fealty
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C2 noun /ˈfiːəlti/

fealty

fidelidad y lealtad
Meaning
loyalty or allegiance, especially to a sovereign or lord
Example
The knight swore fealty to his king.
El caballero juró fidelidad a su rey.
B1 noun /ˌfɜːrst ˈeɪd/

first aid

primeros auxilios
Meaning
Immediate assistance given to a sick or injured person until full medical treatment is available
Example
He gave first aid to the injured cyclist before the ambulance arrived.
Él dio primeros auxilios al ciclista herido antes de que llegara la ambulancia.
A2 noun /ˈfɔːrənər/ or /ˈfɑːrənər/

foreigner

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

formation

formación
Meaning
the action of forming or process of being formed
Example
The formation of the new company took several months.
La formación de la nueva empresa tomó varios meses.
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 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.
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.
B2 verb /ˈfæs.ɪ.neɪt/

fascinate

fascinar
Meaning
to attract and hold the attention of someone; to charm or captivate
Example
The magician's performance fascinated the audience.
La actuación del mago fascinó al público.
B2 noun /ˈfɜː.tɪ.laɪ.zər/

fertilizer

fertilizante
Meaning
a substance added to soil to make plants grow more successfully
Example
Farmers use fertilizer to increase crop production.
Los agricultores usan fertilizante para aumentar la producción de cultivos.
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.
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.
C1 verb /ˈfɜːrmɛnt/

ferment

someterse a un proceso químico donde los azúcares se convierten en alcohol o ácido; incitar o agitar el cambio
Meaning
to undergo a chemical process where sugars are converted to alcohol or acid; to incite or stir up change
Example
The grapes are left to ferment for several weeks.
Las uvas se dejan fermentar durante varias semanas.
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.
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 /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 adjective /ˈfaɪ.naɪt/

Finite

finito; limitado
Meaning
limited; having bounds or limits; not infinite
Example
Earth has finite natural resources.
La Tierra tiene recursos naturales finitos.
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 verb /fiːl/

Feel

sentir; experimentar; tocar
Meaning
to experience an emotion or physical sensation; to touch something
Example
I feel happy when I see my friends.
Me siento feliz cuando veo a mis amigos.
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.
B2 adverb /ˈfɔ:rmoast/

Foremost

ante todo; lo más importante
Meaning
most importantly; above all; in the first place
Example
First and foremost, we need to ensure safety.
Primero y ante todo, necesitamos asegurar la seguridad.
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.
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.
B2 adverb /ˌfʌndəˈmɛntəli/

fundamentally

fundamentalmente
Meaning
in a basic and important way; at the core
Example
The two theories are fundamentally different.
Las dos teorías son fundamentalmente diferentes.
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.
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.
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.
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.
C1 noun (plural of fungus) /ˈfʌndʒaɪ/

fungi

hongo
Meaning
a group of spore-producing organisms such as mushrooms, molds, and yeasts
Example
Fungi play an important role in breaking down organic matter in nature.
Los hongos desempeñan un papel importante en la descomposición de materia orgánica en la naturaleza.
C2 noun /fɔːrˈbɛrəns/

forbearance

tolerancia
Meaning
Patient self-control; restraint and tolerance, especially in difficult situations.
Example
She showed remarkable forbearance during the heated argument.
Ella mostró una notable tolerancia durante la acalorada discusión.
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.
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 adjective /fjuː/

few

pocos
Meaning
A small number of; not many.
Example
Only a few students attended the class.
Solo unos pocos estudiantes asistieron a la clase.
B1 noun /ˈfæktər/

factor

factor
Meaning
A circumstance, fact, or influence that contributes to a result.
Example
Weather is an important factor in crop production.
El clima es un factor importante en la producción de cultivos.
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 /ˈfɔːr.tɪ.tjuːd/

fortitude

fortaleza
Meaning
Courage in pain or adversity; mental and emotional strength in facing difficulty.
Example
She faced adversity with great fortitude.
Ella enfrentó las adversidades con gran fortaleza.
A2 noun /ˈfɔːrɪst/

Forest

bosque
Meaning
a large area covered chiefly with trees and undergrowth
Example
We went hiking in the dense forest yesterday.
Fuimos de excursión por el denso bosque ayer.
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.
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.
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.
C1 adjective /ˈfɛrəl/

feral

salvaje
Meaning
existing in a wild or untamed state; not domesticated
Example
The feral cat roamed the streets at night.
El gato salvaje rondaba por las calles por la noche.
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.
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.
B1 adjective /ˈfæbjələs/

