Flood
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A2 noun /flʌd/

Flood

inundación
Meaning
an overflow of a large amount of water beyond its normal limits
Example
The heavy rain caused a flood in the village.
La lluvia intensa causó una inundación en el pueblo.
B2 verb, noun, adjective /flʌʃ/

flush

ponerse rojo / limpiar con agua
Meaning
to become red in the face, usually from embarrassment, heat, or excitement; to clean something with a flow of water
Example
She flushed with embarrassment when she realized her mistake.
Ella se sonrojó de vergüenza cuando se dio cuenta de su error.
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.
B1 noun /ˈfɔːr.mæt/

Format

formato
Meaning
the way in which something is arranged or set out; the shape, size, and presentation of a book or document
Example
Please submit your report in PDF format by the end of the week.
Por favor, envíe su informe en formato PDF antes del final de la semana.
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.
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.
B2 noun /ˈfluː.ən.si/

fluency

fluidez
Meaning
The ability to speak or write a language smoothly and effortlessly.
Example
She speaks English with remarkable fluency.
Ella habla inglés con fluidez notable.
C1 noun /ˈfɪɡjərˌhɛd/

figurehead

cabeza simbólica
Meaning
a nominal leader with no real power; a symbolic head
Example
The king was merely a figurehead with no real authority.
El rey era simplemente un líder simbólico sin poder real.
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.
A1 adjective/noun /fɔːrθ/

fourth

cuarto
Meaning
Constituting number four in a sequence; coming after the third in position.
Example
He finished in fourth place in the race.
Terminó en el cuarto lugar en la carrera.
C2 noun /floʊ/

floe

iceberg flotante
Meaning
a large sheet of floating ice
Example
The polar bears rested on the ice floe.
Los osos polares descansaron sobre el iceberg flotante.
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 adjective /ˈfræk.ʃəs/

Fractious

irritable; problemático; difícil de controlar
Meaning
irritable and quarrelsome; difficult to control; bad-tempered
Example
The fractious child refused to follow any of the teacher's instructions.
El niño fractioso se negó a seguir cualquiera de las instrucciones del maestro.
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.
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.
C2 adjective /ˈfʌŋɡəs/

fungous

relacionado con hongo
Meaning
relating to or resembling a fungus
Example
The damp basement had a fungous smell.
El sótano húmedo tenía un olor relacionado con hongo.
C1 verb /ˈfæbrɪkeɪt/

fabricate

fabricar
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.
El testigo fabricó su testimonio para protegerse.
B2 adverb /ˈflu:əntli/

Fluently

con fluidez; de manera fluida
Meaning
in a smooth, effortless, and articulate manner; with ease and skill
Example
She speaks French fluently.
Ella habla francés con fluidez.
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.
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.
C2 noun /ˈfrɛʃɪt/

freshet

desbordamiento repentino del río
Meaning
A sudden overflow of a stream or river caused by heavy rain or melting snow.
Example
After the storm, the river turned into a raging freshet.
Después de la tormenta, el río se convirtió en un freshet furioso.
B2 noun /ˈfreɪ.ɡrəns/

Fragrance

fragancia; perfume
Meaning
a pleasant, sweet smell; a perfume or cologne
Example
The fragrance of jasmine flowers filled the entire garden in the evening.
La fragancia de las flores de jazmín llenó todo el jardín por la tarde.
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 /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.
B1 adverb /ˈfriːli/

Freely

libremente; sin restricciones;
Meaning
without restriction; openly; willingly
Example
She spoke freely about her experiences during the interview.
Ella habló libremente sobre sus experiencias durante la entrevista.
C2 adjective /ˈflʌməksd/

flummoxed

desconcertado
Meaning
Completely confused or bewildered.
Example
He looked flummoxed after hearing the strange question.
Él parecía desconcertado después de escuchar la extraña pregunta.
A1 noun /ˈflaʊər/

flower

flor
Meaning
the seed-bearing part of a plant, often colorful and fragrant, that blossoms
Example
The garden was full of colorful flowers.
El jardín estaba lleno de flores coloridas.
B1 adverb /ˈfɜːrstli/

firstly

primero
Meaning
used to introduce the first point or reason in a discussion or argument
Example
Firstly, we need to address the budget issue before proceeding.
Primero, necesitamos abordar el problema del presupuesto antes de continuar.
A2 adjective /ˈflaɪɪŋ/

flying

volando
Meaning
able to move through the air; related to flight or aircraft
Example
The flying bird disappeared into the clouds.
El pájaro volando desapareció entre las nubes.
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 adverb /ˈfeɪ.təl.i/

