firewall
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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 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 /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 adjective /ˈfruː.ɡəl/

Frugal

sparsam; wirtschaftlich
Meaning
economical; thrifty;
Example
She is very frugal and saves money by buying only necessary items.
Sie ist sehr sparsam und spart Geld, indem sie nur notwendige Artikel kauft.
C1 noun /fɔːrˈmæl.ə.ti/

Formality

Formalität
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.
Die Unterzeichnung des Vertrags war nur eine Formalität; der Deal war bereits vereinbart.
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 verb /feɪn/

feign

vortäuschen, simulieren
Meaning
to pretend or fake; to give a false appearance of
Example
She feigned illness to avoid going to work.
Sie täuschte Krankheit vor, um nicht zur Arbeit zu gehen.
C1 noun /ˈfren.zi/

Frenzy

raserei
Meaning
a state or period of uncontrolled excitement or wild behavior; intense activity
Example
The announcement of the sale created a shopping frenzy at the mall.
Die Verkaufsankündigung löste einen Einkaufstrubel im Einkaufszentrum aus.
C1 noun /ˈfreɪlti/

frailty

Zerbrechlichkeit
Meaning
The condition of being weak, delicate, or easily broken.
Example
Old age often comes with physical frailty.
Das Alter kommt oft mit körperlicher Zerbrechlichkeit.
C1 noun /ˈfʊtˌnoʊt/

foot-note

Fußnote
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.
Der Autor fügte eine Fußnote hinzu, um den historischen Kontext zu erklären.
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 /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 /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 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 /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 /ˈfɔːlsɪfaɪ/

falsify

fälschen
Meaning
to make something false or to misrepresent
Example
He tried to falsify the documents to avoid taxes.
Er versuchte, die Dokumente zu fälschen, um Steuern zu vermeiden.
C1 adjective ˈfɔːr.mɪ.də.bəl

formidable

furchterregend
Meaning
Inspiring fear or respect through being impressively large, powerful, intense, or capable.
Example
The boxer was a formidable opponent in the ring.
Der Boxer war ein furchterregender Gegner im Ring.
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 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, 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 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 noun /fɪkˈseɪ.ʃən/

fixation

Fixierung oder obsessives Interesse an etwas oder jemandem
Meaning
An obsessive interest in or feeling about someone or something.
Example
His fixation on perfectionism delayed project completion.
Seine Fixierung auf Perfektionismus verzögerte den Abschluss des Projekts.
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 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 /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 noun /ˈfɔːr.tɪ.tjuːd/

fortitude

Festigkeit
Meaning
Courage in pain or adversity; mental and emotional strength in facing difficulty.
Example
She faced adversity with great fortitude.
Sie hat die Widrigkeiten mit großer Stärke bewältigt.
C1 noun /ˈfjuː.tʃə.rɪst/

futurist

Futurist
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.
Der Futurist sagte große Veränderungen im Verkehr im nächsten Jahrzehnt voraus.
C1 verb/noun ˈfæð.əm

fathom

verstehen
Meaning
To understand after much thought; to measure the depth of water; to comprehend.
Example
It is difficult to fathom the depths of the ocean.
Es ist schwer, die Tiefen des Ozeans zu verstehen.
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 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 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 noun /frɪndʒ/

fringe

Dekorative Kante / Rand
Meaning
A decorative border of threads; the outer edge or margin of something.
Example
The festival had a fringe of small independent performances.
Das Festival hatte einen Rand kleiner unabhängiger Darbietungen.
C1 noun fluˈɪd.ɪ.ti

fluidity

Flüssigkeit
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.
Die Flüssigkeit der Bewegungen der Tänzerin war hypnotisierend.
C1 noun /frəˈdʒɪl.ɪ.ti/

fragility

Zerbrechlichkeit
Meaning
The quality of being fragile; delicateness.
Example
The cornea's fragility increases with rubbing.
Die Zerbrechlichkeit der Hornhaut nimmt durch Reiben zu.
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 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 /ˈfɔːrdʒər/

forger

Fälscher
Meaning
a person who makes fake documents, artworks, or signatures
Example
The police arrested a forger who had been selling counterfeit paintings.
Die Polizei hat einen Fälscher verhaftet, der gefälschte Gemälde verkauft hatte.
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 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 /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 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 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 /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 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 /ˈflʌstərd/

flustered

verwirrt
Meaning
in a state of confusion or agitation
Example
She appeared flustered after being asked so many questions.
Sie schien nach so vielen Fragen verwirrt zu sein.
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 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 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 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 /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 noun /ˈflæn.əl/

