über die Prüfungsergebnisse.
C1 noun ˈfɜːr.vɚ

fervor

Leidenschaft oder Begeisterung
Meaning
Strong passion or enthusiasm for something.
Example
He spoke with great fervor about his vision for the company.
Er sprach mit großer Leidenschaft über seine Vision für das Unternehmen.
C1 adjective/noun /fəˈrɛns.ɪk/

forensic

Wissenschaftliche Analyse, die auf kriminelle oder rechtliche Angelegenheiten angewendet wird
Meaning
Scientific analysis applied to criminal or legal matters
Example
Forensic experts analyze cybercrimes using advanced tools.
Forensische Experten analysieren Cyberkriminalität mit fortschrittlichen Werkzeugen.
C1 adjective /ˈfeɪl.seɪf/

fail-safe

fehlersicher
Meaning
designed to prevent failure or accidents; guaranteed to work correctly
Example
The engineers installed a fail-safe mechanism in the nuclear plant.
Die Ingenieure installierten einen fehlersicheren Mechanismus im Kernkraftwerk.
C1 adjective /ˈflɪmzi/

flimsy

zerbrechlich
Meaning
weak, fragile, or lacking in strength; not convincing
Example
The chair was too flimsy to support his weight.
Der Stuhl war zu zerbrechlich, um sein Gewicht zu tragen.
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.
Er eröffnete eine neue Fast-Food-Franchise in der Stadt.
C1 noun /fruˈɪʃən/

fruition

Verwirklichung
Meaning
The realization or fulfillment of a plan, project, or desire.
Example
Her dream of becoming a doctor finally came to fruition.
Ihr Traum, Ärztin zu werden, wurde endlich verwirklicht.
C1 noun /ˈfɪɡjərˌhɛd/

figurehead

Scheinführer
Meaning
a nominal leader with no real power; a symbolic head
Example
The king was merely a figurehead with no real authority.
Der König war nur eine symbolische Führungskraft ohne echte Autorität.
C1 adjective /ˌfʊl ˈbɒd.id/

full-bodied

vollmundig
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.
Er bevorzugt einen vollmundigen Rotwein zu seinem Abendessen.
C1 adjective /ˈfɛrəl/

feral

wild
Meaning
existing in a wild or untamed state; not domesticated
Example
The feral cat roamed the streets at night.
Die wilde Katze streifte nachts durch die Straßen.
C1 adjective /ˈfɔːrsəbl/

forcible

zwangsweise
Meaning
Done by force; using physical strength or power.
Example
The police made a forcible entry into the house.
Die Polizei führte einen gewaltsamen Eintritt ins Haus durch.
C1 verb /fɔːrˈɡoʊ/

forego

verzichten
Meaning
to decide not to do or have something pleasant or valuable
Example
She decided to forego dessert to maintain her diet.
Sie entschied sich, auf Dessert zu verzichten, um ihre Diät aufrechtzuerhalten.
C1 verb /flaʊt/

flout

missachten
Meaning
To openly disregard or show contempt for a rule or law.
Example
The company was fined for flouting environmental regulations.
Das Unternehmen wurde mit einer Geldstrafe belegt, weil es gegen Umweltvorschriften verstoßen hat.
C1 verb /fɔːrˈseɪk/

forsake

verlassen
Meaning
to abandon or give up something or someone
Example
He decided not to forsake his old friends despite his success.
Er entschloss sich, seine alten Freunde trotz seines Erfolgs nicht zu verlassen.
C1 noun /faɪˈnælɪti/

finality

Endgültigkeit
Meaning
the quality of being final or irreversible; a sense of conclusiveness
Example
The judge's decision gave the case a sense of finality.
Die Entscheidung des Richters gab dem Fall ein Gefühl der Endgültigkeit.
C1 noun /ˈfɔː.nə/