Fatally

fatalmente
Meaning
in a way that causes death; with deadly consequences; critically
Example
The accident fatally injured two passengers.
El accidente hirió fatalmente a dos pasajeros.
A2 adjective /fer/

Fair

justo; razonable; atractivo
Meaning
just and reasonable; treating people equally; light in color; attractive
Example
The judge made a fair decision in the case.
El juez tomó una decisión justa en el caso.
A1 verb /flaɪ/

fly

volar
Meaning
to move through the air using wings or in an aircraft
Example
Birds fly south for the winter.
Los pájaros vuelan hacia el sur para el invierno.
C2 verb /ˈflʌməks/

flummox

confundir
Meaning
To confuse or bewilder someone completely.
Example
The complicated puzzle flummoxed the students.
El complicado rompecabezas confundió a los estudiantes.
C1 noun /ˈfɔːrˌrʌnər/

forerunner

precursor
Meaning
A person or thing that comes before another; a predecessor or harbinger.
Example
The Wright brothers were the forerunners of modern aviation.
Los hermanos Wright fueron los precursores de la aviación moderna.
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.
B2 noun /ˈfɔːrmjələ/

formula

fórmula
Meaning
a fixed method for doing something; a mathematical or chemical rule expressed in symbols
Example
The scientist discovered a new formula for the medicine.
El científico descubrió una nueva fórmula para la medicina.
B2 verb /fʊlˈfɪl/

fulfil

cumplir
Meaning
to complete or achieve something that was expected or promised; to satisfy a requirement or desire
Example
She worked hard to fulfil her dream of becoming a doctor.
Trabajó duro para cumplir su sueño de convertirse en doctora.
C2 noun /fækˈsɪmɪli/

facsimile

copia
Meaning
an exact copy or reproduction of a document
Example
He sent a facsimile of the contract to the client.
Envió una copia del contrato al cliente.
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.
B2 noun ˈflaɪ.ɪŋ kɑːrz

flying cars

autos voladores
Meaning
Vehicles that can travel both on roads and in the air.
Example
Flying cars could soon solve urban traffic congestion.
Los autos voladores pronto podrían resolver el problema del tráfico urbano.
B2 noun /ˈfriːdəm ˌfaɪtər/

freedom fighter

luchador por la libertad
Meaning
a person who takes part in an armed or political struggle to achieve freedom or independence for their people or country
Example
The freedom fighter dedicated his life to the liberation of his homeland.
El luchador por la libertad dedicó su vida a la liberación de su patria.
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 adverb /ˈfɜː.vənt.li/

Fervently

con fervor; ardientemente;
Meaning
with passionate intensity; ardently; with great emotion or enthusiasm
Example
She fervently hoped that her dreams would come true.
Ella esperaba fervientemente que sus sueños se hicieran realidad.
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.
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.
C2 noun /ˈfʌriər/

furrier

peluquero
Meaning
A person who prepares or deals in furs.
Example
The furrier displayed fine coats in his shop.
El peluquero exhibió abrigos finos en su tienda.
B2 adverb /ˈfeɪθ.fəl.i/

Faithfully

fielmente
Meaning
in a loyal and steadfast manner; with dedication
Example
She faithfully attended every meeting despite her busy schedule.
Ella asistió fielmente a todas las reuniones a pesar de su apretada agenda.
C2 noun /fluːk/

fluke

golpe de suerte
Meaning
A stroke of luck; an unexpected piece of good fortune.
Example
Winning the lottery was a complete fluke.
Ganar la lotería fue un completo golpe de suerte.
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.
B2 noun /faʊl/