Flannel

Flanell
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.
Er trug ein warmes Flanellhemd im Winter.
C1 noun /flæt fɪʃ/

Flat fish

Plattfisch
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.
Plattfische wie Seezunge und Flunder sind ausgezeichnet zum Grillen.
C1 adjective /ˈfɔːrθˌraɪt/

forthright

direkt
Meaning
Direct and honest in speech or behavior; straightforward.
Example
She was forthright in her criticism of the policy.
Sie war direkt in ihrer Kritik an der Politik.
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 /ˈfɔːrˌbɛərz/

forebears

Ahnen
Meaning
Ancestors or people in previous generations from whom one is descended.
Example
We must honor the traditions of our forebears.
Wir müssen die Traditionen unserer Ahnen ehren.
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 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 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 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 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 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 noun ˈfɔː.saɪt

foresight

Voraussicht
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.
Seine Voraussicht half dem Unternehmen, finanzielle Verluste zu vermeiden.
C1 noun /foʊ/

foe

Feind
Meaning
an enemy or opponent
Example
The knight fought bravely against his foe.
Der Ritter kämpfte tapfer gegen seinen Feind.
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 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 ˌfræɡ.mənˈteɪ.ʃən

fragmentation

Fragmentierung
Meaning
The process or state of breaking or being broken into fragments.
Example
Habitat fragmentation threatens many species.
Die Fragmentierung des Lebensraums bedroht viele Arten.
C1 adjective ˈfjuː.taɪl

futile

vergeblich
Meaning
Incapable of producing any useful result; pointless.
Example
His attempts to change the situation were futile.
Seine Versuche, die Situation zu ändern, waren vergeblich.
C1 verb /fɔːrˈtɛl/

foretell

vorhersagen
Meaning
to predict or announce something before it happens
Example
The old man claimed he could foretell the future.
Der alte Mann behauptete, er könne die Zukunft vorhersagen.
C1 noun /ˈfɔːr.teɪ/ or /fɔːrt/

forte

Stärke
Meaning
a strong ability or talent; something one does particularly well
Example
Cooking is definitely her forte.
Kochen ist definitiv ihre Stärke.
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 noun /ˈfæm.ɪn/

Famine

Hungersnot
Meaning
extreme scarcity of food; a period when food is extremely scarce
Example
The severe drought led to widespread famine in the region.
Die schwere Dürre führte zu einer weit verbreiteten Hungersnot in der Region.
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 adjective fæsˈtɪd.i.əs

fastidious

pedantisch
Meaning
Very attentive to and concerned about accuracy and detail.
Example
She is fastidious about maintaining cleanliness.
Sie ist pedantisch, was die Sauberkeit betrifft.
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 adjective /ˈflæʃi/

flashy

auffällig, protzig
Meaning
ostentatious or showy in a way that attracts attention
Example
He drove a flashy sports car through the city streets.
Er fuhr ein auffälliges Sportwagen durch die Straßen der Stadt.
C1 adjective /ˈfænsiːd/

fancied

eingebildet, gewünscht
Meaning
imagined, desired, or believed without evidence
Example
He is a fancied suitor in the eyes of the young lady.
Er ist ein eingebildeter Verehrer in den Augen der jungen Dame.
C1 noun /ˈfɔːls.hʊd/

Falsehood

Falschheit; Lüge
Meaning
the state of being untrue; a lie
Example
The politician was caught spreading falsehoods about his opponent.
Der Politiker wurde dabei erwischt, Lügen über seinen Gegner zu verbreiten.
C1 noun /ˈfjuː.dʒə.tɪv/

