be
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN English BN Bengali HI Hindi ES Español FR Francés DE Alemán RU Ruso ZH Chino JA Japonés
All Vocabulary Cards All Vocabularies
A1 verb /biː/

be

ser
Meaning
To exist, to occur, or to have a particular quality.
Example
She wants to be a doctor.
Ella quiere ser doctora.
A1 noun /ˈbrʌðər/

brother

hermano
Meaning
a male sibling
Example
My brother is two years older than me.
Mi hermano tiene dos años más que yo.
C2 adjective /ˈbɛlɪˌkoʊs/

bellicose

belicoso
Meaning
Showing a tendency to argue or fight; aggressive.
Example
His bellicose attitude often got him into unnecessary conflicts.
Su actitud belicosa a menudo lo metía en conflictos innecesarios.
B2 noun, verb /bɒb/

bob

balancearse
Meaning
a short sudden movement up and down; to move quickly up and down
Example
The small boat began to bob on the waves.
El pequeño barco comenzó a balancearse en las olas.
C2 adjective /ˈboʊvaɪn/

bovine

relacionado con el ganado
Meaning
relating to cattle; showing a dull or sluggish nature
Example
Her bovine expression revealed no emotions.
Su expresión bovina no reveló ninguna emoción.
C2 noun /ˌbaɪ.oʊ.rɪˌmiː.diˈeɪ.ʃən/

bioremediation

biorremediación
Meaning
The use of living organisms to neutralize or remove environmental contaminants.
Example
Bioremediation helps remove toxins from polluted soil.
La biorremediación ayuda a eliminar toxinas del suelo contaminado.
B1 noun /ˈbæŋkɪŋ/

banking

banca o servicios bancarios
Meaning
the business or services provided by a bank
Example
Online banking has made financial transactions easier.
La banca en línea ha facilitado las transacciones financieras.
A2 noun /ˈbʊkɪŋ/

booking

reserva
Meaning
the act of reserving accommodations, tickets, etc.
Example
I made a booking for a hotel room in advance.
Hice una reserva para una habitación de hotel con anticipación.
A2 noun /bɪɡ boʊl/

Big bowl

tazón grande
Meaning
a large, round, shallow container used for serving food, mixing ingredients, or washing
Example
She mixed the ingredients in a big bowl.
Ella mezcló los ingredientes en un tazón grande.
C2 verb /ˈbɜːrdʒən/

burgeon

crecer rápidamente
Meaning
To grow or develop rapidly; to flourish.
Example
The city's population began to burgeon after the new factory opened.
La población de la ciudad comenzó a crecer rápidamente después de la apertura de la nueva fábrica.
B2 noun ˈbleɪzə

blazer

blazer
Meaning
A coloured jacket worn by members of a club, team, or school as part of a uniform.
Example
He looked sharp in his navy blue blazer at the event.
Él lucía elegante en su blazer azul marino en el evento.
C2 adjective /ˈbæti/

batty

loco
Meaning
crazy or eccentric in behavior
Example
The old man down the street is a bit batty but harmless.
El anciano de la calle es un poco loco pero inofensivo.
C1 noun/adjective /ˈbæstərd/

bastard

bastardo
Meaning
a child born to unmarried parents (offensive); also used informally as an insult or to describe something unpleasant
Example
He called him a bastard in anger.
Lo llamó bastardo con ira.
A1 interjection /baɪ/

bye

adiós
Meaning
used to say goodbye; a short and informal farewell
Example
I said bye to her before leaving.
Le dije adiós antes de irme.
C2 adverb /ˈbruːskli/ or /ˈbrʌskli/

brusquely

bruscamente
Meaning
in a blunt, abrupt, or rude manner
Example
She brusquely dismissed the suggestion.
Ella desechó la sugerencia de manera brusca.
B2 verb /blɜːr/

blur

desenfocar
Meaning
to make something unclear or difficult to see
Example
Tears blurred her vision.
Las lágrimas borraron su visión.
C2 noun /ˈbærəˌɡræf/

barograph

instrumento que registra cambios en la presión atmosférica
Meaning
an instrument that records changes in atmospheric pressure
Example
The scientist checked the barograph for pressure variations.
El científico revisó el barógrafo para ver las variaciones de presión.
C2 adjective /bɪˈsɒtɪd/

besotted

embobado, loco de amor
Meaning
strongly infatuated or obsessed with someone or something
Example
He was completely besotted with her charm.
Él estaba completamente embobado con su encanto.
C2 adjective /baɪˈɛniəl/

biennial

bienal
Meaning
happening every two years
Example
The biennial festival attracts thousands of visitors.
El festival bienal atrae a miles de visitantes.
A1 noun /bəˈnæn.ə/