Fowl

ave de corral
Meaning
a domesticated bird kept for meat or eggs; chicken or other poultry
Example
The farmer raised fowl in his backyard for fresh eggs and meat.
El granjero criaba aves de corral en su jardín trasero para huevos frescos y carne.
A1 noun/verb /fɪʃ/

fish

felicidad
Meaning
an aquatic animal with gills, or to try to catch such animals
Example
He went to the lake to fish early in the morning.
Ella no pudo ocultar su felicidad cuando recibió el premio.
A2 verb /fiːd/

feed

alimentar
Meaning
to give food to a person or animal
Example
She feeds the birds every morning.
Ella alimenta a los pájaros todas las mañanas.
B2 verb ˈfaɪ.nəl.aɪz

finalize

finalizar
Meaning
To complete arrangements for something; put into final form.
Example
The treaty was finalized after the discussions.
El tratado fue finalizado después de las discusiones.
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.
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.
A1 preposition /fɔːr/

for

para
Meaning
used to indicate purpose, destination, or recipient
Example
This gift is for you.
Este regalo es para ti.
B2 adjective /ˌfjuːtʃəˈrɪstɪk/

futuristic

futurista
Meaning
Having or involving very modern technology or design that is advanced beyond what is currently available
Example
Futuristic technologies are transforming industries worldwide.
Las tecnologías futuristas están transformando las industrias en todo el mundo.
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 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 /ˈflæs.ɪd/

Flaccid

flácido; flojo; colapsado;
Meaning
soft and limp; lacking firmness; drooping
Example
The plant's leaves became flaccid after days without water.
Las hojas de la planta se volvieron flácidas después de varios días sin agua.
C1 noun /fəˈnætɪsɪzəm/

fanaticism

fanatismo
Meaning
the quality of being fanatical; extreme zeal or obsession
Example
Religious fanaticism can lead to intolerance and conflict.
El fanatismo religioso puede llevar a la intolerancia y al conflicto.
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.
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 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.
A1 noun /flɔːr/

floor

suelo
Meaning
the lower surface of a room, on which one may walk
Example
The floor was covered with a soft carpet.
El suelo estaba cubierto con una alfombra suave.
B2 adjective /ˈfraɪtfəl/

frightful

espantoso
Meaning
causing fear or horror; very unpleasant
Example
The hikers faced frightful weather conditions on the mountain.
Los excursionistas enfrentaron condiciones climáticas espantosas en la montaña.
B2 adjective /ˈfræʤaɪl/

fragile

frágil
Meaning
Easily broken or damaged; delicate.
Example
Be careful with that vase, it's very fragile.
Ten cuidado con ese jarrón, es muy frágil.
A2 adjective /ˈfɔːrən/ or /ˈfɑːrən/

foreign

extranjero
Meaning
Belonging to or coming from another country.
Example
She loves studying foreign languages.
A ella le encanta estudiar lenguas extranjeras.
A2 adjective /ˈfæstɪst/

fastest

más rápido
Meaning
moving or capable of moving at the highest speed
Example
Usain Bolt is the fastest runner in the world.
Usain Bolt es el corredor más rápido del mundo.
C2 noun /ˌfoʊ.mənˈteɪ.ʃən/

fomentation

incitación, estimulación
Meaning
The action of instigating or stirring up; also the application of warm substances to the body to ease pain.
Example
His speech led to the fomentation of violence in the region.
Su discurso llevó a la fomentación de la violencia en la región.
A2 determiner/adjective /ˈfjuːər/

fewer

menos
Meaning
a smaller number of; not as many
Example
Fewer people attended the meeting than expected.
Menos personas asistieron a la reunión de lo esperado.
B2 adjective /ˈfɛmənɪn/

feminine

femenino
Meaning
having qualities traditionally associated with women; feminine in nature
Example
She has a very feminine style of dressing.
Ella tiene un estilo muy femenino de vestir.
C2 adjective /ˈfækʃəs/

factious

faccionado
Meaning
causing disagreement or division within a group; inclined to form factions
Example
The debate became factious, splitting the committee into rival camps.
El debate se volvió faccioso, dividiendo al comité en campos rivales.
C2 noun /ˈfaɪnəri/

finery

ropa o adornos lujosos
Meaning
expensive or elaborate clothes, decorations, or accessories
Example
She attended the party in her finest finery.
Ella asistió a la fiesta con su mejor vestimenta.
B1 adjective /ˈflek.sə.bəl/

Flexible

flexible; fácil de adaptar
Meaning
able to bend easily; adaptable to change; not rigid
Example
She has a flexible work schedule that allows her to work from home.
Ella tiene un horario de trabajo flexible que le permite trabajar desde casa.
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.
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.
C2 adjective /ˈfrɪski/