Fugitive

Flüchtiger
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.
Die Polizei startete eine Großfahndung, um den Flüchtigen zu fassen, der aus dem Gefängnis entkommen war.
C1 adjective /frɔːt/

fraught

beladen
Meaning
Filled with or likely to result in something undesirable.
Example
The negotiations were fraught with tension and uncertainty.
Die Verhandlungen waren beladen mit Spannung und Ungewissheit.
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 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 adjective /ˈfiːbl/

feeble

schwach, kraftlos
Meaning
lacking physical strength or vigor; weak
Example
After the illness, she felt too feeble to stand.
Nach der Krankheit fühlte sie sich zu schwach, um aufzustehen.
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 /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 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 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, 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 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 adjective /ˈfɪɡərətɪv/

figurative

bildlich
Meaning
not literal; using figures of speech or symbolic representation
Example
She used figurative language to describe her feelings.
Sie verwendete bildliche Sprache, um ihre Gefühle zu beschreiben.
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 /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 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 ˈflɔː.rə ænd ˈfɔː.nə

flora and fauna

Flora und Fauna
Meaning
The plants and animals of a particular region, habitat, or geological period.
Example
The Galápagos Islands have unique flora and fauna.
Die Galápagos-Inseln haben eine einzigartige Flora und Fauna.
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 verb /ˈflaʊndər/

flounder

torkeln
Meaning
To struggle or stagger clumsily; to experience difficulty or confusion.
Example
He floundered in the interview when asked difficult questions.
Er taumelte im Interview, als ihm schwierige Fragen gestellt wurden.
C1 noun /ˈfræk.tʃər/

Fracture

Fraktur; Knochenbruch
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.
Der Arzt bestätigte, dass er einen Haarriss in seinem Handgelenk hatte.
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 /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.
C1 adjective /frəˈnɛtɪk/

frenetic

hektisch
Meaning
Fast and energetic in a wild or uncontrolled way.
Example
The stock market experienced frenetic trading after the announcement.
Der Aktienmarkt erlebte nach der Ankündigung hektischen Handel.
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 /fɪˈnɛs/

finesse

Finesse, Geschicklichkeit, Raffinesse
Meaning
Subtlety and skill; refinement and delicacy in performance or artistry.
Example
The artist painted with great finesse.
Der Künstler malte mit großer Finesse.
C1 noun /fɔːn/

Fawn

Rehkitz
Meaning
a young deer; a light yellowish-brown color
Example
The mother deer protects her fawn from predators.
Das Mutterreh schützt ihr Rehkitz vor Raubtieren.
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 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 /ˈfiːtəs/

fetus

Fötus
Meaning
an unborn or unhatched offspring in the womb or egg
Example
The doctor explained the development of the fetus during pregnancy.
Der Arzt erklärte die Entwicklung des Fötus während der Schwangerschaft.
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 noun /ˌfæb.rɪˈkeɪ.ʃən/

fabrication

falsche Erfindung
Meaning
The invention of false or misleading information; a lie or falsehood.
Example
The article was full of fabrication and misleading claims.
Der Artikel war voller falscher Erfindung und irreführender Ansprüche.
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 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 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 fɔːlt ˈtɒl.ər.əns

fault-tolerance

Fehlertoleranz
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.
Fehlertoleranz sorgt für zuverlässige Systeme.
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 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 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/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 /ˈfɔːrtɪˌfaɪ/

fortify

verstärken
Meaning
To strengthen a place, person, or thing physically or mentally.
Example
They fortified the city walls to protect against invasion.
Sie haben die Stadtmauern verstärkt, um sich gegen eine Invasion zu schützen.
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 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 adjective ˈflʌd proʊn

flood-prone

flutgefährdet
Meaning
Susceptible to flooding; likely to experience floods frequently.
Example
Bangladesh is a flood-prone deltaic nation.
Bangladesch ist eine flutgefährdete deltaische Nation.
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.