farfetched
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C1 adjective /ˌfɑːrˈfetʃt/

farfetched

improbable o poco probable
Meaning
unlikely to happen or be true; improbable
Example
His explanation for being late sounded farfetched.
Su explicación para llegar tarde sonaba inverosímil.
C1 noun /ˈfɔːrsəm/

foursome

cuatro personas o cosas
Meaning
a group of four people or things, especially in games or social activities
Example
The foursome enjoyed a game of golf together.
El cuarteto disfrutó de un juego de golf juntos.
C1 adjective /ˈfænsiːd/

fancied

imaginado, deseado
Meaning
imagined, desired, or believed without evidence
Example
He is a fancied suitor in the eyes of the young lady.
Él es un pretendiente imaginado a los ojos de la joven.
C1 adjective /ˌfɑːrˈfɛtʃt/

far-fetched

increíble
Meaning
unlikely to happen or be true; improbable
Example
His explanation for being late was a bit far-fetched.
Su explicación por llegar tarde era un poco increíble.
C1 verb /ˈfɜːrmɛnt/

ferment

someterse a un proceso químico donde los azúcares se convierten en alcohol o ácido; incitar o agitar el cambio
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.
Las uvas se dejan fermentar durante varias semanas.
C1 adjective /ˈfɪɡərətɪv/

figurative

figurado
Meaning
not literal; using figures of speech or symbolic representation
Example
She used figurative language to describe her feelings.
Ella usó lenguaje figurado para describir sus sentimientos.
C1 noun /ˈfɪʃ.ər/

fissure

fisura
Meaning
a long, narrow opening or crack in a surface or object
Example
The earthquake caused a deep fissure in the road.
El terremoto causó una fisura profunda en la carretera.
C1 adjective ˈflʌd proʊn

flood-prone

propenso a inundaciones
Meaning
Susceptible to flooding; likely to experience floods frequently.
Example
Bangladesh is a flood-prone deltaic nation.
Bangladesh es una nación deltaica propensa a inundaciones.
C1 noun /ˈfæm.ɪn/

Famine

hambruna
Meaning
extreme scarcity of food; a period when food is extremely scarce
Example
The severe drought led to widespread famine in the region.
La grave sequía provocó una hambruna generalizada en la región.
C1 noun/verb ˈfɒr.ɪdʒ

forage

forraje, buscar comida
Meaning
Food for horses and cattle, especially dried hay or feed; to search for food.
Example
Animals forage for food during the winter months.
Los animales forrajean para buscar comida durante los meses de invierno.
C1 adjective /ˈfaɪə.ri/

Fiery

ardiente; apasionado; temperamental
Meaning
burning; passionate; hot-tempered; showing strong emotion
Example
She has a fiery temper that flares up quickly.
Ella tiene un temperamento ardiente que se enciende rápidamente.
C1 adjective /freɪl/

frail

débil
Meaning
Physically weak and delicate.
Example
The old man was too frail to walk without help.
El anciano estaba demasiado débil para caminar sin ayuda.
C1 noun /ˈfænsiər/

fancier

aficionado
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.
Él es un aficionado a las aves raras.
C1 noun /ˈfɔːrˌbɛər/

forebear

antepasado
Meaning
An ancestor, especially one who lived a long time ago.
Example
He often speaks of his forebears with great respect.
Él habla a menudo de sus antepasados con mucho respeto.
C1 adjective /ˈfræɡməntɪd/

fragmented

fragmentado, dividido, incompleto
Meaning
Having been broken into fragments; disjointed or incomplete.
Example
The information was fragmented and difficult to understand.
La información estaba fragmentada y era difícil de entender.
C1 noun /flʌks/

flux

flujo
Meaning
continuous change or movement; the rate of flow of something
Example
The company was in a state of constant flux during the reorganization.
La empresa estaba en un estado de flujo constante durante la reorganización.
C1 adjective /ˈfiːzəbl/

feasible

factible
Meaning
possible to do easily or conveniently; practical and workable
Example
It is feasible to complete the project within two months.
Es factible completar el proyecto dentro de dos meses.
C1 adjective, adverb (informal, vulgar) /ˈfʌkɪŋ/