Frisky

vivaz; energético; juguetón; travieso
Meaning
lively; energetic; playful; mischievous
Example
The frisky puppy ran around the garden playfully.
El cachorro juguetón corrió alrededor del jardín de manera juguetona.
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 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.
A1 verb /ˈfɪnɪʃ/

finish

terminar
Meaning
to complete or bring to an end; to reach the final point
Example
She finished her homework before dinner.
Ella terminó su tarea antes de la cena.
A1 verb /fərˈɡet/

forget

olvidar
Meaning
to be unable to remember something; to fail to bring something to mind
Example
Don't forget to lock the door when you leave.
No olvides cerrar la puerta cuando te vayas.
C1 noun /fiˈæs.koʊ/

fiasco

fracaso total
Meaning
a complete failure, especially a ludicrous or humiliating one
Example
The event turned into a complete fiasco due to poor planning.
El evento se convirtió en un fracaso total debido a una mala planificación.
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 adjective /ˈfɔːlti/

faulty

defectuoso
Meaning
Having defects or imperfections; not working properly
Example
The device stopped working because it was faulty.
El dispositivo dejó de funcionar porque estaba defectuoso.
C2 verb /flɪt/

flit

revolotear
Meaning
to move quickly and lightly from one place to another
Example
Butterflies flitted from flower to flower.
Las mariposas revoloteaban de flor en flor.
A2 adjective /ˈfuː.lɪʃ/

Foolish

tonto; estúpido; ridículo
Meaning
lacking good sense or judgment; unwise; silly
Example
It was foolish of him to drive in such heavy rain.
Fue tonto de su parte conducir con tanta lluvia.
A2 adjective /ˈfɔːrməl/

formal

formal
Meaning
done in accordance with rules of convention or etiquette; official or serious in nature
Example
He wore a formal suit to the wedding.
Él usó un traje formal para la boda.
A1 adjective /fɜːrst/

first

primero
Meaning
coming before all others in time, order, or importance
Example
She was the first to arrive at the meeting.
Ella fue la primera en llegar a la reunión.
C2 noun /fləˈtɪlə/

flotilla

flotilla
Meaning
A small fleet of ships or boats operating together.
Example
A flotilla of fishing boats left the harbor at dawn.
Una flotilla de barcos pesqueros salió del puerto al amanecer.
C2 noun /ˈfrækɑː/

fracas

escándalo
Meaning
A noisy disturbance or quarrel.
Example
The fracas outside the bar drew the attention of the police.
El escándalo fuera del bar llamó la atención de la policía.
A2 noun /fɪlm ˈæktər/

film actor

actor de cine
Meaning
A person who performs roles in movies or films.
Example
The film actor received widespread acclaim for his performance.
El actor de cine recibió elogios generalizados por su actuación.
C2 noun /ˈfriːˌbuːtər/

freebooter

pirata
Meaning
A pirate or plunderer who roams freely in search of wealth.
Example
The freebooter raided the merchant ships along the coast.
El fríbuter asaltó los barcos mercantes a lo largo de la costa.
C1 adjective /ˈfleɪɡrənt/

flagrant

escandaloso y claramente erróneo
Meaning
shockingly noticeable or evident; glaringly wrong
Example
It was a flagrant violation of the rules.
Fue una clara violación de las reglas.
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.
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.
B1 adverb /ˈfɔːtʃənətli/

fortunately

afortunadamente
Meaning
by good luck; luckily
Example
Fortunately, no one was injured in the accident.
Afortunadamente, nadie resultó herido en el accidente.
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.
A2 noun, verb /fuːl/

fool

tonto
Meaning
a silly or stupid person; to trick someone
Example
He felt like a fool after believing the prank.
Se sintió como un tonto después de creer en la broma.
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.
B2 adjective, noun /ˈfeɪʃəl/

facial

facial
Meaning
Relating to the face; a beauty treatment for the face
Example
She booked a facial at the spa.
Ella reservó un facial en el spa.
C2 noun /fəˈlɪsɪti/

felicity

felicidad
Meaning
intense happiness; the ability to find appropriate expression for one's thoughts
Example
She was known for her felicity in conversation and cheerful nature.
Era conocida por su felicidad en las conversaciones y su naturaleza alegre.
B2 adjective /fɪərs/