fauna

die Tierwelt einer bestimmten Region
Meaning
The animal life of a particular region, habitat, or geological period.
Example
The fauna of the African savannah includes lions and elephants.
Die Fauna der afrikanischen Savanne umfasst Löwen und Elefanten.
C1 noun /fruːˈɡæl.ə.ti/

frugality

Frugalität
Meaning
The quality of being economical in use or expenditure; not wasteful.
Example
Frugality is essential for saving money effectively.
Frugalität ist entscheidend, um effektiv Geld zu sparen.
C1 verb /fɔːrˈkloʊz/

foreclose

verpfänden
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.
Die Bank entschied sich, die Immobilie nach Monaten versäumter Zahlungen zu verpfänden.
C1 noun /ˈfjʊərɔːr/

furor

Aufruhr
Meaning
An outbreak of public anger or excitement.
Example
The politician's remarks created a furor in the media.
Die Bemerkungen des Politikers verursachten einen Furor in den Medien.
C1 noun /frɪˈvɒləti/

frivolity

Frivolität
Meaning
Lack of seriousness; silly or trivial behavior.
Example
The teacher discouraged frivolity during the exam.
Der Lehrer hat die Frivolität während der Prüfung entmutigt.
C1 noun ˌfɔːtɪfɪˈkeɪʃn

fortification

Befestigung
Meaning
A defensive wall or other reinforcement built to strengthen a place against attack.
Example
The fortifications protected the city.
Die Befestigungen schützten die Stadt.
C1 noun /ˈflæt.ər.i/

Flattery

Schmeichelei
Meaning
excessive and insincere praise, given especially to further one's own interests
Example
His constant flattery made everyone suspicious of his true motives.
Seine ständige Schmeichelei ließ alle an seinen wahren Absichten zweifeln.
C1 noun /ˈfaɪər.wɔːl/

firewall

Firewall
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.
Eine Firewall schützt Netzwerke vor Cyberangriffen.
C1 adjective /ˈfiːlaɪn/

feline

katzenartig
Meaning
relating to or characteristic of cats
Example
Her movements were graceful and almost feline in their elegance.
Ihre Bewegungen waren anmutig und fast katzenartig in ihrer Eleganz.
C1 adjective /frəˈtɜːrnəl/

fraternal

brüderlich
Meaning
Relating to brothers or brotherhood; friendly and supportive.
Example
The two nations maintain a fraternal relationship.
Die beiden Nationen pflegen eine brüderliche Beziehung.
C1 verb /fɔːˈbɛər/

forbear

sich enthalten
Meaning
To refrain from doing something; to show patience or self-control.
Example
She forbore from commenting on his mistake.
Sie hielt sich zurück, seinen Fehler zu kommentieren.
C1 noun /ˈfæk.ʃən/

Faction

Fraktion
Meaning
a small organized dissenting group within a larger one
Example
Different factions within the party disagreed about the new policy.
Verschiedene Fraktionen innerhalb der Partei waren sich über die neue Politik uneinig.
C1 adverb /ˈfɪksɪdli/

Fixedly

fest
Meaning
in a steady, unmoving manner; with intense concentration
Example
He stared fixedly at the painting.
Er starrte fest auf das Gemälde.
C1 noun /ˈfoʊ.kəs ˈtræk.ɪŋ/

focus tracking

Fokusverfolgung
Meaning
A technique of monitoring and maintaining attention on specific tasks or goals.
Example
Proper focus tracking improves productivity.
Richtige Fokusverfolgung steigert die Produktivität.
C1 noun /fjuːd/

feud

Streit, Feindschaft
Meaning
a prolonged and bitter quarrel or conflict, often between families or groups
Example
The two families have been in a feud for generations.
Die beiden Familien sind seit Generationen in einem Streit.
C1 verb /ˈfʌmbəl/

fumble

verpatzen
Meaning
to handle something clumsily or to make mistakes while doing something
Example
He fumbled with the keys and dropped them on the floor.
Er fummelte mit den Schlüsseln und ließ sie auf den Boden fallen.
C1 noun /ˈfrek.əl/