fucking

maldito (palabra vulgar para énfasis)
Meaning
used for emphasis, often expressing anger or frustration (vulgar slang)
Example
It was a fucking disaster!
¡Fue un maldito desastre!
C1 noun /fəˈsɑːd/

facade

fachada
Meaning
The front of a building; a false or superficial appearance
Example
The building's glass facade reflected the sunset.
La fachada de vidrio del edificio reflejaba el atardecer.
C1 noun ˌfræɡ.mənˈteɪ.ʃən

fragmentation

fragmentación
Meaning
The process or state of breaking or being broken into fragments.
Example
Habitat fragmentation threatens many species.
La fragmentación del hábitat amenaza a muchas especies.
C1 adjective /ˈflʌstərd/

flustered

desconcertado
Meaning
in a state of confusion or agitation
Example
She appeared flustered after being asked so many questions.
Ella parecía desconcertada después de tantas preguntas.
C1 verb /ˈfɔːlsɪfaɪ/

falsify

falsificar
Meaning
to make something false or to misrepresent
Example
He tried to falsify the documents to avoid taxes.
Él trató de falsificar los documentos para evitar impuestos.
C1 verb /ˈfɜːr.tɪ.laɪz/

fertilize

fertilizar
Meaning
to make soil or land more fertile by adding substances
Example
Farmers fertilize the fields to increase crop yield.
Los agricultores fertilizan los campos para aumentar la cosecha.
C1 verb /fɔːrˈkloʊz/

foreclose

embargar
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.
El banco decidió embargar la propiedad después de meses de pagos perdidos.
C1 noun /ˈfɔː.nə/

fauna

la vida animal de una región específica
Meaning
The animal life of a particular region, habitat, or geological period.
Example
The fauna of the African savannah includes lions and elephants.
La fauna de la sabana africana incluye leones y elefantes.
C1 adjective /ˈfɔːrmətɪv/

formative

formativo
Meaning
Having a lasting influence on a person's development or character.
Example
Childhood is often described as a formative stage in life.
La infancia a menudo se describe como una etapa formativa en la vida.
C1 noun /foʊ/

foe

enemigo
Meaning
an enemy or opponent
Example
The knight fought bravely against his foe.
El caballero luchó valientemente contra su enemigo.
C1 noun /ˈfɔɪeɪr/

foyer

vestíbulo
Meaning
An entrance hall or lobby in a building.
Example
The guests waited in the hotel foyer before checking in.
Los huéspedes esperaron en el vestíbulo del hotel antes de registrarse.
C1 noun /fɔːn/

Fawn

cervatillo
Meaning
a young deer; a light yellowish-brown color
Example
The mother deer protects her fawn from predators.
La cierva protege a su cervatillo de los depredadores.
C1 adjective /ˈfiːbl/

feeble

débil, flojo
Meaning
lacking physical strength or vigor; weak
Example
After the illness, she felt too feeble to stand.
Después de la enfermedad, se sintió demasiado débil para levantarse.
C1 verb /fɔːrˈɡoʊ/

forego

renunciar
Meaning
to decide not to do or have something pleasant or valuable
Example
She decided to forego dessert to maintain her diet.
Ella decidió renunciar al postre para mantener su dieta.
C1 verb /ˈfɛdərət/

federate

federar
Meaning
to unite in a league or federation; to form an alliance
Example
Several states federated to create a stronger union.
Varios estados se federaron para crear una unión más fuerte.
C1 adjective /ˈflɪmzi/

flimsy

débil
Meaning
weak, fragile, or lacking in strength; not convincing
Example
The chair was too flimsy to support his weight.
La silla era demasiado débil para soportar su peso.
C1 verb /fɔːrˈtɛl/

foretell

predecir
Meaning
to predict or announce something before it happens
Example
The old man claimed he could foretell the future.
El anciano afirmó que podía predecir el futuro.
C1 noun /ˈfren.zi/

