feasibility
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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 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 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.
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.
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.
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.
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.
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.
A2 number /ˈfɪfti/

fifty

cincuenta
Meaning
the number 50
Example
The stadium can hold fifty thousand people.
El estadio puede albergar cincuenta mil personas.
A2 noun /fiːld/

field

campo
Meaning
an area of open land, often used for farming, sports, or scientific study
Example
The children played football in the field.
Los niños jugaron al fútbol en el campo.
B2 adjective /ˈfɪr.fəl/

fearful

temeroso
Meaning
feeling afraid or showing fear
Example
She was fearful of walking alone at night.
Ella tenía miedo de caminar sola por la noche.
C1 noun flɛər

flair

habilidad natural
Meaning
A natural ability to do something well.
Example
She has a flair for design, always creating visually stunning work.
Ella tiene una habilidad especial para el diseño, siempre creando trabajos visualmente impresionantes.
B2 noun /ˈfeɪbəl/

fable

fábula
Meaning
a short story, typically featuring animals as characters, that conveys a moral lesson
Example
Aesop’s fables are famous for teaching valuable lessons through simple stories.
Las fábulas de Esopo son famosas por enseñar valiosas lecciones a través de historias simples.
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 fəˈsɪl.ɪ.tiz

facilities

instalaciones
Meaning
A place, amenity, or piece of equipment provided for a particular purpose.
Example
Facilities improve industrial productivity.
Las instalaciones mejoran la productividad industrial.
A2 adverb /ˈfaɪ.nəl.i/

Finally

finalmente
Meaning
at last; after a long time; in the end; as the last point
Example
After years of hard work, she finally achieved her goal.
Después de años de arduo trabajo, ella finalmente alcanzó su meta.
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.
A1 noun /ˈfɛb.ruˌɛr.i/

february

febrero
Meaning
The second month of the year in the Gregorian calendar, typically having 28 days, or 29 in a leap year.
Example
My birthday is in February, so I always look forward to this month.
Mi cumpleaños es en febrero, así que siempre espero con ansias este mes.
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.
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.
A1 noun /faɪər/

Fire

fuego
Meaning
combustion or burning, in which substances combine chemically with oxygen from the air
Example
The fire in the fireplace provided warmth and a cozy atmosphere.
El fuego en la chimenea proporcionó calor y un ambiente acogedor.
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 /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.
A2 noun /ˈfæktəri/

factory

fábrica
Meaning
A building or group of buildings where goods are manufactured.
Example
He works in a shoe factory.
Él trabaja en una fábrica de zapatos.
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.
A2 noun /ˈfɪʃ.ər.mən/

Fisherman

pescador
Meaning
a person who catches fish as a job or hobby
Example
The fisherman caught three large fish in the river today.
El pescador atrapó tres grandes peces en el río hoy.
C1 adjective /ˈfrɛn.zid/

frenzied

frenético
Meaning
Wildly excited or uncontrolled
Example
The frenzied crowd cheered as the band took the stage.
La multitud frenética vitoreó cuando la banda subió al escenario.
A2 verb /fraɪ/

fry

freír
Meaning
to cook food in hot oil or fat
Example
She fries eggs for breakfast every morning.
Ella fríe huevos para el desayuno todas las mañanas.
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.
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.
C2 noun /foʊl fʊt/

Foal-foot

flor de pezuña de caballo
Meaning
a yellow flowering plant with leaves shaped like a horse's hoof, also known as coltsfoot
Example
The foal-foot plant grows wild in many meadows and is often the first flower to bloom in spring.
La planta de pezuña de caballo crece silvestre en muchos prados y a menudo es la primera flor en florecer en primavera.
A1 adjective /fɑːst/

Fast

rápido; veloz
Meaning
moving or happening quickly; rapid; swift
Example
She runs very fast in the morning.
Ella corre muy rápido por la mañana.
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.
A2 verb /friːz/

freeze

congelar
Meaning
to become solid due to cold; to preserve by cold
Example
Water freezes at zero degrees Celsius.
El agua se congela a cero grados Celsius.
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.
A1 verb /fɔːl/

fall

caer
Meaning
to drop down from a higher place; to decrease; to happen or occur
Example
The leaves fall from the trees in autumn.
Las hojas caen de los árboles en otoño.
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 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 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.
A2 adjective /fəˈmɪl.jər/

