flu
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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.
B1 verb /ˈfraɪtən/

frighten

asustar
Meaning
to cause fear or alarm in someone
Example
The loud noise frightened the child.
El ruido fuerte asustó al niño.
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.
C2 verb /ˈfæmɪʃ/

famish

morirse de hambre
Meaning
to suffer or cause to suffer from extreme hunger
Example
The stranded hikers began to famish after several days without food.
Los excursionistas varados comenzaron a morirse de hambre después de varios días sin comida.
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.
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 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 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.
A2 noun ˈfriː.dəm

freedom

libertad
Meaning
The power or right to act, speak, or think as one wants without hindrance or restraint.
Example
Freedom empowers self-expression.
La libertad potencia la auto-expresión.
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.
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.
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.
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.
C1 adverb /ˈfɪksɪdli/

Fixedly

fijamente
Meaning
in a steady, unmoving manner; with intense concentration
Example
He stared fixedly at the painting.
Él miró fijamente la pintura.
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.
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.
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.
B2 verb /fliː/

flee

huir
Meaning
To run away from danger or a threatening situation.
Example
The villagers had to flee during the flood.
Los aldeanos tuvieron que huir durante la inundación.
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.
B2 verb /ˈfɜːrnɪʃ/

furnish

amueblar, proporcionar
Meaning
to provide or supply with furniture or equipment
Example
They furnished the new house with modern furniture.
Ellos amueblaron la nueva casa con muebles modernos.
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.
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.
B1 noun /ˈfeɪ.vər/

Favour

favor; ayuda; bondad
Meaning
approval, support, or liking for someone or something; a kind or helpful act
Example
Could you do me a favour and help me move this heavy box?
¿Podrías hacerme un favor y ayudarme a mover esta caja pesada?
A2 adverb/adjective/verb /ˈfɜːrðər/

further

avanzar
Meaning
At a greater distance; to advance or promote something.
Example
She studied hard to further her career.
Ella estudió mucho para avanzar en su carrera.
B2 adjective, noun, verb /faʊl/

foul

sucio, injusto
Meaning
offensive to the senses; dirty or unpleasant; in sports, an unfair or illegal act
Example
The player was penalized for committing a foul.
El jugador fue penalizado por cometer una falta.
C2 noun /flæks/

flax

lino
Meaning
a plant whose fibers are used to make linen and whose seeds are edible
Example
Flax is often used in making linen fabrics.
El lino se usa a menudo para hacer telas de lino.
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 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.
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.
C2 noun /fluː/

flue

conducto de humos
Meaning
A pipe or channel for smoke and waste gases produced by a fire, gas heater, or power station.
Example
The chimney flue needs to be cleaned regularly.
El conducto de humos de la chimenea necesita ser limpiado regularmente.
B2 noun ˈfeɪs tə ˈfeɪs ˈbætl

face-to-face battle

batalla cara a cara
Meaning
A direct confrontation or fight between opposing forces.
Example
The warriors fought a face-to-face battle with the enemies.
Los guerreros lucharon una batalla cara a cara con los enemigos.
B1 noun /ˈfɔːr.tʃən/

Fortune

fortuna; suerte; riqueza
Meaning
chance or luck as an external, arbitrary force affecting human affairs; a large amount of money or assets
Example
He made his fortune by investing wisely in technology companies.
Hizo su fortuna invirtiendo sabiamente en empresas tecnológicas.
A2 verb /fɪl/

fill

llenar
Meaning
to make or become full; to put something into a container until it is full
Example
Please fill the glass with water.
Por favor, llene el vaso con agua.
C2 noun /fɔːn/

faun

fauno (criatura mitológica)
Meaning
a mythological creature that is half human and half goat
Example
The sculpture depicted a playful faun dancing in the forest.
La escultura representaba un fauno juguetón bailando en el bosque.
C1 verb /ˈflʌtər/

flutter

aletear / temblar
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.
La mariposa comenzó a aletear sus alas en la luz del sol.
C1 noun fluˈɪd.ɪ.ti

fluidity

fluididez
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.
La fluididez de los movimientos de la bailarina era hipnotizante.
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.
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 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 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.
C2 noun /ˈfrɔːdjʊləns/