Frenzy

frenesí
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.
El anuncio de la venta creó una locura de compras en el centro comercial.
C1 noun /ˈfʊtˌnoʊt/

foot-note

nota al pie
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.
El autor incluyó una nota al pie para explicar el contexto histórico.
C1 verb, noun /ˈflʌstər/

fluster

confundir
Meaning
to make someone agitated or confused
Example
The unexpected question flustered him.
La pregunta inesperada lo confundió.
C1 noun fɔːlt ˈtɒl.ər.əns

fault-tolerance

tolerancia a fallos
Meaning
The ability of a system to continue operating properly in the event of the failure of some of its components.
Example
Fault-tolerance ensures dependable systems.
La tolerancia a fallos asegura sistemas confiables.
C1 adjective /ˈfɜːrtɪv/

furtive

furtivo
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.
Él echó una mirada furtiva a la puerta antes de salir.
C1 adjective /ˈfɪk.əl/

Fickle

inconstante; volátil; cambiante;
Meaning
changeable; inconstant; liable to sudden unpredictable change
Example
His fickle nature made it hard to trust his promises.
Su naturaleza inconstante hizo que fuera difícil confiar en sus promesas.
C1 adjective /ˈfæn.sɪ.fəl/

fanciful

fantasioso, irreal
Meaning
overimaginative, unrealistic, or whimsical
Example
The story was too fanciful to be true.
La historia era demasiado fantasiosa para ser cierta.
C1 noun /fɪˈnænʃɪər/

financier

financista
Meaning
a person who manages large amounts of money or investments
Example
The financier advised the company on its investments.
El financista asesoró a la empresa sobre sus inversiones.
C1 noun /ˈfoʊliɪdʒ/

foliage

follaje
Meaning
The leaves of a plant, collectively.
Example
The autumn foliage looked stunning in the park.
El follaje de otoño se veía impresionante en el parque.
C1 verb /feɪn/

feign

fingir, simular
Meaning
to pretend or fake; to give a false appearance of
Example
She feigned illness to avoid going to work.
Ella fingió estar enferma para evitar ir a trabajar.
C1 noun /fəˈtæləti/

fatality

fatalidad
Meaning
An occurrence of death by accident, disaster, or violence.
Example
The accident resulted in one fatality.
El accidente resultó en una fatalidad.
C1 adjective /ˈfɛrəl/

feral

salvaje
Meaning
existing in a wild or untamed state; not domesticated
Example
The feral cat roamed the streets at night.
El gato salvaje rondaba por las calles por la noche.
C1 noun /ˌfɜːrmənˈteɪʃən/

fermentation

fermentación, cambio químico por levaduras o bacterias
Meaning
a chemical process by which substances like sugar are converted into alcohol or acids using microorganisms
Example
The fermentation of grapes produces wine.
La fermentación de uvas produce vino.
C1 noun /ˈfiːtəs/

fetus

feto
Meaning
an unborn or unhatched offspring in the womb or egg
Example
The doctor explained the development of the fetus during pregnancy.
El doctor explicó el desarrollo del feto durante el embarazo.
C1 adjective /ˈfruːt.ləs/

Fruitless

infructuoso; inútil; fútil;
Meaning
unsuccessful; futile; pointless;
Example
After hours of searching, their efforts proved fruitless.
Después de horas de búsqueda, sus esfuerzos resultaron infructuosos.
C1 adjective /fəˈroʊ.ʃəs/

Ferocious

feroz, salvaje, cruel
Meaning
savagely fierce, cruel, or violent; extremely aggressive
Example
The ferocious storm destroyed many houses in the coastal area.
La feroz tormenta destruyó muchas casas en la zona costera.
C1 noun /ˌfæb.rɪˈkeɪ.ʃən/

fabrication

invención falsa
Meaning
The invention of false or misleading information; a lie or falsehood.
Example
The article was full of fabrication and misleading claims.
El artículo estaba lleno de invenciones falsas y reclamos engañosos.
C1 noun/adjective ˈflɛdʒ.lɪŋ

fledgling

principiante, inexperto, recién establecido
Meaning
New, inexperienced, newly established.
Example
The fledgling startup needs investment.
La empresa principiante necesita inversión.
C1 noun /ˈfɛləni/

felony

delito grave
Meaning
a serious crime, usually punishable by imprisonment for more than one year
Example
He was convicted of a felony and sentenced to ten years in prison.
Fue condenado por un delito grave y sentenciado a diez años de prisión.
C1 noun ˌfɜːr.tɪ.laɪˈzeɪ.ʃən

fertilization

fertilización
Meaning
The process of adding nutrients to soil to increase crop productivity.
Example
Organic fertilization enhances soil health.
La fertilización orgánica mejora la salud del suelo.
C1 noun /ˈflæn.əl/