Fierce

feroz; agresivo; mostrando gran sentimiento o determinación
Meaning
violent; aggressive; showing strong feeling or determination
Example
The fierce storm destroyed many houses in the village.
La tormenta feroz destruyó muchas casas en el pueblo.
B2 noun /ˈfjʊr.i/

Fury

furia salvaje o violenta;
Meaning
wild or violent anger; extreme intensity of emotion or activity
Example
His fury was evident when he discovered someone had stolen his bicycle.
Su furia fue evidente cuando descubrió que alguien había robado su bicicleta.
C2 adjective /ˈfrɒlɪksəm/

Frolicsome

juguetón; alegre; vivaz
Meaning
joyful; playful; merry; cheerful
Example
The frolicsome children laughed and played in the park.
Los niños juguetones rieron y jugaron en el parque.
A2 noun /fɪər/

Fear

miedo; temor
Meaning
an unpleasant emotion caused by the belief that someone or something is dangerous
Example
She overcame her fear of heights by taking rock climbing lessons.
Ella superó su miedo a las alturas tomando clases de escalada.
C2 noun /ˈflɛdʒlɪŋ/

fledgeling

pájaro joven
Meaning
A young bird that has just developed its feathers and is learning to fly; a beginner.
Example
The fledgeling was trying hard to take its first flight.
El pájaro joven estaba tratando de hacer su primer vuelo.
A2 noun /fluː/

flu

gripe
Meaning
a contagious viral illness causing fever, aches, and respiratory symptoms; influenza
Example
She stayed home because she had the flu.
Se quedó en casa porque tenía gripe.
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.
C2 adjective /fækˈtɪʃəs/

factitious

artificial, no genuino
Meaning
artificial or fabricated; not natural or genuine
Example
The excitement in his story seemed factitious and forced.
La emoción en su historia parecía artificial y forzada.
A1 adjective /fʊl/

full

lleno
Meaning
Containing as much or as many as possible; complete.
Example
The glass is full of water.
El vaso está lleno de agua.
C2 noun /ˈfɪlɪɡri/

filigree

trabajo ornamental delicado, generalmente de oro o plata
Meaning
delicate ornamental work of fine wire, usually of gold or silver
Example
The necklace was decorated with intricate gold filigree.
El collar estaba decorado con intrincados filigríes de oro.
C2 noun /ˈfjʊr.ʌŋ.kəl/

Furuncle

forúnculo; bulto;
Meaning
a painful pus-filled bump under the skin caused by infected, inflamed hair follicles
Example
The doctor prescribed antibiotics to treat the painful furuncle on his neck.
El doctor recetó antibióticos para tratar el doloroso furúnculo en su cuello.
B2 noun /ˈfɔːrəm/

forum

foro
Meaning
A place, meeting, or medium where ideas and views can be exchanged.
Example
The online forum allows people to discuss a wide range of topics.
El foro en línea permite a las personas discutir una amplia gama de temas.
C2 adjective /ˈfæð.əm.ləs/

fathomless

incomprensible o insondable
Meaning
impossible to understand or measure; very deep
Example
The ocean seemed fathomless as it stretched to the horizon.
El océano parecía incomprensible cuando se extendía hasta el horizonte.
B2 noun /ˈfɛə(r)nɪs/

fairness

equidad
Meaning
the quality of being free from bias, favoritism, or injustice
Example
She always strives for fairness in her decisions.
Ella siempre lucha por la equidad en sus decisiones.
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.
C1 adjective /ˈfeɪl.seɪf/

fail-safe

antifallo
Meaning
designed to prevent failure or accidents; guaranteed to work correctly
Example
The engineers installed a fail-safe mechanism in the nuclear plant.
Los ingenieros instalaron un mecanismo antifallo en la planta nuclear.
B2 adjective /ˈfeɪθ.fəl/

Faithful

fiel; leal; comprometido
Meaning
loyal and committed; reliable; true to one's beliefs
Example
She remained faithful to her principles throughout her career.
Ella permaneció fiel a sus principios a lo largo de su carrera.
B1 adjective /ˈfriːkwənt/

Frequent

frecuente
Meaning
happening often; occurring regularly; repeated
Example
He makes frequent visits to his grandmother.
él hace visitas frecuentes a su abuela.