fraudulence

fraude
Meaning
The quality or state of being fraudulent; deceitfulness.
Example
The audit revealed fraudulence in the financial statements.
La auditoría reveló fraude en los estados financieros.
C2 noun /ˈfiːæt/

fiat

decreto, mandato
Meaning
an official order or decree; authoritative command
Example
The new policy was enacted by royal fiat.
La nueva política fue implementada por un decreto real.
C2 adjective /ˈfiːkənd/

fecund

fértil, productivo
Meaning
producing or capable of producing an abundance of offspring or new growth; fertile
Example
The fecund soil produced a bountiful harvest this year.
El suelo fértil produjo una cosecha abundante este año.
B1 verb /ˈfɛri/

ferry

transportar en ferry
Meaning
to transport by boat; to carry back and forth
Example
The boat ferried passengers across the river.
El bote transportó a los pasajeros a través del río.
B2 noun /foʊm/

Foam

espuma
Meaning
a mass of small bubbles formed on or in liquid; frothy white mass
Example
The waves crashed against the rocks, creating white foam on the shore.
Las olas chocaron contra las rocas, creando espuma blanca en la orilla.
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.
C2 adjective /ˈfɛkləs/

feckless

inepto, irresponsable
Meaning
lacking initiative or strength of character; irresponsible
Example
His feckless attitude at work caused several missed deadlines.
Su actitud inepta en el trabajo causó varios plazos perdidos.
A2 noun /ˈfɑː.mɪŋ/

farming

agricultura
Meaning
the activity or business of growing crops and raising animals for food or other products
Example
Farming requires both hard work and knowledge about the land.
La agricultura requiere tanto trabajo duro como conocimiento sobre la tierra.
A2 adjective /fɪfθ/

fifth

quinto
Meaning
constituting number five in a sequence
Example
She lives on the fifth floor of the building.
Ella vive en el quinto piso del edificio.
B2 noun /ˈfʌndˌreɪzɪŋ/

fundraising

recaudación de fondos
Meaning
the process of collecting money for a cause or project
Example
The organization is organizing a fundraising event.
La organización está organizando un evento de recaudación de fondos.
B2 noun /fluːt/

Flute

flauta
Meaning
a musical wind instrument with holes along its length that is played by blowing across a hole at one end
Example
He played a sweet melody on his flute.
Él tocó una dulce melodía en su flauta.
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.
B2 noun /ˈfriː.kwən.si/

Frequency

frecuencia
Meaning
the rate at which something occurs or is repeated over a particular period of time
Example
The frequency of earthquakes in this region has increased dramatically over the past decade.
La frecuencia de los terremotos en esta región ha aumentado drásticamente en la última década.
B2 noun ˈfjuː.tʃɚ ˌdʒen.əˈreɪ.ʃənz

future generations

futuras generaciones
Meaning
People who have not yet been born, considered in terms of the environment or society they will inherit.
Example
Sustainable development ensures a better life for future generations.
El desarrollo sostenible asegura una mejor vida para las futuras generaciones.
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.
B2 noun /ˈfleɪ.vər/

Flavour

sabor
Meaning
the distinctive taste of a food or drink; a particular quality or atmosphere
Example
The soup had a rich flavour of herbs and spices from the garden.
La sopa tenía un rico sabor de hierbas y especias del jardín.
B2 adjective /ˈfeɪvərəbəl/

favorable

favorable
Meaning
expressing approval or support; advantageous
Example
The weather conditions were favorable for the outdoor event.
Las condiciones climáticas fueron favorables para el evento al aire libre.
C1 noun /ˈfɪʃˌmʌŋ.ɡər/

fishmonger

pescadero
Meaning
a person or store that sells fish
Example
I bought fresh salmon from the local fishmonger.
Compré salmón fresco del pescadero local.
C2 adjective /ˈfʊl.dʒənt/

fulgent

brillante
Meaning
Shining brightly; dazzling.
Example
The fulgent stars lit up the night sky.
Las estrellas brillantes iluminaron el cielo nocturno.
C1 noun/verb /fliːs/

fleece

lana de oveja
Meaning
The woolly covering of a sheep; as a verb, to swindle or cheat someone.
Example
The farmer sheared the sheep’s fleece carefully.
El granjero esquiló el vellón de la oveja cuidadosamente.
B1 verb /fəʊld/