Flannel

flanela
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.
Él usó una camisa de flanela cálida en invierno.
C1 noun/verb /freɪ/

fray

pelea, desgastarse
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.
Trató de mantenerse calmado, pero sus nervios empezaron a desgastarse durante la discusión.
C1 noun/adjective /fɔːrˈboʊdɪŋ/

foreboding

presagio ominoso
Meaning
A feeling that something bad will happen; ominous.
Example
She felt a deep sense of foreboding as she entered the abandoned house.
Ella sintió una profunda sensación de presagio ominoso al entrar en la casa abandonada.
C1 adjective /ˈfuːlpruːf/

foolproof

a prueba de tontos
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.
El nuevo software tiene un proceso de instalación a prueba de tontos.
C1 noun /fruːˈɡæl.ə.ti/

frugality

frugalidad
Meaning
The quality of being economical in use or expenditure; not wasteful.
Example
Frugality is essential for saving money effectively.
La frugalidad es esencial para ahorrar dinero de manera efectiva.
C1 noun /frɪˈvɒləti/

frivolity

frivolidad
Meaning
Lack of seriousness; silly or trivial behavior.
Example
The teacher discouraged frivolity during the exam.
El profesor desalentó la frivolidad durante el examen.
C1 noun /ˈfæk.ʃən/

Faction

facción
Meaning
a small organized dissenting group within a larger one
Example
Different factions within the party disagreed about the new policy.
Diferentes facciones dentro del partido no estuvieron de acuerdo sobre la nueva política.
C1 noun /fɑːrs/

farce

farsa
Meaning
a comic dramatic work using buffoonery and horseplay, or a ridiculous situation
Example
The meeting turned into a complete farce with everyone arguing.
La reunión se convirtió en una farsa completa con todos discutiendo.
C1 noun ˈfɔː.saɪt

foresight

previsión
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.
Su previsión ayudó a la empresa a evitar pérdidas financieras.
C1 noun /fɔːrˈmæl.ə.ti/

Formality

formalidad
Meaning
the rigid observance of rules of convention or etiquette; a thing done simply to comply with requirements
Example
The signing of the contract was just a formality; the deal was already agreed upon.
La firma del contrato fue solo una formalidad; el acuerdo ya estaba acordado.
C1 noun /ˈfɛlən/

felon

delincuente
Meaning
a person who has committed a serious crime
Example
The felon was sentenced to ten years in prison.
El delincuente fue sentenciado a diez años de prisión.
C1 noun /fjuːd/

feud

disputa, enemistad
Meaning
a prolonged and bitter quarrel or conflict, often between families or groups
Example
The two families have been in a feud for generations.
Las dos familias han estado en una disputa durante generaciones.
C1 verb /ˈfɔːrfɪt/

forfeit

perder, renunciar como penalización
Meaning
to lose or give up something, usually as a penalty for wrongdoing
Example
He had to forfeit the match after breaking the rules.
Tuvo que perder el partido después de romper las reglas.
C1 noun /fiːnd/

fiend

demonio, persona malvada
Meaning
an evil spirit or demon; a wicked or cruel person; someone obsessed with a particular thing
Example
He is a real fiend when it comes to solving puzzles.
Él es un verdadero demonio cuando se trata de resolver rompecabezas.
C1 adjective /ˈfrɔːdjʊlənt/

fraudulent

fraudulento
Meaning
Involving or using deceit, especially criminal deception.
Example
He was arrested for making fraudulent insurance claims.
Él fue arrestado por hacer reclamaciones fraudulentas de seguros.
C1 noun /fəˌsɪlɪˈteɪʃən/

facilitation

facilitación
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.
Su facilitación hizo que la reunión fuera fluida.
C1 noun /frɪndʒ/