Familiar

familiar; conocido; informal y amistoso
Meaning
well-known; easily recognized; having knowledge of; informal and friendly
Example
This song sounds familiar to me.
Esta canción me suena familiar.
B1 noun /fɔːlt/

Fault

culpa; error; defecto
Meaning
an unattractive or unsatisfactory feature; responsibility for an accident or misfortune
Example
The accident was caused by a fault in the car's braking system.
El accidente fue causado por un fallo en el sistema de frenos del coche.
C1 noun /ˈfʌŋɡəs/

fungus

hongo
Meaning
a spore-producing organism feeding on organic matter, including molds, yeast, and mushrooms
Example
A strange fungus was growing on the old tree.
Un extraño hongo estaba creciendo en el viejo árbol.
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 adjective /ˈfætʃuəs/

fatuous

tonto
Meaning
silly or foolish, especially in a self-satisfied way
Example
His fatuous comments during the meeting annoyed everyone.
Sus comentarios tontos durante la reunión molestaron a todos.
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.
A2 noun /frʌnt/

front

delante
Meaning
the forward-facing part of something
Example
The house has a garden in front.
La casa tiene un jardín delante.
B2 noun ˈfrʌn.tɪərz

frontiers

fronteras
Meaning
The extreme limit of settled land beyond which lies wilderness; the limits of knowledge or achievement in a particular field.
Example
The project pushes the frontiers of space exploration.
El proyecto expande las fronteras de la exploración espacial.
A1 numeral /fɔːr/

four

cuatro
Meaning
The number equivalent to the sum of two and two; one more than three.
Example
She has four books on her desk.
Ella tiene cuatro libros en su escritorio.
C2 noun /ˈfɜːrðərəns/

furtherance

avance
Meaning
The advancement or promotion of something.
Example
The new policy was introduced in furtherance of social justice.
La nueva política se introdujo en pro de la justicia social.
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.
A2 adjective /ˈfɪnɪʃt/

finished

terminado, completo
Meaning
completed or brought to an end
Example
The painting is finished and ready to display.
La pintura está terminada y lista para exhibir.
B1 noun /fɒɡ/

Fog

niebla
Meaning
a thick cloud of tiny water droplets suspended in the atmosphere at or near the earth's surface that reduces visibility
Example
Dense fog covered the highway this morning.
La densa niebla cubrió la carretera esta mañana.
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 verb /feɪz/

faze

perturbar
Meaning
to disturb or disconcert someone; to cause to feel unsettled
Example
She was not fazed by the unexpected question.
Ella no se perturbó por la pregunta inesperada.
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.
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 /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.
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.
B1 noun /ˈfʌndɪŋ/

funding

financiación
Meaning
financial support for a project or organization
Example
The startup is seeking funding from investors.
La startup está buscando financiación de inversores.
B1 noun fʌnd

fund

fondo
Meaning
A sum of money saved or made available for a particular purpose.
Example
The government allocated a fund for disaster relief.
El gobierno asignó un fondo para la ayuda en caso de desastre.
B2 verb ˈfɔːr.mjə.leɪt

formulate

formular
Meaning
To create or develop a plan or idea clearly and specifically, to construct an idea or strategy clearly.
Example
The company must formulate a strategy for expansion.
La empresa debe formular una estrategia para la expansión.
A1 number /ˈfɔːrti/

forty

felicidad
Meaning
the number 40; ten times four
Example
She celebrated her forty years of life with a big party.
Ella no pudo ocultar su felicidad cuando recibió el premio.
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.
C2 noun /ˈfɔːrʃɔːr/

foreshore

orilla
Meaning
The part of the shore between the high and low tide marks
Example
Children were playing on the foreshore, collecting shells.
Los niños estaban jugando en la orilla, recogiendo conchas.
B2 noun /ˈfaʊn.tən/

