flawed
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B2 adjective /flɔːd/

flawed

defectuoso
Meaning
having a mistake or fault that reduces its value or quality
Example
The flawed design of the car led to a recall.
El diseño defectuoso del coche provocó un retiro del mercado.
B1 noun freɪm

Frame

marco
Meaning
A rigid structure that surrounds something such as a picture, door, or windowpane.
Example
A framed family tree can be displayed in your home.
Un árbol genealógico enmarcado puede exhibirse en tu hogar.
B2 noun /ˈfɛmənɪst/

feminist

feminista
Meaning
a person who supports equal rights and opportunities for women and men
Example
She proudly calls herself a feminist and fights for gender equality.
Ella orgullosamente se llama a sí misma feminista y lucha por la igualdad de género.
C2 noun /ˈfɔɪbəl/

foible

pequeña debilidad
Meaning
A minor weakness or eccentricity in someone's character.
Example
She loved him despite his little foibles.
A pesar de sus pequeñas debilidades, ella lo quería.
B2 verb /feɪd/

fade

desvanecerse
Meaning
To gradually lose brightness, color, or strength.
Example
The colors of the old photo have started to fade.
Los colores de la foto antigua empezaron a desvanecerse.
B2 noun /ˌfer.ˈwel/

Farewell

despedida
Meaning
an act of parting or of marking someone's departure
Example
The company organized a farewell party for the retiring manager.
La empresa organizó una fiesta de despedida para el gerente que se retiraba.
C2 verb /ˌfɔːrˈrʌn/

forerun

predecer
Meaning
To go before; to precede in time, place, or action.
Example
Dark clouds often forerun a storm.
Las nubes oscuras a menudo preceden una tormenta.
B2 adverb /fɔːrθ/

forth

adelante
Meaning
forward in place, time, or order
Example
The leader stepped forth to address the crowd.
El líder avanzó para dirigirse a la multitud.
A1 noun /fruːt/

fruit

fruta
Meaning
The sweet and fleshy product of a plant that contains seeds.
Example
Mango is my favorite fruit.
El mango es mi fruta favorita.
B1 noun /ˈfɪkʃən/

fiction

ficción
Meaning
Literature created from the imagination, not presented as fact.
Example
She enjoys reading science fiction novels.
A ella le gusta leer novelas de ciencia ficción.
B2 noun /fiːst/

Feast

banquete; festín
Meaning
a large meal, typically one in celebration of something; an annual religious celebration
Example
The wedding feast included traditional dishes from both families' cultures.
El banquete de la boda incluyó platos tradicionales de las culturas de ambas familias.
C2 noun /foʊ ˈpɑː/

faux pas

desliz social
Meaning
a social blunder or mistake in etiquette
Example
He committed a major faux pas by forgetting her birthday.
Cometió un gran desliz social al olvidar su cumpleaños.
C1 noun/verb /ˈfʌrəʊ/

furrow

surco
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.
El agricultor hizo surcos en el campo.
B2 noun /ˈfɔːr.hed/

Forehead

frente
Meaning
the part of the face above the eyebrows and below the hairline
Example
He wiped the sweat from his forehead.
Él se secó el sudor de la frente.
B2 verb /fɔːrdʒ/

forge

forjar, falsificar
Meaning
to create or shape something, often with effort or skill; also to counterfeit or fake something
Example
The blacksmith forged a strong sword from the iron.
El herrero forjó una espada fuerte con el hierro.
B1 adjective /ˈfɒɡi/

foggy

neblinoso
Meaning
Full of or covered with fog; unclear or hazy.
Example
The mountain road was dangerous on the foggy morning.
La carretera de la montaña era peligrosa en la mañana neblinosa.
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.
B1 noun /foʊk/

folk

gente
Meaning
people in general, often referring to a group or community
Example
Country folk often live a simple life.
La gente del campo suele llevar una vida sencilla.
A2 noun /ˈfrɛndʃɪp/

friendship

amistad
Meaning
A close and trusting relationship between two or more people.
Example
Their friendship has lasted since childhood.
Su amistad ha perdurado desde la infancia.
A2 noun fɔːrs

force

fuerza
Meaning
A physical power or energy that can cause movement, change, or influence.
Example
Strong nuclear force binds particles.
La fuerte fuerza nuclear une las partículas.
A2 noun /ˈfɪŋ.ɡər/