fringe

borde decorativo / orilla
Meaning
A decorative border of threads; the outer edge or margin of something.
Example
The festival had a fringe of small independent performances.
El festival tenía un borde de pequeñas actuaciones independientes.
C1 noun /ˈfeɪvərɪtɪzəm/

favoritism

favoritismo
Meaning
the practice of giving unfair preferential treatment to one person or group
Example
The manager was accused of favoritism towards certain employees.
El gerente fue acusado de favoritismo hacia ciertos empleados.
C1 verb /flɑp/

flop

fracaso
Meaning
to fall or move heavily and clumsily; to fail completely
Example
The new movie flopped at the box office.
La nueva película fracasó en la taquilla.
C1 adjective /frəˈtɜːrnəl/

fraternal

fraternal
Meaning
Relating to brothers or brotherhood; friendly and supportive.
Example
The two nations maintain a fraternal relationship.
Las dos naciones mantienen una relación fraternal.
C1 noun /fɪlθ/

filth

suciedad
Meaning
dirty or disgusting matter; moral corruption
Example
The streets were full of filth after the storm.
Las calles estaban llenas de suciedad después de la tormenta.
C1 adjective /fɪkˈtɪʃəs/

fictitious

ficticio, falso
Meaning
not real or true; imaginary or fabricated
Example
The story he told was entirely fictitious.
La historia que contó era completamente ficticia.
C1 noun /fɪˈnɑːleɪ/

finale

final
Meaning
the last part or conclusion of a performance, event, or series
Example
The concert ended with a spectacular finale.
El concierto terminó con un espectacular final.
C1 verb /fret/

fret

preocuparse
Meaning
to worry or be anxious; to be troubled
Example
Don't fret about the exam results.
No te preocupes por los resultados del examen.
C1 noun /ˈfen.jʊ.griːk/

Fenugreek

fenogreco
Meaning
an herb whose seeds and leaves are used as a spice in cooking
Example
Fenugreek seeds have a slightly bitter taste and are commonly used in Indian cuisine.
Las semillas de fenogreco tienen un sabor ligeramente amargo y se utilizan comúnmente en la cocina india.
C1 adjective /fəˈnætɪkəl/

fanatical

fanático
Meaning
showing extreme enthusiasm or obsession
Example
She has a fanatical interest in collecting vintage stamps.
Ella tiene un interés fanático en coleccionar sellos antiguos.
C1 noun /ˈfɔːrwɜːrd/

foreword

prólogo
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.
El prólogo del libro fue escrito por un historiador famoso.
C1 adjective /ˌfʊl ˈbɒd.id/

full-bodied

de sabor intenso
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.
Él prefiere un vino tinto de sabor intenso con su cena.
C1 verb /ˈfrɒlɪk/

frolic

jugar alegremente
Meaning
to play and move about cheerfully, energetically, or playfully
Example
The children frolicked in the garden all afternoon.
Los niños jugaron alegremente en el jardín toda la tarde.
C1 noun /fɪˈdɛl.ɪ.ti/

fidelity

fidelidad
Meaning
Faithfulness to a person, cause, or belief, demonstrated by continuing loyalty and support.
Example
A dog's fidelity to its owner is unmatched.
La fidelidad de un perro hacia su dueño es incomparable.
C1 verb /fɔrˈstɔl/

forestall

prevenir de antemano
Meaning
to prevent by acting in advance; to anticipate and counter
Example
They forestalled the crisis by taking immediate action.
Ellos evitaron la crisis tomando acción inmediata.
C1 adjective/noun /fəˈrɛns.ɪk/

forensic

Análisis científico aplicado a asuntos criminales o legales
Meaning
Scientific analysis applied to criminal or legal matters
Example
Forensic experts analyze cybercrimes using advanced tools.
Los expertos forenses analizan los delitos cibernéticos utilizando herramientas avanzadas.
C1 noun /fruˈɪʃən/

fruition

cumplimiento
Meaning
The realization or fulfillment of a plan, project, or desire.
Example
Her dream of becoming a doctor finally came to fruition.
El sueño de convertirse en doctora finalmente se hizo realidad.
C1 verb /fɔːrˈseɪk/