Fountain

fuente
Meaning
a natural spring of water; an artificial structure from which water flows
Example
The fountain in the park attracts many visitors.
La fuente en el parque atrae a muchos visitantes.
A2 verb /fɪks/

fix

arreglar
Meaning
To repair or make something work again.
Example
The mechanic fixed the broken car.
El mecánico arregló el coche roto.
C1 noun ˌfɔːtɪfɪˈkeɪʃn

fortification

fortificación
Meaning
A defensive wall or other reinforcement built to strengthen a place against attack.
Example
The fortifications protected the city.
Las fortificaciones protegieron la ciudad.
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.
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.
B2 noun/verb /ˈfɒs.tər.ɪŋ/

fostering

fomentar
Meaning
The process of encouraging or promoting the development or growth of something; nurturing and caring for.
Example
Good teachers play a key role in fostering creativity in students.
Los buenos maestros desempeñan un papel clave en fomentar la creatividad en los estudiantes.
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.
C1 noun /frəˈdʒɪl.ɪ.ti/

fragility

fragilidad
Meaning
The quality of being fragile; delicateness.
Example
The cornea's fragility increases with rubbing.
La fragilidad de la córnea aumenta con el frotamiento.
C2 noun /feɪt/

fete

fiesta, celebración
Meaning
a celebration or festival, often in honor of someone
Example
The village held a grand fete to celebrate the harvest.
El pueblo celebró una gran fiesta para celebrar la cosecha.
C2 adjective /ˈfɛtɪd/

fetid

fétido, maloliente
Meaning
having a strong, unpleasant smell
Example
The fetid smell from the garbage was unbearable.
El olor fétido de la basura era insoportable.
C2 noun /ˈflɪpənsi/

flippancy

falta de seriedad
Meaning
lack of seriousness; showing a disrespectful or trivial attitude
Example
His flippancy during the meeting offended his colleagues.
Su falta de seriedad durante la reunión ofendió a sus compañeros.
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.
A2 noun /ˈfiːtʃər/

feature

característica
Meaning
a distinctive attribute or aspect of something; a characteristic
Example
The new phone has a unique camera feature.
El nuevo teléfono tiene una característica única de cámara.
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.
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.
A2 noun /fɔːrk/

Fork

tenedor
Meaning
a tool with two or more prongs used for eating or serving food
Example
Please use a fork to eat your salad.
Por favor, usa un tenedor para comer tu ensalada.
C2 adjective /ˈfʌndʒəbl/

fungible

fungible
Meaning
interchangeable; able to replace or be replaced by another identical item
Example
In finance, money is considered a fungible asset.
En finanzas, el dinero se considera un activo fungible.
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 /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.
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.
B1 noun /ˈfaɪ.tər/

Fighter

avión de combate
Meaning
a military aircraft designed for attacking other aircraft; a person who fights
Example
The fighter jet flew overhead during the military parade.
El avión de combate voló sobre nuestras cabezas durante el desfile militar.
C2 verb /fɔɪst/

foist

imponer a la fuerza
Meaning
To impose something unwelcome or unnecessary on someone.
Example
He tried to foist his old books onto his friends.
Intentó imponer sus viejos libros a sus amigos.
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.
A2 noun /ˈfɑː.loʊ.ɪŋ/

following

seguidores
Meaning
a group of supporters or people who admire something or someone
Example
The singer has a large following around the world.
El cantante tiene una gran cantidad de seguidores alrededor del mundo.
C2 verb /foʊˈmɛnt/

foment

fomentar
Meaning
To instigate or stir up (an undesirable or violent sentiment or course of action).
Example
The rebel leader tried to foment unrest among the people.
El líder rebelde trató de fomentar el descontento entre la gente.
B1 adverb /ˈfeər.li/

Fairly

justamente; moderadamente; razonablemente
Meaning
in a just manner; moderately; reasonably
Example
The test was fairly easy, but some questions were challenging.
El examen fue bastante fácil, pero algunas preguntas fueron desafiantes.
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.
C2 noun /ˈflæɡ ˌɒfɪsər/

flag-officer

oficial de bandera
Meaning
a senior naval officer entitled to fly a flag to mark the command
Example
The flag-officer reviewed the fleet before the ceremony.
El oficial de bandera revisó la flota antes de la ceremonia.
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.
B1 noun /feɪm/