Freckle

Sommersprosse
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.
Ihr Gesicht war bedeckt mit süßen Sommersprossen, die jedes Jahr im Sommer auftauchten.
C1 noun ˌfiː.zəˈbɪl.ə.ti

feasibility

Machbarkeit
Meaning
The state or degree of being easily or conveniently done; possibility.
Example
The company conducted a feasibility study before launching the project.
Das Unternehmen führte eine Machbarkeitsstudie durch, bevor es das Projekt startete.
C1 noun/verb /freɪ/

fray

Streit, abnutzen
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.
Er versuchte ruhig zu bleiben, aber seine Nerven begannen sich während des Streits abzunutzen.
C1 noun/verb /ˈfʌrəʊ/

furrow

furche
Meaning
A long narrow trench made in the ground by a plow; to make wrinkles or grooves.
Example
The farmer plowed furrows in the field.
Der Bauer pflügte Furrows auf dem Feld.
C1 verb /ˈfɜːrmɛnt/

ferment

einen chemischen Prozess durchlaufen, bei dem Zucker in Alkohol oder Säure umgewandelt wird; Veränderungen anregen oder hervorrufen
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.
Die Trauben werden für mehrere Wochen fermentiert.
C1 adjective, adverb (informal, vulgar) /ˈfʌkɪŋ/

fucking

verdammt (vulgäres Wort zur Betonung)
Meaning
used for emphasis, often expressing anger or frustration (vulgar slang)
Example
It was a fucking disaster!
Es war eine verdammte Katastrophe!
C1 noun, verb /fɔːrd/

ford

Bohl
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.
Die Reisenden entschieden sich, den Fluss bei einem Bohl zu überqueren.
C1 verb /flɑp/

flop

Flop
Meaning
to fall or move heavily and clumsily; to fail completely
Example
The new movie flopped at the box office.
Der neue Film floppt an der Kinokasse.
C1 noun /ˈfæs.ɪt/

facet

Fassade, Aspekt, Teil
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.
Jeder Aspekt des Projekts wurde sorgfältig analysiert.
C1 noun /fɔːrˈkloʊʒər/

foreclosure

Zwangsvollstreckung
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.
Die Familie verlor ihr Zuhause aufgrund der Zwangsvollstreckung, nachdem sie mehrere Hypothekenzahlungen versäumt hatte.
C1 noun /fiˈæs.koʊ/

fiasco

totaler Misserfolg
Meaning
a complete failure, especially a ludicrous or humiliating one
Example
The event turned into a complete fiasco due to poor planning.
Das Event verwandelte sich aufgrund schlechter Planung in einen totalen Misserfolg.
C1 noun /ˈfɪʃ.ər/

fissure

Riss
Meaning
a long, narrow opening or crack in a surface or object
Example
The earthquake caused a deep fissure in the road.
Das Erdbeben verursachte einen tiefen Riss auf der Straße.
C1 adjective /ˈfruːt.ləs/

Fruitless

fruchtlos; vergeblich; nutzlos;
Meaning
unsuccessful; futile; pointless;
Example
After hours of searching, their efforts proved fruitless.
Nach Stunden der Suche erwiesen sich ihre Bemühungen als fruchtlos.
C1 adjective /fəˈnætɪkəl/

fanatical

fanatisch
Meaning
showing extreme enthusiasm or obsession
Example
She has a fanatical interest in collecting vintage stamps.
Sie hat ein fanatisches Interesse am Sammeln von alten Briefmarken.
C1 noun /fæd/

fad

vorübergehende Mode, Trend
Meaning
a temporary fashion or trend; a short-lived craze
Example
The new diet became a popular fad among teenagers.
Die neue Diät wurde ein vorübergehender Trend unter Teenagern.
C1 verb /ˈfɛdərət/