forsake

abandonar
Meaning
to abandon or give up something or someone
Example
He decided not to forsake his old friends despite his success.
Él decidió no abandonar a sus viejos amigos a pesar de su éxito.
C1 noun, verb /ˈfɛrɪt/

ferret

hurón, buscar persistentemente o descubrir algo
Meaning
a small domesticated animal used for hunting; to search or uncover something persistently
Example
He ferreted out the hidden documents.
Él sacó los documentos ocultos.
C1 noun /ˈfɔːrdʒəri/

forgery

falsificación
Meaning
the crime of making fake documents, money, or artworks
Example
The bank detected a forgery in the signature on the cheque.
El banco detectó una falsificación en la firma del cheque.
C1 noun /fɪˈnɛs/

finesse

sutilidad, destreza, refinamiento
Meaning
Subtlety and skill; refinement and delicacy in performance or artistry.
Example
The artist painted with great finesse.
El artista pintó con gran destreza.
C1 adjective /ˈflæɡɪŋ/

flagging

decaer, agotarse o perder entusiasmo
Meaning
becoming tired, weaker, or less enthusiastic
Example
After hours of work, his energy was flagging.
Después de horas de trabajo, su energía estaba disminuyendo.
C1 noun /ˈfɒdər/

fodder

forraje
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.
El granjero almacenó suficiente forraje para que el ganado tuviera suficiente durante el invierno.
C1 adjective fæsˈtɪd.i.əs

fastidious

meticuloso
Meaning
Very attentive to and concerned about accuracy and detail.
Example
She is fastidious about maintaining cleanliness.
Ella es meticulosa al mantener la limpieza.
C1 noun /ˈfɔːrmən/

foreman

persona encargada de un grupo de trabajadores, especialmente en una fábrica o en una obra de construcción
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.
El capataz supervisó a los trabajadores en el sitio de construcción.
C1 verb /fɔːˈbɛər/

forbear

abstenerse
Meaning
To refrain from doing something; to show patience or self-control.
Example
She forbore from commenting on his mistake.
Ella se abstuvo de comentar sobre su error.
C1 adjective /ˈflaʊəri/

flowery

florido / ornamentado
Meaning
Full of flowers or overly elaborate in style or language.
Example
She wrote a flowery letter filled with poetic phrases.
Ella escribió una carta florida llena de frases poéticas.
C1 adjective /ˈfrɪvələs/

frivolous

frívolo
Meaning
Not having any serious purpose or value; silly or unimportant.
Example
She dismissed the frivolous complaint quickly.
Ella desestimó la queja frívola rápidamente.
C1 adjective /ˈfeɪt.fəl/

fateful

decisivo o fatal
Meaning
having significant or disastrous consequences
Example
Their fateful decision changed the course of history.
Su decisión decisiva cambió el curso de la historia.
C1 noun ˌfiː.zəˈbɪl.ə.ti

feasibility

viabilidad
Meaning
The state or degree of being easily or conveniently done; possibility.
Example
The company conducted a feasibility study before launching the project.
La empresa realizó un estudio de viabilidad antes de lanzar el proyecto.
C1 adjective /fəˈnætɪk/

Fanatic

fanático
Meaning
extremely passionate about something; showing excessive enthusiasm or devotion
Example
He is a fanatic supporter of his football team.
Él es un fanático seguidor de su equipo de fútbol.
C1 noun (plural of fungus) /ˈfʌndʒaɪ/

fungi

hongo
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.
Los hongos desempeñan un papel importante en la descomposición de materia orgánica en la naturaleza.
C1 noun /ˈfɔːrˌbɛərz/

forebears

antepasados
Meaning
Ancestors or people in previous generations from whom one is descended.
Example
We must honor the traditions of our forebears.
Debemos honrar las tradiciones de nuestros antepasados.
C1 noun /ˈfjʊərɔːr/

furor

alboroto
Meaning
An outbreak of public anger or excitement.
Example
The politician's remarks created a furor in the media.
Los comentarios del político crearon un furor en los medios.
C1 noun /ˈfɔːreɪ/

foray

incursión / primer intento
Meaning
A sudden short attack or attempt, especially into new activity or territory.
Example
The company made its first foray into the international market.
La empresa hizo su primera incursión en el mercado internacional.
C1 noun /ˈfɔːrdʒər/

