frankincense
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C2 noun /ˈfræŋkɪnsɛns/

frankincense

incienso
Meaning
An aromatic gum resin used in incense and perfumes, often in religious ceremonies.
Example
The temple was filled with the sweet smell of burning frankincense.
El templo estaba lleno del dulce aroma del incienso quemado.
B1 noun /ˈfʌŋkʃən/

function

función
Meaning
An activity or purpose natural to or intended for a person or thing.
Example
The main function of the heart is to pump blood.
La principal función del corazón es bombear sangre.
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.
B2 noun /ˈfræɡ.mənt/

Fragment

fragmento; trozo;
Meaning
a small part broken or separated off something; an incomplete or isolated portion
Example
Archaeologists found fragments of ancient pottery buried in the soil.
Los arqueólogos encontraron fragmentos de cerámica antigua enterrados en el suelo.
C1 noun /fəˈsɑːd/

facade

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

fertilization

fertilización
Meaning
The process of adding nutrients to soil to increase crop productivity.
Example
Organic fertilization enhances soil health.
La fertilización orgánica mejora la salud del suelo.
C1 noun/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.
B1 adjective /ˈfluː.ənt/

Fluent

fluido; elocuente
Meaning
able to speak a language easily and accurately; flowing smoothly and gracefully
Example
She is fluent in three languages including English and French.
Ella es fluida en tres idiomas, incluidos el inglés y el francés.
C2 adjective /fəˈloʊniəs/

felonious

relacionado con un delito grave
Meaning
relating to or involved in serious criminal activity
Example
He was charged with felonious assault after the incident.
Fue acusado de asalto grave después del incidente.
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.
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.
A2 noun /frɒɡ/

Frog

rana
Meaning
a small amphibian animal that lives both in water and on land
Example
The frog jumped from the lily pad into the pond.
La rana saltó desde la almohadilla de lirio al estanque.
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.
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.
C1 noun /fɑːrs/

farce

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

frolic

jugar alegremente
Meaning
to play and move about cheerfully, energetically, or playfully
Example
The children frolicked in the garden all afternoon.
Los niños jugaron alegremente en el jardín toda la tarde.
C2 verb /frɪsk/

frisk

registrar
Meaning
To search a person by patting their clothing to check for concealed items.
Example
The security guard frisked the man at the entrance.
El guardia de seguridad registró al hombre en la entrada.
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.
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 /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.
C1 noun /ˈfrek.əl/

Freckle

peca
Meaning
a small brownish spot on the skin, often becoming more pronounced through exposure to the sun
Example
Her face was covered with cute freckles that appeared every summer.
Su rostro estaba cubierto de lindas pecas que aparecían cada verano.
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.
C1 noun /ˈfɔːrwɜːrd/

foreword

prólogo
Meaning
a short introduction at the beginning of a book, typically written by someone other than the author
Example
The foreword of the book was written by a famous historian.
El prólogo del libro fue escrito por un historiador famoso.
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.
B1 adjective /ˈfrʌstreɪtɪd/

frustrated

frustrado
Meaning
feeling annoyed or upset because of inability to achieve something
Example
She felt frustrated after failing the exam.
Ella se sintió frustrada después de reprobar el examen.
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.
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.
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 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.
C2 noun /fiːf/

fief

un terreno de tierra otorgado bajo el sistema feudal; un dominio o área de control
Meaning
an estate of land held under the feudal system; a domain or area of control
Example
The knight was granted a fief by the lord for his service.
El caballero recibió un feudo del señor por su servicio.
C1 noun /ˈfɛlən/

felon

delincuente
Meaning
a person who has committed a serious crime
Example
The felon was sentenced to ten years in prison.
El delincuente fue sentenciado a diez años de prisión.
C2 adjective /ˈfluːviəl/

fluvial

fluvial
Meaning
relating to or found in a river
Example
The fluvial deposits indicated the presence of an ancient river system.
Los depósitos fluviales indicaron la presencia de un antiguo sistema fluvial.
C1 adjective /freɪl/

frail

débil
Meaning
Physically weak and delicate.
Example
The old man was too frail to walk without help.
El anciano estaba demasiado débil para caminar sin ayuda.
C1 noun /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.
C2 adjective /ˈfæləbl/

fallible

capaz de cometer errores
Meaning
capable of making mistakes or being wrong
Example
Even experts are fallible and can make errors.
Incluso los expertos son falibles y pueden cometer errores.
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.
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.
B2 verb /feɪnt/

faint

desmayarse
Meaning
to lose consciousness for a short time because of a temporary lack of oxygen to the brain
Example
He felt dizzy and fainted in the heat.
Se sintió mareado y se desmayó por el calor.
C2 verb /ˈfjuːmɪˌɡeɪt/