Banana

plátano
Meaning
a long curved fruit with yellow skin and soft sweet flesh
Example
Bananas are a good source of potassium.
Los plátanos son una buena fuente de potasio.
C2 noun /ˈbælæst/

ballast

lastre
Meaning
heavy material used to stabilize a ship or vehicle
Example
The ship was loaded with ballast to remain steady in the storm.
El barco fue cargado con lastre para mantenerse estable en la tormenta.
A2 noun/verb /ˈbʌdʒɪt/

budget

presupuesto
Meaning
An estimate of income and expenditure for a set period of time; to plan expenses and income.
Example
The family created a budget to manage their expenses.
La familia creó un presupuesto para gestionar sus gastos.
B1 noun /ˌbækˈjɑːrd/

backyard

felicidad
Meaning
an area of land behind a house, typically used for recreation or gardening
Example
The children played football in the backyard.
Ella no pudo ocultar su felicidad cuando recibió el premio.
C1 verb /bɪˈmoʊn/

bemoan

lamentar
Meaning
To express discontent or sorrow over something.
Example
Critics bemoaned the lack of diversity in the film.
Los críticos lamentaron la falta de diversidad en la película.
C2 noun /ˈbræɡərt/

braggart

fanfarrón
Meaning
a person who boasts about achievements or possessions
Example
No one liked him because he was such a braggart.
Nadie lo quería porque era un fanfarrón.
C1 noun /ˈbaɪ.laɪn/

byline

línea del nombre del escritor
Meaning
A line in a newspaper or magazine article that names the writer.
Example
Her byline appeared on the front page of the newspaper.
Su línea apareció en la primera página del periódico.
C2 noun /bɪˈtroʊðəl/

betrothal

compromiso
Meaning
The formal engagement to be married.
Example
Their betrothal was announced to the whole village.
Su compromiso fue anunciado a todo el pueblo.
B2 verb /ˈbɔɪkɑt/

boycott

boicotear
Meaning
to refuse to buy, use, or participate in something as a protest
Example
They decided to boycott the company's products.
Decidieron boicotear los productos de la empresa.
C2 verb /bɪˈhəʊv/

behove

ser apropiado
Meaning
British spelling of 'behoove'; to be appropriate or necessary
Example
It would behove the company to listen to its customers.
Sería apropiado que la empresa escuchara a sus clientes.
A1 preposition /baɪ/

by

por
Meaning
indicating the agent performing an action, or the means of achieving something
Example
The book was written by a famous author.
El libro fue escrito por un autor famoso.
B1 noun /ˈbæɹɪəz/

barriers

barreras
Meaning
Something that prevents progress or access; obstacles or hindrances.
Example
Language barriers can make communication difficult.
Las barreras idiomáticas pueden dificultar la comunicación.
B2 noun /ˈbaɪoʊ ˌdeɪtə/

Bio-data

currículum vitae
Meaning
biographical data; a resume or curriculum vitae containing personal and professional information
Example
Please submit your bio-data along with the job application.
Por favor, envíe su currículum vitae junto con la solicitud de empleo.
C2 verb /ˈblækˌbɔːl/

blackball

excluir
Meaning
to exclude someone socially or vote against their membership in a group or club
Example
He was blackballed from the club after the controversy.
Fue expulsado del club después de la controversia.
A1 verb /bɪˈɡɪn/

begin

empezar
Meaning
to start doing something; to commence
Example
I will begin my studies tomorrow.
Comenzaré mis estudios mañana.
B2 noun /broʊtʃ/

brooch

broche
Meaning
a decorative jewelry pin that is attached to clothing
Example
She wore a beautiful silver brooch on her jacket.
Llevó un hermoso broche de plata en su chaqueta.
B1 noun /blæk ˈber.i/