Fabulous

fabuloso; increíble; extraordinario
Meaning
extremely good; wonderful; extraordinary
Example
She wore a fabulous dress to the party.
Ella llevaba un vestido fabuloso a la fiesta.
A2 noun /ˈflaɪ.ɪŋ ˈkriː.tʃər/

Flying creature

criatura voladora
Meaning
any animal that has the ability to fly through the air
Example
Birds, bats, and insects are all examples of flying creatures.
Los pájaros, los murciélagos y los insectos son ejemplos de criaturas voladoras.
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.
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.
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.
B2 adjective /fəˈɡɪv.ɪŋ/

Forgiving

perdonador
Meaning
ready and willing to forgive; merciful; lenient
Example
She has a forgiving nature and rarely holds grudges.
Ella tiene una naturaleza perdonadora y rara vez guarda rencor.
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.
C2 noun /ˈfɒpəri/

foppery

excesivo esnobismo
Meaning
Foolish or excessive concern with one's appearance or manners; pretentious behavior.
Example
His obsession with fashion was dismissed as mere foppery.
Su obsesión por la moda fue descartada como simple esnobismo.
B2 adverb /ˈfɔːrmərli/

Formerly

anteriormente; antes
Meaning
in the past; previously; at an earlier time
Example
The building was formerly a school but is now a community center.
El edificio era anteriormente una escuela, pero ahora es un centro comunitario.
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.
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.
C2 noun /ˈfʌŋkʃəˌnɛri/

functionary

funcionario
Meaning
a person who has official duties in an organization, especially one with little authority
Example
The minor functionary was responsible for filing reports.
El funcionario menor era responsable de presentar los informes.
C1 adjective /ˈfiːlaɪn/

feline

relacionado con los gatos
Meaning
relating to or characteristic of cats
Example
Her movements were graceful and almost feline in their elegance.
Sus movimientos eran gráciles y casi felinos en su elegancia.
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.
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.
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 adjective /ˌfʌndəˈmɛntl/

fundamental

fundamental
Meaning
forming a necessary base or core; of central importance
Example
Honesty is a fundamental principle of good leadership.
La honestidad es un principio fundamental de buen liderazgo.
C2 noun /ˈflɒtsəm/

flotsam

escombros flotantes
Meaning
Floating debris from a shipwreck or things discarded and left floating.
Example
The beach was littered with flotsam after the storm.
La playa estaba llena de escombros flotantes después de la tormenta.
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 adjective /ˈfænsiːd/

fancied

imaginado, deseado
Meaning
imagined, desired, or believed without evidence
Example
He is a fancied suitor in the eyes of the young lady.
Él es un pretendiente imaginado a los ojos de la joven.
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.
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.
C2 noun /ˌfjuːzɪˈleɪd/

fusillade

fuselaje
Meaning
A series of shots fired or missiles thrown all at the same time or in quick succession.
Example
The soldiers advanced under a fusillade of bullets.
Los soldados avanzaron bajo una fusilada de balas.
C1 verb /ˈfɔːltər/

falter

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

filing

presentación de documentos; organización de papeles
Meaning
the act of submitting documents; the process of organizing papers
Example
The lawyer handled the filing of all court documents.
El abogado manejó la presentación de todos los documentos judiciales.
B2 noun /ˈfjuːʒən/

fusion

fusión
Meaning
the process or result of joining two or more things together to form a single entity
Example
The restaurant offers a unique fusion of Asian and European cuisines.
El restaurante ofrece una fusión única de cocinas asiática y europea.
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.
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.
A1 verb /faɪnd/

find

encontrar
Meaning
to discover or locate something that was lost or hidden
Example
I can't find my keys anywhere.
No puedo encontrar mis llaves en ninguna parte.
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.
B2 noun /flɔː/

flaw

defecto
Meaning
a defect or imperfection in something
Example
The diamond had a small flaw that was barely visible.
El diamante tenía un pequeño defecto que apenas se veía.
C2 adjective /ˈfraɪəbl/

friable

frágil
Meaning
Easily crumbled or reduced to powder.
Example
The old brick wall was friable and broke apart at a touch.
La pared vieja de ladrillos era frágil y se rompió con solo tocarla.
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 noun ˈflæʃkɑːrdz

flashcards

tarjetas didácticas
Meaning
Cards containing small amounts of information, held up for students to see, as an aid to learning.
Example
Flashcards help in quick memorization.
Las tarjetas didácticas ayudan en la memorización rápida.
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.
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.
C2 adjective fɔːˈtjuː.ɪ.təs

fortuitous

fortuito
Meaning
Happening by accident or chance rather than design; lucky or fortunate.
Example
Their meeting was purely fortuitous.
Su encuentro fue completamente fortuito.
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.
A2 noun/adjective /ˈfiːmeɪl/

female

hembra
Meaning
a person or animal of the sex that can bear offspring; relating to women or girls
Example
The female lion protects her cubs fiercely.
La leona hembra protege a sus cachorros ferozmente.
A2 noun /ˈfer.i.teɪl/