Finger

dedo
Meaning
any of the four long thin parts of the hand (or five, if the thumb is included)
Example
She pointed with her finger to show the direction to the museum.
Ella señaló con su dedo para mostrar la dirección al museo.
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 /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 noun /ˈflæt.ər.i/

Flattery

adulación
Meaning
excessive and insincere praise, given especially to further one's own interests
Example
His constant flattery made everyone suspicious of his true motives.
Su constante adulación hizo que todos sospecharan de sus verdaderas intenciones.
B1 adjective /ˈfæbjələs/

Fabulous

fabuloso; increíble; extraordinario
Meaning
extremely good; wonderful; extraordinary
Example
She wore a fabulous dress to the party.
Ella llevaba un vestido fabuloso a la fiesta.
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.
B2 adjective /ˈfeɪvərəbl/

favourable

favorable
Meaning
Expressing approval, support, or positivity; advantageous or beneficial
Example
The weather conditions were favourable for the outdoor event.
Las condiciones climáticas fueron favorables para el evento al aire libre.
C2 verb /fɔːrˈdʒʌdʒ/

forejudge

juzgar por adelantado
Meaning
To judge beforehand without adequate information.
Example
It is unfair to forejudge someone without knowing the facts.
Es injusto juzgar a alguien sin conocer los hechos.
C2 noun /ˈfɪɡmənt/

figment

invención, imaginación
Meaning
something invented or imaginary; a fabrication of the mind
Example
The story of the haunted house is just a figment of her imagination.
La historia de la casa embrujada es solo un producto de su imaginación.
B2 verb, adjective /ˈfɒstər/

foster

fomentar
Meaning
to encourage the development of something; to raise a child that is not one's own
Example
The program aims to foster creativity in young students.
El programa tiene como objetivo fomentar la creatividad en los jóvenes estudiantes.
B1 noun faʊnˈdeɪʃən

foundation

fundamento
Meaning
The lowest load-bearing part of a building, typically below ground level.
Example
The foundation of the building was laid with strong materials.
Los cimientos del edificio se colocaron con materiales resistentes.
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.
A1 verb /fiːl/

Feel

sentir; experimentar; tocar
Meaning
to experience an emotion or physical sensation; to touch something
Example
I feel happy when I see my friends.
Me siento feliz cuando veo a mis amigos.
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.
C2 noun /ˌfɔːrɔːrdɪˈneɪʃən/

foreordination

preordenación
Meaning
the act of determining something in advance; predestination
Example
The doctrine of foreordination suggests that events are fixed by divine will.
La doctrina de la preordenación sugiere que los eventos están fijados por la voluntad divina.
C2 noun /flɛk/

fleck

mancha pequeña
Meaning
a small spot or mark, often of a different color
Example
There was a fleck of paint on the floor.
Había una mancha de pintura en el suelo.
A2 adjective, adverb /ˈfʊl taɪm/

full-time

a tiempo completo
Meaning
working or studying for the whole standard period of time
Example
She works full-time as a teacher.
Ella trabaja a tiempo completo como profesora.
C2 verb /fleɪ/

flay

despojar/criticar severamente
Meaning
to strip off the skin of something or criticize severely
Example
The chef flayed the fish before cooking it.
El chef despojó el pescado antes de cocinarlo.
B2 noun /ˈfaɪbər/

fiber

fibra
Meaning
a thread or filament from which a textile is formed; dietary substance from plants that aids digestion
Example
Fruits and vegetables are high in fiber.
Las frutas y verduras son ricas en fibra.
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.
A2 noun /ˈfaɪəˌwɜːk/