Black berry

moras
Meaning
a small dark purple or black fruit that grows on bushes
Example
We picked fresh blackberries from the garden for our pie.
Recogimos moras frescas del jardín para nuestra tarta.
A2 verb /bit/

beat

golpear
Meaning
to strike repeatedly; to defeat; to pulsate rhythmically
Example
Our team will beat theirs in the final match.
Nuestro equipo vencerá al suyo en el partido final.
C2 noun ˌbaɪ.oʊ.əˈveɪ.lə.bɪl.ə.ti

bioavailability

capacidad de absorción del cuerpo
Meaning
The degree to which a substance can be absorbed and used by the body.
Example
Turmeric's bioavailability increases when consumed with black pepper.
La biodisponibilidad de la cúrcuma aumenta cuando se consume con pimienta negra.
B2 verb/noun /buː/

boo

grito de desaprobación/sonido de advertencia
Meaning
To show disapproval by shouting 'boo'; or a sound made to surprise or scare.
Example
The audience began to boo the bad performance.
La audiencia comenzó a abuchear la mala actuación.
A2 noun ˈbʌt.ən

button

botón
Meaning
A small disk or knob sewn onto a garment, either to fasten it by being pushed through a slit made for the purpose, or for decoration.
Example
Press the button to activate the device.
Presiona el botón para activar el dispositivo.
B2 verb baɪnd

bind

atar
Meaning
To tie, fasten, or hold together securely.
Example
This force binds quarks together.
Esta fuerza une los quarks.
A2 adjective /ˈbrɪtɪʃ/

british

británico
Meaning
relating to Great Britain or its people
Example
She loves British culture and traditions.
A ella le encanta la cultura y las tradiciones británicas.
B2 noun /ˈbʊlɪt/

Bullet

bala
Meaning
a metal projectile fired from a gun
Example
The bullet missed its target and hit the wall.
La bala falló su objetivo y golpeó la pared.
A1 noun /biːtʃ/

beach

playa
Meaning
An area of sand or small stones beside the sea or a lake.
Example
They spent the day relaxing on the beach.
Pasaron el día relajándose en la playa.
C1 noun /ˈbɑn.dɪdʒ/

Bondage

esclavitud; cautiverio
Meaning
the state of being a slave; the state of being under the control of a force or influence
Example
The people fought to escape from the bondage of oppression.
La gente luchaba para escapar de la esclavitud de la opresión.
C2 noun /ˈbɜːrɡər/

burgher

burguesía
Meaning
A citizen of a town, typically a member of the wealthy middle class.
Example
The burgher was respected as a prosperous merchant in the city.
El burgués fue respetado como un próspero comerciante en la ciudad.
C1 noun /ˈbeɪlɪf/

bailiff

oficial de la corte
Meaning
An official who keeps order in a court, carries out court orders, or collects debts.
Example
The bailiff asked everyone to rise as the judge entered the courtroom.
El oficial de la corte pidió a todos que se pusieran de pie cuando el juez entró a la sala.
B2 noun /ˈbɒmər/

Bomber

bombardero
Meaning
military aircraft designed to drop bombs on targets
Example
The bomber squadron flew over the city at dawn.
El escuadrón de bombarderos voló sobre la ciudad al amanecer.
B2 noun /biːd/

Bead

piedra pequeña; cuenta
Meaning
a small round object with a hole through it for threading
Example
She made a necklace with colorful beads.
Ella hizo un collar con cuentas de colores.
B1 verb /briːð/

breathe

respirar
Meaning
To take air into the lungs and send it out again.
Example
It was hard to breathe in the smoky room.
Fue difícil respirar en la habitación llena de humo.
A2 noun /biːf/

Beef

carne de res
Meaning
meat from a cow or bull
Example
The restaurant serves the best beef steak in town.
El restaurante sirve el mejor bistec de carne de res en la ciudad.
B2 noun /ˈbrɛkdaʊn/

breakdown

avería
Meaning
a failure or collapse of a system or machinery
Example
The car had a breakdown on the highway.
El coche tuvo una avería en la carretera.
C1 adjective /ˈbleɪtənt/

blatant

flagrante
Meaning
done openly and unashamedly; obvious and offensive
Example
The company's blatant disregard for safety regulations angered the public.
La flagrante indiferencia de la empresa hacia las normas de seguridad enfureció al público.
B2 verb /bɪˈwɛər/