fumigate

fumigar
Meaning
to disinfect or purify an area by using chemical fumes
Example
They fumigated the warehouse to kill the insects.
Ellos fumigaron el almacén para matar los insectos.
B2 adverb /ˌfɜːrðərˈmɔːr/

furthermore

además
Meaning
Used to introduce an additional point or idea; in addition.
Example
The plan is simple and, furthermore, it is affordable.
El plan es sencillo y, además, es asequible.
B2 noun/verb /flɑːk/

flock

bandada
Meaning
a group of birds or animals; to gather or move in a crowd
Example
Tourists flocked to the beach during summer.
Los turistas se aglomeraron en la playa durante el verano.
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.
C1 verb /ˈflaʊndər/

flounder

tambalear
Meaning
To struggle or stagger clumsily; to experience difficulty or confusion.
Example
He floundered in the interview when asked difficult questions.
Él se tambaleó en la entrevista cuando le hicieron preguntas difíciles.
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.
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.
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 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.
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 verb /fraʊn/

frown

fruncir el ceño
Meaning
to wrinkle one's brow in displeasure or concentration
Example
She frowned when she heard the bad news.
Ella frunció el ceño cuando escuchó las malas noticias.
B1 noun, verb /ˈfaɪ.næns/ or /fəˈnæns/

finance

finanzas
Meaning
the management of money and investments, or to provide funds for something
Example
The company secured finance from a major bank.
La compañía obtuvo financiamiento de un banco importante.
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 adjective /ˈfɔːrsəbl/

forcible

forzoso
Meaning
Done by force; using physical strength or power.
Example
The police made a forcible entry into the house.
La policía hizo una entrada forzosa en la casa.
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.
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.
B2 adjective /fɔːrˈsiːəbl/

foreseeable

previsible
Meaning
Able to be predicted or expected in advance
Example
The company is unlikely to make changes in the foreseeable future.
Es poco probable que la empresa realice cambios en el futuro previsible.
C1 noun /ˈfiːtəs/

fetus

feto
Meaning
an unborn or unhatched offspring in the womb or egg
Example
The doctor explained the development of the fetus during pregnancy.
El doctor explicó el desarrollo del feto durante el embarazo.
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.
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.
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.
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.
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.
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.
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.
B2 noun /ˈfleɪvər/

flavor

sabor
Meaning
The distinctive taste of a food or drink.
Example
This ice cream has a delicious mango flavor.
Este helado tiene un delicioso sabor a mango.
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.
A1 noun /faɪv/

five

cinco
Meaning
The number 5; one more than four and one less than six.
Example
She bought five apples from the market.
Ella compró cinco manzanas en el mercado.
B2 noun /ˈfrɪkʃən/

friction

fricción
Meaning
the resistance that one surface or object encounters when moving over another; conflict or tension between people or groups
Example
There was friction between the two departments over resource allocation.
Hubo fricción entre los dos departamentos sobre la asignación de recursos.
C2 adjective /ˈfɛstəl/

festal

relacionado con un festival, festivo
Meaning
relating to a festival or celebration
Example
The hall was decorated in a festal manner for the wedding.
El salón estaba decorado de manera festiva para la boda.
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.
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.
B2 noun /ˈfer.i boʊt/

Ferry-boat

ferry
Meaning
a boat that carries passengers and vehicles across water
Example
We took the ferry-boat to cross the river.
Tomamos el ferry-bot para cruzar el río.
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.
A2 noun/verb /fɛns/

fence

cerca
Meaning
a barrier, usually made of wood or wire, that surrounds an area; to enclose with a barrier
Example
They built a fence around the garden.
Ellos construyeron una cerca alrededor del jardín.
C2 adjective /ˈfraʊzi/

frowzy

desaliñado
Meaning
Unkempt, messy, or having a musty, unpleasant smell.
Example
He entered the room with a frowzy appearance after sleeping on the couch.
Entró en la habitación con una apariencia desaliñada después de dormir en el sofá.
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.
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.
B2 noun/adjective /ˈfluːɪd/

fluid

líquido
Meaning
a substance that can flow easily, such as liquid or gas; smooth and adaptable
Example
The artist's fluid movements impressed the audience.
Los movimientos fluidos del artista impresionaron a la audiencia.
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.
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.
B1 noun /fəˈsɪl.ɪ.ti/

facility

instalación
Meaning
A place, amenity, or piece of equipment provided for a particular purpose.
Example
The facility was well-maintained.
La instalación estaba bien mantenida.
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.
C2 verb /ˈfʊl.mɪ.neɪt/

fulminate

protestar enérgicamente
Meaning
To express strong protest or criticism loudly and forcefully; to explode violently.
Example
The politician began to fulminate against corruption.
El político comenzó a protestar enérgicamente contra la corrupción.
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.
B2 noun fɪkst ˈɪnkʌm