forger

falsificador
Meaning
a person who makes fake documents, artworks, or signatures
Example
The police arrested a forger who had been selling counterfeit paintings.
La policía arrestó a un falsificador que había estado vendiendo pinturas falsas.
C1 noun /ˈfæs.ɪt/

facet

faceta, aspecto, parte
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.
Cada faceta del proyecto fue cuidadosamente analizada.
C1 adjective /ˈfɔːrθˌraɪt/

forthright

directo
Meaning
Direct and honest in speech or behavior; straightforward.
Example
She was forthright in her criticism of the policy.
Ella fue directa en su crítica a la política.
C1 noun /ˈfrek.əl/

Freckle

peca
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.
Su rostro estaba cubierto de lindas pecas que aparecían cada verano.
C1 adjective /ˈfrɪdʒɪd/

Frigid

frío; helado
Meaning
extremely cold; freezing; icy
Example
The frigid weather made it difficult to go outside.
El clima frío dificultó salir afuera.
C1 noun /ˈfjuː.dʒə.tɪv/

Fugitive

fugitivo
Meaning
a person who has escaped from a place or is in hiding, especially to avoid arrest
Example
The police launched a manhunt to capture the fugitive who escaped from prison.
La policía lanzó una búsqueda para capturar al fugitivo que escapó de la prisión.
C1 noun ˈflɔː.rə ænd ˈfɔː.nə

flora and fauna

flora y fauna
Meaning
The plants and animals of a particular region, habitat, or geological period.
Example
The Galápagos Islands have unique flora and fauna.
Las Islas Galápagos tienen una flora y fauna únicas.
C1 adjective /fərˈlɔːrn/

forlorn

desamparado, triste
Meaning
extremely sad, lonely, or abandoned
Example
The abandoned puppy looked so forlorn in the rain.
El cachorro abandonado se veía tan triste bajo la lluvia.
C1 noun /fæd/

fad

moda pasajera, tendencia
Meaning
a temporary fashion or trend; a short-lived craze
Example
The new diet became a popular fad among teenagers.
La nueva dieta se convirtió en una moda pasajera entre los adolescentes.
C1 noun ˌflʌk.tʃuˈeɪ.ʃən

fluctuation

fluctuación
Meaning
An irregular rising and falling in number or amount; a variation.
Example
The stock market experiences frequent fluctuation.
El mercado de valores experimenta frecuentes fluctuaciones.
C1 verb /ˈfʌmbəl/

fumble

torpeza
Meaning
to handle something clumsily or to make mistakes while doing something
Example
He fumbled with the keys and dropped them on the floor.
Él torpedeó con las llaves y las dejó caer al suelo.
C1 adjective ˈfɔːr.mɪ.də.bəl

formidable

formidable
Meaning
Inspiring fear or respect through being impressively large, powerful, intense, or capable.
Example
The boxer was a formidable opponent in the ring.
El boxeador era un oponente formidable en el ring.
C1 noun /ˈfɔːrˌfɑːðər/

forefather

antepasado
Meaning
an ancestor, especially one who was part of an earlier generation of a family or nation
Example
Our forefathers fought for independence.
Nuestros antepasados lucharon por la independencia.
C1 noun /ˈfɔːr.teɪ/ or /fɔːrt/

forte

fortaleza
Meaning
a strong ability or talent; something one does particularly well
Example
Cooking is definitely her forte.
Cocinar es definitivamente su fortaleza.
C1 noun /fɔːrˈkloʊʒər/

foreclosure

embargo hipotecario
Meaning
The legal process by which a lender takes control of a property from a borrower who has failed to make payments.
Example
The family lost their home due to foreclosure after missing several mortgage payments.
La familia perdió su casa debido al embargo hipotecario después de no pagar varias cuotas de la hipoteca.
C1 noun, verb /ˈfɜːrloʊ/

furlough

licencia temporal
Meaning
temporary leave of absence from work, especially that granted to an employee or soldier
Example
Many workers were placed on furlough during the crisis.
Muchos trabajadores fueron puestos en furlough durante la crisis.