firework

fuegos artificiales
Meaning
a device that explodes or creates a display of lights and sounds, often used in celebrations
Example
The fireworks lit up the sky during the New Year's Eve celebration.
Los fuegos artificiales iluminaron el cielo durante la celebración de la víspera de Año Nuevo.
C2 adjective /ˈfæl.oʊ/

fallow

barbecho
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.
Los agricultores dejan sus campos en barbecho para restaurar la fertilidad del suelo.
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.
Después de graduarse, se sintió libre y listo para explorar el mundo.
B2 noun /ˈfriːˌlænsər/

freelancer

trabajador independiente
Meaning
A person who works independently without being permanently employed by one organization.
Example
She works as a freelancer designing websites for different clients.
Ella trabaja como freelancer diseñando sitios web para diferentes clientes.
B2 noun /ˈfʊtɪdʒ/

footage

grabación de video
Meaning
a recorded film or video, especially one that is used for news or documentaries
Example
The footage of the protest was shown on television all day.
El metraje de la protesta se mostró en la televisión todo el día.
B2 noun /ˌfiː.ɑːnˈseɪ/

Fiance

prometido
Meaning
a man who is engaged to be married
Example
Sarah introduced her fiance to her parents during the family dinner.
Sara presentó a su prometido a sus padres durante la cena familiar.
C2 verb /ˈfɛstər/

fester

empeorar, intensificarse
Meaning
to become worse or more intense, often through neglect or infection
Example
If grievances are ignored, they may fester into resentment.
Si se ignoran las quejas, pueden convertirse en resentimiento.
B2 noun /fɪɡ/

Fig

higo
Meaning
a soft sweet fruit that is purple or green on the outside and has many small seeds
Example
The fig tree in our backyard produces delicious fruits every summer.
El árbol de higo en nuestro jardín produce frutas deliciosas cada verano.
C2 noun /frɒnd/

frond

hoja
Meaning
A large, divided leaf of a fern, palm, or similar plant.
Example
The fern's frond stretched gracefully over the garden path.
La hoja del helecho se estiró graciosamente sobre el camino del jardín.
B1 noun /ˈfjuː.əl/

Fuel

combustible
Meaning
a material such as coal, gas, or oil that is burned to produce heat or power
Example
The rising cost of fuel has affected transportation and heating expenses worldwide.
El aumento del costo del combustible ha afectado el transporte y los gastos de calefacción en todo el mundo.
C1 adjective /flæmˈbɔɪənt/

flamboyant

llamativo, colorido o confiado
Meaning
showy, strikingly bold or colorful; confident and lively
Example
His flamboyant style drew everyone's attention at the party.
Su estilo llamativo atrajo la atención de todos en la fiesta.
C2 verb /fɔːrˈfɛnd/

forfend

proteger, defender, evitar
Meaning
to protect or defend against something undesirable; to prevent
Example
May good fortune forfend any danger from our journey.
Que la buena fortuna proteja contra cualquier peligro en nuestro viaje.
B1 noun /fæts/

fats

grasas
Meaning
Essential macronutrients that provide energy, support cell growth, and protect organs while helping absorb vitamins.
Example
Healthy fats from nuts and avocados support brain function.
Las grasas saludables de los frutos secos y los aguacates apoyan la función cerebral.
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.
C2 adjective /ˈfluːtɪd/

fluted

ranurado
Meaning
having grooves or ridges, often for decoration
Example
The vase had a beautiful fluted design around the rim.
El jarrón tenía un hermoso diseño ranurado alrededor del borde.
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.
A2 noun /fɒks/

Fox

zorro
Meaning
a wild animal related to dogs, with a pointed face and thick fur
Example
The red fox is known for its cunning nature.
El zorro rojo es conocido por su astucia.
C2 noun /fɪntʃ/

finch

pinzón (pájaro pequeño cantor)
Meaning
a small songbird with a short, stout bill
Example
A colorful finch perched on the branch singing sweetly.
Un colorido pinzón se posó en la rama cantando dulcemente.
A1 noun/verb /fɪlm/

film

película
Meaning
a motion picture or movie; or to record on camera
Example
They watched a film together on the weekend.
Ellos vieron una película juntos el fin de semana.
B2 noun /frɒk/