fixed income

ingresos fijos
Meaning
Investment that provides a return in the form of fixed periodic payments.
Example
Fixed income investments provide reliable returns.
Las inversiones de ingreso fijo proporcionan rendimientos confiables.
B2 noun /ˈfæbrɪk/

fabric

tejido
Meaning
Cloth or material produced by weaving or knitting fibers.
Example
The tailor used silk fabric to make the dress.
El sastre usó tela de seda para hacer el vestido.
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.
C1 verb /fɔːrˈɡoʊ/

forgo

renunciar
Meaning
to decide not to do or have something
Example
She decided to forgo dessert to maintain her diet.
Ella decidió renunciar al postre para mantener su dieta.
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 adjective /ˈfrɛtfəl/

fretful

inquieto
Meaning
Feeling or showing distress or irritation.
Example
The baby was fretful all night and could not sleep.
El bebé estuvo inquieto toda la noche y no pudo dormir.
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.
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.
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.
A2 verb /fərˈɡɪv/

forgive

perdonar
Meaning
to stop feeling angry or resentful toward someone; to pardon
Example
She decided to forgive him for his mistakes.
Ella decidió perdonarlo por sus errores.
C2 adjective /ˈflɒrɪd/

florid

excesivamente ornamentado / rojizo
Meaning
Having a red or flushed complexion; or excessively ornate and intricate.
Example
The speaker’s florid style made the lecture hard to follow.
El estilo excesivamente ornamentado del orador hizo que la conferencia fuera difícil de seguir.
C2 noun /ˈfæn.feər/

fanfare

gran pompa, publicidad
Meaning
a short ceremonial tune or display of publicity to attract attention
Example
The new product was launched with much fanfare.
El nuevo producto fue lanzado con gran pompa.
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.
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 /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.
C1 noun /ˈfɔːrˌbɛər/

forebear

antepasado
Meaning
An ancestor, especially one who lived a long time ago.
Example
He often speaks of his forebears with great respect.
Él habla a menudo de sus antepasados con mucho respeto.
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.
C2 noun ˌfjuːmɪˈɡeɪʃən

fumigation

fumigación
Meaning
The practice of disinfecting or purifying an area using gas or smoke.
Example
Fumigation is an effective method to control pest infestations.
La fumigación es un método efectivo para controlar las infestaciones de plagas.
C1 noun /ˈfʊtˌnoʊt/

foot-note

nota al pie
Meaning
A note of reference, explanation, or comment placed at the bottom of a page.
Example
The author included a foot-note to explain the historical context.
El autor incluyó una nota al pie para explicar el contexto histórico.
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.
C1 noun /fiːt/

feat

hazaña
Meaning
an achievement that requires great courage, skill, or strength
Example
Climbing Mount Everest was a remarkable feat.
Escalar el monte Everest fue una hazaña notable.
C2 adjective /ˈfɪliəl/

filial

relacionado con un hijo o hija; mostrar respeto o afecto hacia los padres
Meaning
relating to a son or daughter; showing respect or affection toward parents
Example
He showed filial respect by caring for his aging parents.
Él mostró respeto filial cuidando a sus padres ancianos.
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.
A2 verb ˈfoʊkəs

focus

enfocar
Meaning
To concentrate attention or effort on something; to direct one's attention or efforts towards a particular activity, subject, or problem.
Example
Focus on what truly matters to simplify your life.
Concéñtrate en lo que realmente importa para simplificar tu vida.
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.
C1 verb /ˈfɔːlsɪfaɪ/

falsify

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

framework

marco
Meaning
An essential supporting structure of a building, vehicle, or object; a basic structure underlying a system, concept, or text.
Example
A strong framework is vital for governance.
Un marco fuerte es vital para la gobernanza.
B2 noun /ˈfrʌn.tɪər/

frontier

frontera o nuevo campo
Meaning
A new area of activity, knowledge, or development; the edge of knowledge or achievement.
Example
Robotic surgery is exploring a new frontier in medicine.
La cirugía robótica está explorando una nueva frontera en la medicina.
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.
C2 adjective /fluːˈɛnʃəl/

fluential

influyente
Meaning
Having the power to influence or flowing freely (rare/archaic usage).
Example
The fluential speaker captivated the entire audience.
El orador influyente cautivó a toda la audiencia.
C1 adjective /frəˈtɜːrnəl/

fraternal

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

filth

suciedad
Meaning
dirty or disgusting matter; moral corruption
Example
The streets were full of filth after the storm.
Las calles estaban llenas de suciedad después de la tormenta.
B1 adjective /fɒnd/

fond

afectuoso
Meaning
having a strong liking or affection for something or someone
Example
She is fond of painting and spends hours in front of her canvas.
Ella es afectuosa con la pintura y pasa horas frente a su lienzo.
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.
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 /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.