Fame

fama
Meaning
the condition of being known or talked about by many people
Example
The young actor achieved international fame with his latest movie.
El joven actor alcanzó fama internacional con su última película.
C1 noun /fəˈrɒs.ə.ti/

ferocity

ferocidad, violencia, intensidad
Meaning
The state or quality of being ferocious; extreme fierceness or violence.
Example
The storm's ferocity was devastating.
La ferocidad de la tormenta fue devastadora.
B2 noun /ˈfɪlmˌmeɪkər/

film-maker

cineasta
Meaning
A person who directs or produces films
Example
The film-maker received an award for his latest documentary.
El cineasta recibió un premio por su último documental.
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.
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.
C2 noun /ˈfɛndər/

fender

guardabarros
Meaning
a part of a vehicle that frames a wheel well to protect against mud or debris
Example
The car's fender was dented in the accident.
El fender del coche se abolló en el accidente.
A2 noun /ˈfoʊldər/

folder

carpeta
Meaning
a container or directory used to store and organize papers or digital files
Example
I saved all the photos in a separate folder.
Guardé todas las fotos en una carpeta separada.
A1 adverb /fɑːr/

far

lejos
Meaning
at, to, or by a great distance
Example
The school is far from my house.
La escuela está lejos de mi casa.
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.
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.
C2 noun /ˈfɪli/

filly

yegua joven
Meaning
a young female horse
Example
The filly ran swiftly across the meadow.
La potra corrió rápidamente por el campo.
C2 adjective/adverb /feɪn/

fain

gustosamente, con gusto
Meaning
gladly, willingly, or with pleasure
Example
I would fain help you if I had the time.
Si tuviera tiempo, con gusto te ayudaría.
B2 noun /fleʃ/

Flesh

carne
Meaning
the soft substance consisting of muscle and fat that is found between the skin and bones
Example
The doctor examined the wound to check if it had penetrated the flesh.
El doctor examinó la herida para ver si había penetrado en la carne
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.
C1 noun /ˈfoʊ.kəs ˈtræk.ɪŋ/

focus tracking

seguimiento del enfoque
Meaning
A technique of monitoring and maintaining attention on specific tasks or goals.
Example
Proper focus tracking improves productivity.
Un seguimiento adecuado del enfoque mejora la productividad.
C1 noun /ˈfræk.tʃər/

Fracture

fractura; rotura de hueso
Meaning
the cracking or breaking of a hard object or material; a break in a bone
Example
The doctor confirmed that he had a hairline fracture in his wrist.
El doctor confirmó que tenía una fractura en la muñeca.
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 /feɪld/

failed

fallido
Meaning
not successful in achieving a desired result
Example
The project failed to meet the expectations.
El proyecto no logró cumplir con las expectativas.
A1 verb /ˈfɒloʊ/

follow

seguir
Meaning
to move behind someone or something; to go after or come after
Example
The children followed their teacher into the classroom.
Los niños siguieron a su maestro al aula.
C1 noun ˈfɜːr.vɚ

fervor

pasión o entusiasmo
Meaning
Strong passion or enthusiasm for something.
Example
He spoke with great fervor about his vision for the company.
Habló con gran fervor sobre su visión para la empresa.
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.
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.
A2 noun /fækt/

fact

hecho
Meaning
A thing that is known or proved to be true
Example
It is a fact that the Earth orbits the Sun.
Es un hecho que la Tierra orbita alrededor del Sol.
B2 verb /fɔɪl/

foil

frustrar
Meaning
To prevent something (especially a plan) from succeeding.
Example
The police foiled the robbery attempt.
La policía frustró el intento de robo.
B2 verb /ˈfrʌsˌtreɪt/

frustrate

frustrar
Meaning
to prevent from accomplishing; to make someone feel annoyed
Example
The traffic jam frustrated all the commuters.
El embotellamiento de tráfico frustró a todos los pasajeros.
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.
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.
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.