Fairy-tale

cuento de hadas
Meaning
a children's story about magical and imaginary beings and lands
Example
Children love listening to fairy-tales before bedtime.
A los niños les encanta escuchar cuentos de hadas antes de acostarse.
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.
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.
B2 noun /fɔːrt/

Fort

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

flag

bandera, estandarte; o una señal de advertencia
Meaning
a piece of fabric with a symbol or colors; or to mark or signal attention
Example
They raised the national flag during the ceremony.
Ellos levantaron la bandera nacional durante la ceremonia.
C2 noun /ˈfaɪər.brænd/

firebrand

persona revolucionaria
Meaning
a person who is passionate about a cause, often inciting change or action
Example
The activist was a true firebrand, inspiring everyone around him to join the protest.
El activista era un verdadero revolucionario, inspirando a todos a su alrededor para unirse a la protesta.
C2 adjective /ˈfjuːzəbl/

fusible

fundible
Meaning
Capable of being melted or fused.
Example
The engineer used a fusible alloy in the experiment.
El ingeniero usó una aleación fundible en el experimento.
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 /flɛdʒ/

fledge

emergir
Meaning
To develop wing feathers large enough for flight; to bring up until able to fly.
Example
The young birds will fledge in a few weeks.
Los pájaros jóvenes volarán en unas pocas semanas.
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.
B1 adjective /ˈfæsɪneɪtɪŋ/

Fascinating

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

flux

flujo
Meaning
continuous change or movement; the rate of flow of something
Example
The company was in a state of constant flux during the reorganization.
La empresa estaba en un estado de flujo constante durante la reorganización.
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 /fɔːn/

Fawn

cervatillo
Meaning
a young deer; a light yellowish-brown color
Example
The mother deer protects her fawn from predators.
La cierva protege a su cervatillo de los depredadores.
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.
C2 adverb /ˈfɔːrbi/

forby

además
Meaning
In addition; besides (archaic Scottish/English word).
Example
He is kind and generous, and wise forby.
Él es amable y generoso, y además sabio.
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 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 verb /ˈfɪltər/

filter

filtrar
Meaning
to pass a substance through a device to remove unwanted material or to selectively pass certain items
Example
She used a coffee filter to separate the grounds from the liquid.
Ella usó un filtro de café para separar los posos del líquido.
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.
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.
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.
B1 noun /ˈfaɪəˌfaɪtə/

firefighter

bombero
Meaning
a person whose job is to put out fires
Example
The firefighter saved the family from the burning building.
El bombero salvó a la familia del edificio en llamas.
B1 noun /fiː/

fee

tarifa
Meaning
A payment made for a service or privilege.
Example
The lawyer charged a high fee for his services.
El abogado cobró una tarifa alta por sus servicios.
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.
C1 adjective/noun /fəˈrɛns.ɪk/

forensic

Análisis científico aplicado a asuntos criminales o legales
Meaning
Scientific analysis applied to criminal or legal matters
Example
Forensic experts analyze cybercrimes using advanced tools.
Los expertos forenses analizan los delitos cibernéticos utilizando herramientas avanzadas.
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.
B1 adjective /ˈfrʌstreɪtɪŋ/

frustrating

frustrante
Meaning
causing annoyance or dissatisfaction
Example
The slow internet connection was really frustrating.
La conexión de internet lenta fue realmente frustrante.
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.
A1 noun /ˈfæməli/

family

familia
Meaning
A group consisting of parents and their children, or all the descendants of a common ancestor.
Example
She spends most of her weekends with her family.
Ella pasa la mayoría de sus fines de semana con su familia.
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.
C2 verb /fɔːrˈboʊd/

forebode

presagiar
Meaning
To predict or have a strong inner feeling of a future misfortune or evil.
Example
Dark clouds forebode a coming storm.
Las nubes oscuras presagian una tormenta venidera.
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 /ˈfreʃmən/

freshman

estudiante de primer año
Meaning
a first-year student at a high school, college, or university
Example
The freshman felt nervous on his first day at university.
El estudiante de primer año se sintió nervioso en su primer día en la universidad.
B2 noun /fleɪm/

Flame

llama
Meaning
a hot glowing body of ignited gas that is generated by something on fire
Example
The candle flame flickered gently in the evening breeze.
La llama de la vela parpadeó suavemente en la brisa de la tarde.
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.
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.