federate

federieren
Meaning
to unite in a league or federation; to form an alliance
Example
Several states federated to create a stronger union.
Mehrere Staaten haben sich vereint, um eine stärkere Union zu schaffen.
C1 noun /ˈfɔɪeɪr/

foyer

Eingangshalle
Meaning
An entrance hall or lobby in a building.
Example
The guests waited in the hotel foyer before checking in.
Die Gäste warteten in der Hotellobby, bevor sie eincheckten.
C1 noun /ˈfoʊk.lɔːr/

folk-lore

Volksmärchen
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.
Deutsche Volksmärchen sind reich an Mythen und Legenden.
C1 verb /fɔːrˈɡoʊ/

forgo

verzichten
Meaning
to decide not to do or have something
Example
She decided to forgo dessert to maintain her diet.
Sie entschied sich, auf das Dessert zu verzichten, um ihre Diät beizubehalten.
C1 noun /ˈfɔːreɪ/

foray

Vorstoß / erster Versuch
Meaning
A sudden short attack or attempt, especially into new activity or territory.
Example
The company made its first foray into the international market.
Das Unternehmen machte seinen ersten Vorstoß in den internationalen Markt.
C1 adjective /fəˈroʊ.ʃəs/

Ferocious

wild, grausam, heftig
Meaning
savagely fierce, cruel, or violent; extremely aggressive
Example
The ferocious storm destroyed many houses in the coastal area.
Der wilde Sturm zerstörte viele Häuser in der Küstenregion.
C1 adverb /ˈfeɪ.təl.i/

Fatally

tödlich
Meaning
in a way that causes death; with deadly consequences; critically
Example
The accident fatally injured two passengers.
Der Unfall verletzte zwei Passagiere tödlich.
C1 noun, verb /ˈfɛrɪt/

ferret

Frettchen, etwas hartnäckig suchen oder entdecken
Meaning
a small domesticated animal used for hunting; to search or uncover something persistently
Example
He ferreted out the hidden documents.
Er hat die versteckten Dokumente herausgefunden.
C1 adjective /fəˈnætɪk/

Fanatic

fanatisch
Meaning
extremely passionate about something; showing excessive enthusiasm or devotion
Example
He is a fanatic supporter of his football team.
Er ist ein fanatischer Anhänger seines Fußballteams.
C1 noun ˌflʌk.tʃuˈeɪ.ʃən

fluctuation

Schwankung
Meaning
An irregular rising and falling in number or amount; a variation.
Example
The stock market experiences frequent fluctuation.
Der Aktienmarkt erlebt häufige Schwankungen.
C1 noun /ˈfɒdər/

fodder

Futter
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.
Der Bauer lagerte genug Futter, damit das Vieh den Winter überstehen konnte.
C1 noun /fiːt/

feat

Leistung
Meaning
an achievement that requires great courage, skill, or strength
Example
Climbing Mount Everest was a remarkable feat.
Der Aufstieg zum Mount Everest war eine bemerkenswerte Leistung.
C1 noun /fɪˈnɑːleɪ/

finale

Finale
Meaning
the last part or conclusion of a performance, event, or series
Example
The concert ended with a spectacular finale.
Das Konzert endete mit einem spektakulären Finale.
C1 adjective /ˈfrɪvələs/

frivolous

frivol
Meaning
Not having any serious purpose or value; silly or unimportant.
Example
She dismissed the frivolous complaint quickly.
Sie wies die frivole Beschwerde schnell zurück.
C1 noun /ˈfaɪərɑːm/

firearm

Feuerwaffe
Meaning
a weapon capable of firing a projectile using gunpowder or other propellant
Example
The police found a hidden firearm during the investigation.
Die Polizei fand während der Untersuchung eine versteckte Feuerwaffe.
C1 noun /fəˈtæləti/

fatality

Tödlichkeit
Meaning
An occurrence of death by accident, disaster, or violence.
Example
The accident resulted in one fatality.
Der Unfall führte zu einer Tödlichkeit.