Frock

falda
Meaning
a dress, especially a simple or casual one for women or children
Example
The little girl wore a pink frock to her birthday party.
La niña pequeña llevaba una falda rosa a su fiesta de cumpleaños.
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.
B2 adjective /ˈfæktʃuəl/

Factual

factual; basado en hechos; verdadero
Meaning
based on facts; accurate; true
Example
The report contains only factual information.
El informe contiene solo información factual.
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 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 /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.
C2 noun /ˈfriːˌθɪŋkər/

freethinker

librepensador
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 fue considerado un gran librepensador de su tiempo.
C1 noun, verb /fɔːrd/

ford

vado
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.
Los viajeros decidieron cruzar el río por un vado al amanecer.
B2 noun /fɔːrt/

Fort

fuerte
Meaning
a strong building or group of buildings where soldiers live and defend
Example
The ancient fort stood on top of the hill for centuries.
El antiguo fuerte se erguía en la cima de la colina durante siglos.
C2 adjective /ˈfɪnɪki/

finicky

difícil de complacer; muy particular en los detalles
Meaning
difficult to please; very particular about details
Example
He is so finicky about his food that he only eats organic vegetables.
Él es tan quisquilloso con su comida que solo come verduras orgánicas.
B1 verb /fərˈbɪd/

forbid

prohibir
Meaning
to order someone not to do something
Example
The school forbids smoking on campus.
La escuela prohíbe fumar en el campus.
C2 noun /ˈfʌstɪən/

fustian

discurso pomposo
Meaning
pompous or pretentious speech or writing; originally a type of thick cloth
Example
The politician's speech was filled with fustian and empty promises.
El discurso del político estaba lleno de fustián y promesas vacías.
C1 noun /ˈfɔːrˌθɔːt/

forethought

previsión
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.
Con un poco de previsión, podríamos haber evitado el problema.
B1 noun /flæʃ/

Flash

destello; resplandor
Meaning
a sudden brief burst of bright light; a very brief moment
Example
There was a bright flash of lightning followed by thunder.
Hubo un destello brillante de relámpago seguido de un trueno.
B2 verb /fɔːrˈsiː/

foresee

prever
Meaning
To be aware of beforehand; to predict or expect.
Example
She could foresee the challenges ahead.
Ella podía prever los desafíos por delante.
B1 noun /ˈflaʊər veɪs/

Flower-vase

jarrón de flores
Meaning
a decorative container used to hold cut flowers
Example
She placed beautiful roses in the flower vase on the table.
Ella colocó hermosas rosas en el florero sobre la mesa.
B2 noun /flɔː/

flaw

defecto
Meaning
a defect or imperfection in something
Example
The diamond had a small flaw that was barely visible.
El diamante tenía un pequeño defecto que apenas se veía.
C1 noun ˈfæl.ə.si

fallacy

falacia, error, razonamiento falso
Meaning
False belief, misconception, false reasoning.
Example
The idea that success comes easy is a fallacy.
La idea de que el éxito viene fácil es una falacia.
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.
B2 noun /ˈfræk.ʃən/

Fraction

fracción; parte
Meaning
a numerical quantity that is not a whole number; a small or tiny part of something
Example
Only a small fraction of the population voted in the local election.
Solo una pequeña fracción de la población votó en las elecciones locales.
B2 adjective /ˈfjʊə.ri.əs/