fold

doblar
Meaning
to bend something, especially paper or cloth, so that one part covers another
Example
She folded the letter neatly before placing it in the envelope.
Ella dobló la carta cuidadosamente antes de colocarla en el sobre.
C2 adjective /ˈfɒksi/

foxy

astuto
Meaning
Clever, cunning, or attractive.
Example
He came up with a foxy plan to win the game.
Él ideó un plan astuto para ganar el juego.
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.
C2 adjective /ˈfɔːnɪŋ/

fawning

adulador excesivo
Meaning
displaying exaggerated flattery or affection
Example
Her fawning compliments made everyone uncomfortable.
Sus adulaciones excesivas hicieron que todos se sintieran incómodos.
C2 noun /ˈfɔːrˌnɑːlɪdʒ/

foreknowledge

preconocimiento
Meaning
Awareness of something before it happens or exists.
Example
The prophet claimed to have foreknowledge of the event.
El profeta afirmó tener preconocimiento del evento.
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.
C2 adjective /ˈfæsaɪl/

Facile

fácil; superficial; carente de profundidad
Meaning
easily achieved; superficial; lacking depth
Example
His facile explanation didn't address the real problem.
Su explicación fácil no abordó el problema real.
C2 noun /fiːˈkʌndɪti/

fecundity

fecundidad, fertilidad
Meaning
the ability to produce an abundance of offspring or new growth; fertility
Example
The fecundity of the river delta supports diverse wildlife.
La fecundidad del delta del río apoya la diversidad de la vida silvestre.
B2 noun /ˈflɒrɪst/

florist

florista
Meaning
A person who sells and arranges flowers.
Example
We bought a bouquet from the local florist.
Compramos un ramo en el florista local.
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.
A1 noun ˈflaʊərz

Flowers

flor
Meaning
The reproductive structures of plants that provide nectar for butterflies.
Example
Butterflies are attracted to colorful flowers.
Las mariposas se sienten atraídas por las flores coloridas.
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.
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.
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!
B2 noun /ˈfækəlti/

faculty

facultad, capacidad
Meaning
an inherent mental or physical ability; a division of a university
Example
She has a remarkable faculty for languages.
Ella tiene una facultad notable para los idiomas.
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 /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.
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.
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.
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.
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.
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.
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 /ˈflɪk.ər/

flicker

parpadear
Meaning
to shine unsteadily or waver between light and dark
Example
The candle flickered in the wind.
La vela parpadeaba en el viento.
B2 noun /ˈfeɪ.lɪŋ/

Failing

debilidad; defecto; falla
Meaning
a weakness, especially in a person's character; a fault
Example
His only failing is that he talks too much during meetings.
Su única debilidad es que habla demasiado durante las reuniones.
A1 adjective /ˈfeɪ.məs/

famous

famoso
Meaning
Known about by many people; renowned.
Example
This area is famous for its unique heritage.
Esta área es famosa por su herencia única.
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.
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 noun /ˈflɔː.rə/

flora

la vida vegetal encontrada en una región o hábitat particular
Meaning
The plant life found in a particular region or habitat.
Example
The Amazon rainforest is home to a vast flora diversity.
La selva amazónica es hogar de una gran diversidad de flora.
C2 adjective /ˈfæn.sɪ.ləs/

fanciless

sin imaginación, común
Meaning
without imagination or creativity; plain or ordinary
Example
His drawings were simple and fanciless.
Sus dibujos eran simples y sin imaginación.
B2 noun /feɪt/

Fate

destino
Meaning
the development of events beyond a person's control, regarded as determined by a supernatural power
Example
Many people believe that fate determines the course of their lives.
Muchas personas creen que el destino determina el curso de sus vidas.
B2 noun /ˈfɪks.tʃər/

fixture

objeto permanente, material instalado
Meaning
a permanent or fixed object, often in a house or building
Example
The bathroom fixture was installed yesterday.
El accesorio del baño fue instalado ayer.
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 adjective /ˈfliː.tɪŋ/

fleeting

efímero
Meaning
Lasting for a very short time; passing quickly.
Example
Happiness can be fleeting, so cherish every moment.
La felicidad puede ser efímera, así que aprecia cada momento.
B2 noun /fʌs/

Fuss

alboroto; agitación; preocupación innecesaria
Meaning
unnecessary worry or bother about something; agitated excitement over a trivial matter
Example
She made such a fuss about the small stain on her dress that everyone noticed.
Hizo tanto alboroto por la pequeña mancha en su vestido que todos lo notaron.
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 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.
B2 verb /fjuːz/

fuse

fusionar
Meaning
To join or blend two or more things together into one.
Example
The two metals fused under high heat.
Los dos metales se fusionaron bajo calor alto.
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.
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.
A1 verb /feɪs/

face

enfrentar
Meaning
to confront or deal with; to turn toward; to have the front in a particular direction
Example
She had to face many challenges in her new job.
Ella tuvo que enfrentar muchos desafíos en su nuevo trabajo.
B2 adjective /ˈfɔːrtʃənət/

fortunate

afortunado
Meaning
Having good luck or receiving something desirable by chance.
Example
She was fortunate to escape the accident without injuries.
Ella fue afortunada de escapar del accidente sin heridas.
C2 noun /ˈfɜːrlɔːŋ/

furlong

unidad de distancia (220 yardas o aproximadamente 201 metros)
Meaning
a unit of distance equal to 220 yards or about 201 meters
Example
The horse ran a furlong before slowing down.
El caballo corrió un furlong antes de desacelerar.
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.
B2 noun /faɪˈnæn.ʃəl rɪˌspɒn.sɪˈbɪl.ə.ti/

financial responsibility

responsabilidad financiera
Meaning
The practice of managing money and other financial resources in a responsible and effective manner.
Example
Financial responsibility ensures long-term economic stability.
La responsabilidad financiera asegura la estabilidad económica a largo plazo.
B2 adverb /ˈfɔːrməli/

formally

formalmente
Meaning
in a formal or official manner; according to established rules or conventions
Example
The agreement was formally signed by both parties.
El acuerdo fue firmado formalmente por ambas partes.
C2 verb /fleɪl/

flail

agitar o mover algo de manera salvaje; forcejear
Meaning
to wave or swing something about wildly; to thrash about
Example
He flailed his arms to keep afloat in the water.
Él agitó sus brazos para mantenerse a flote en el agua.
B2 noun /ˈfaɪ.bər/

fibre

fibra
Meaning
A thread or filament from which a vegetable tissue, mineral substance, or textile is formed; dietary material that aids digestion.
Example
Eating foods rich in fibre can improve your digestion.
Comer alimentos ricos en fibra puede mejorar tu digestión.
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 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.
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.
A1 noun /ˈfɑːðər/

father

felicidad
Meaning
A male parent of a child.
Example
His father taught him how to ride a bicycle.
Ella no pudo esconder su felicidad cuando recibió el premio.
C2 noun /ˈfɔːltˌfaɪndər/

faultfinder

buscador de fallos
Meaning
a person who habitually finds fault with others
Example
He is such a faultfinder that nothing anyone does is ever good enough.
Es un buscador de fallos tan grande que nada de lo que haga alguien está nunca lo suficientemente bien.
B1 adjective /fɜːrm/

Firm

firme; sólido; resistente; que no cede a la presión
Meaning
solid; stable; strong; not yielding to pressure
Example
She has a firm grip on the rope.
Ella tiene un firme agarre de la cuerda.
B2 verb /flɪp/

flip

voltear
Meaning
to turn over quickly or suddenly; to toss lightly
Example
She flipped the pancake in the pan.
Ella volteó el panqueque en la sartén.
C1 noun /ˈfɔːrɡraʊnd/

foreground

primer plano
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.
Las flores en el primer plano iluminaron la imagen.
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.
C2 adjective /ˈfiːtɪd/

foetid

hediondo
Meaning
having an offensive, unpleasant smell
Example
The foetid smell from the garbage made it hard to breathe.
El hedor del basurero hizo que fuera difícil respirar.
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 /frɔːd/

Fraud

fraude
Meaning
wrongful or criminal deception intended to result in financial or personal gain
Example
The company was investigated for credit card fraud and money laundering.
La empresa fue investigada por fraude con tarjeta de crédito y lavado de dinero.
A2 adverb, adjective, verb, noun /ˈfɔːrwərd/

forward

adelante
Meaning
toward the front; to advance or send ahead; an onward position or direction
Example
The troops moved forward to secure the bridge.
Las tropas se movieron hacia adelante para asegurar el puente.