Furious

furioso; violento; enfurecido;
Meaning
extremely angry; violent; fierce;
Example
She was furious when she discovered the mistake.
Ella estaba furiosa cuando descubrió el error.
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 /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.
B1 noun /ˈfaɪn.dɪŋ/

finding

descubrimiento, conclusión o resultado obtenido después de una investigación
Meaning
a discovery, conclusion, or result reached after investigation
Example
The scientist published her findings in a leading journal.
La científica publicó sus hallazgos en una revista de prestigio.
A1 noun /ˈfraɪ.deɪ/

friday

viernes
Meaning
the day of the week following Thursday and preceding Saturday
Example
We have a team meeting every Friday afternoon.
Tenemos una reunión de equipo todos los viernes por la tarde.
C2 verb /fɪˈlɪsɪˌteɪt/

felicitate

felicitar
Meaning
to congratulate; to express good wishes
Example
We felicitated the graduating students at the ceremony.
Felicitamos a los estudiantes graduados en la ceremonia.
C1 adjective /frəˈnɛtɪk/

frenetic

frenético
Meaning
Fast and energetic in a wild or uncontrolled way.
Example
The stock market experienced frenetic trading after the announcement.
El mercado de valores experimentó un comercio frenético después del anuncio.
C2 verb /ˈfɜːrbɪʃ/

furbish

pulir
Meaning
to polish, renovate, or give a fresh look to something
Example
The workers furbished the old sword until it gleamed like new.
Los trabajadores pulieron la antigua espada hasta que brilló como nueva.
C2 adjective /fɪˈdjuːʃəl/

fiducial

fiducial, de referencia
Meaning
based on trust or confidence; serving as a standard of reference
Example
The fiducial point on the map ensures accurate measurements.
El punto fiducial en el mapa asegura mediciones precisas.
C2 noun /ˈfaɪər.brænd/

firebrand

persona revolucionaria
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.
El activista era un verdadero revolucionario, inspirando a todos a su alrededor para unirse a la protesta.
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.tʃə.rɪst/

futurist

futurista
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.
El futurista predijo grandes cambios en el transporte dentro de la próxima década.
C2 noun /ˈflɛkʃən/

flection

flexión
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.
El doctor probó la flexión de la rodilla del paciente durante el examen.
B2 verb /ˈflætər/

flatter

alabar excesivamente o insinceramente para ganar favor
Meaning
to praise excessively or insincerely to gain favor
Example
He tried to flatter his boss to get a promotion.
Él intentó halagar a su jefe para obtener una promoción.
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.
A1 noun /fʌn/

fun

diversión
Meaning
enjoyment, amusement, or light-hearted pleasure
Example
We had a lot of fun at the party.
Nos divertimos mucho en la fiesta.
C1 verb /ˈfɔːltər/

falter

vacilar o perder fuerza o impulso
Meaning
to hesitate or lose strength or momentum
Example
Her voice faltered as she delivered the speech.
Su voz vaciló mientras pronunciaba el discurso.
C1 noun /ˈfoʊk.lɔːr/

folk-lore

folklore
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.
El folklore mexicano está lleno de mitos y leyendas.
B2 noun ˌfʌŋk.ʃəˈnæl.ə.ti

functionality

funcionalidad
Meaning
The quality of being functional; the ability to work or operate as intended.
Example
The new refrigerator has improved functionality.
El nuevo refrigerador ha mejorado la funcionalidad.
C2 verb /ˈflædʒəˌleɪt/

flagellate

azotar o flagelar a alguien como una forma de castigo o auto-disciplina
Meaning
to whip or flog someone, either literally or as a form of punishment or self-discipline
Example
In history, some monks would flagellate themselves as penance.
En la historia, algunos monjes se flagelaban como penitencia.
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.
C2 verb /fɔrˈswɛr/

forswear

renunciar
Meaning
to renounce or reject; to give up completely
Example
He forswore his old habits and started a new life.
Él renunció a sus viejos hábitos y empezó una nueva vida.
B1 noun /fiː/

fee

tarifa
Meaning
A payment made for a service or privilege.
Example
The lawyer charged a high fee for his services.
El abogado cobró una tarifa alta por sus servicios.
A1 noun /ˈfæməli/

family

familia
Meaning
A group consisting of parents and their children, or all the descendants of a common ancestor.
Example
She spends most of her weekends with her family.
Ella pasa la mayoría de sus fines de semana con su familia.
C1 adjective /frɔːt/

fraught

lleno
Meaning
Filled with or likely to result in something undesirable.
Example
The negotiations were fraught with tension and uncertainty.
Las negociaciones estuvieron llenas de tensión e incertidumbre.
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.
C2 adjective /ˈfer.əs/

ferrous

rico en hierro
Meaning
containing or consisting of iron
Example
Ferrous metals are commonly used in construction.
Los metales ferrosos se usan comúnmente en la construcción.
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.
B1 adjective /ˈfæsɪneɪtɪŋ/

Fascinating

fascinante
Meaning
extremely interesting; captivating; enchanting
Example
The documentary about ocean life was fascinating.
El documental sobre la vida marina fue fascinante.
B1 noun /frʌˈstreɪʃən/

frustration

frustración
Meaning
The feeling of being upset or annoyed due to inability to achieve something.
Example
He felt deep frustration when his plans failed.
Sintió una profunda frustración cuando sus planes fracasaron.
B2 noun /ˈfrɛʃnəs/

freshness

frescura
Meaning
The quality of being new, clean, and full of energy.
Example
The freshness of the morning air made everyone feel alive.
La frescura del aire de la mañana hizo que todos se sintieran vivos.
A2 noun /ˈfɔːrənər/ or /ˈfɑːrənər/

foreigner

extranjero
Meaning
A person from another country.
Example
The city welcomes every foreigner with kindness.
La ciudad recibe a cada extranjero con amabilidad.
B2 noun /ˈfɔːr.kæst/

Forecast

pronóstico
Meaning
a prediction or estimate of future events, especially coming weather conditions
Example
The weather forecast predicted heavy rain for the entire weekend.
El pronóstico del tiempo predijo lluvias intensas para todo el fin de semana.
B2 adjective /ˈflʌfi/

fluffy

felicidad
Meaning
soft, light, and airy in texture
Example
She baked a fluffy cake for the party.
Ella no pudo ocultar su felicidad cuando recibió el premio.
C2 noun /fækˈtoʊtəm/

factotum

trabajador polifacético
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.
Trabajaba como un factótum, manejando tanto tareas administrativas como de mantenimiento.
C1 noun /ˈfreɪlti/

frailty

fragilidad
Meaning
The condition of being weak, delicate, or easily broken.
Example
Old age often comes with physical frailty.
La vejez a menudo viene con fragilidad física.
C2 adjective /ˈfɜːr.vɪd/

Fervid

apasionado; intensamente entusiasta; ardiente de emoción
Meaning
passionate; intensely enthusiastic; burning with emotion
Example
She gave a fervid speech about environmental protection.
Ella dio un discurso fervido sobre la protección del medio ambiente.
C2 noun /ˈfɔːθ.raɪt.nəs/

forthrightness

franqueza
Meaning
The quality of being honest and straightforward; directness.
Example
Her forthrightness made her a respected journalist.
Su forthrightness la convirtió en una periodista respetada.
B2 noun /fɜːr/

Fur

pelaje
Meaning
thick hair covering the body of animals
Example
The cat's fur was soft and warm to touch.
El pelaje del gato era suave y cálido al tacto.
C1 adjective /ˈfjuː.dəl/

feudal

feudal
Meaning
relating to the system of feudalism, a medieval social system based on land ownership and obligations
Example
The castle is a remnant of the feudal era.
El castillo es un vestigio de la era feudal.
B2 adverb /ˈfɜ:rmli/

Firmly

firmemente
Meaning
in a strong, steady, and unwavering manner
Example
She firmly believed in her decision.
Ella creía firmemente en su decisión.
C2 noun /ˈflætʃələns/

flatulence

acumulación de gas en el sistema digestivo
Meaning
the accumulation of gas in the digestive system; excessive gas in the stomach or intestines
Example
Eating beans can sometimes cause flatulence.
Comer frijoles a veces puede causar flatulencia.