beware

tener cuidado
Meaning
to be cautious or alert about a potential danger or problem
Example
Beware of the dog near the gate.
Cuidado con el perro cerca de la puerta.
C2 verb /bɪˈteɪk/

betake

dirigirse a; recurrir a
Meaning
to go or resort to a place or course of action, especially as a response; to apply oneself
Example
After dinner, she betook herself to her room to read.
Después de cenar, se dirigió a su habitación para leer.
B1 noun, verb /ˈbʊli/

bully

matón / acosador
Meaning
A person who habitually seeks to harm or intimidate those weaker; to intimidate or mistreat someone weaker.
Example
The teacher stopped the older boy from trying to bully his classmates.
La maestra detuvo al niño mayor de intentar intimidar a sus compañeros de clase.
C2 verb /ˈbætn/

batten

asegurar
Meaning
To fasten or secure something tightly.
Example
They battened down the hatches before the storm.
Ellos aseguraron las trampillas antes de la tormenta.
B1 noun /ˈbaɪər/

buyer

comprador
Meaning
a person who makes a purchase
Example
The buyer inspected the car before making payment.
El comprador inspeccionó el coche antes de realizar el pago.
B1 adverb /bɪˈniːθ/

Beneath

debajo; bajo
Meaning
under; below; underneath
Example
The treasure lies beneath the old tree.
El tesoro yace debajo del árbol viejo.
C1 verb /brɔɪl/

broil

asar a la parrilla
Meaning
To cook food by direct heat, usually under a grill or over a fire.
Example
She broiled the chicken until it was golden brown.
Ella asó el pollo hasta que estuvo dorado.
C1 verb /bɪˈreɪt/

berate

regañar
Meaning
to scold or criticize angrily
Example
The teacher berated the student for being late.
El maestro regañó al estudiante por llegar tarde.
C2 adjective /ˈblaɪðsəm/

blithesome

alegre
Meaning
cheerful, carefree, and full of joy
Example
She entered the room with a blithesome smile that lifted everyone's spirits.
Ella entró en la habitación con una sonrisa alegre que levantó el ánimo de todos.
B2 noun /braɪb/

Bribe

soborno
Meaning
a sum of money or something valuable given to someone to persuade them to do something dishonest or illegal
Example
The corrupt official was caught accepting a bribe from the construction company.
El funcionario corrupto fue atrapado aceptando un soborno de la empresa constructora.
B2 noun /ˈbev.ər.ɪdʒ/

Beverage

bebida
Meaning
a drink, especially one other than water
Example
Would you like a hot or cold beverage with your meal?
¿Te gustaría una bebida caliente o fría con tu comida?
B2 noun /bɪd/

Bid

oferta; puja
Meaning
an offer to pay a certain amount for something; an attempt to obtain or achieve something
Example
She made a bid for the antique vase at the auction.
Ella hizo una oferta por el antiguo jarrón en la subasta.
C1 noun /beɪl/

bail

fianza
Meaning
the temporary release of an accused person awaiting trial, often with a financial guarantee
Example
He was granted bail after his arrest.
Le otorgaron la fianza después de su arresto.
A1 adverb /bɪˈhaɪnd/

Behind

detrás
Meaning
at the back of; following; lagging
Example
The car behind us was honking.
El coche detrás de nosotros estaba tocando la bocina.
C1 noun /ˈbæləd/

ballad

canción narrativa
Meaning
a narrative song or poem, often sentimental or romantic
Example
The singer performed a moving ballad about lost love.
El cantante interpretó una balada conmovedora sobre el amor perdido.
A1 noun /ˈbʌt.ər/

Butter

mantequilla
Meaning
a pale yellow edible fatty substance made by churning cream
Example
He spread butter on his toast for breakfast.
Él untó mantequilla en su tostada para el desayuno.
C1 noun /blɜːrb/

blurb

descripción promocional
Meaning
a short promotional description of a book, product, or service
Example
The back cover had a blurb praising the novel.
La contraportada tenía una descripción promocional elogiando la novela.
C2 noun /ˈbɪlɪŋzˌɡeɪt/

billingsgate

lenguaje grosero o abusivo
Meaning
Coarse or abusive language; vulgar or offensive speech.
Example
The heated argument quickly descended into billingsgate.
La discusión acalorada rápidamente se convirtió en lenguaje grosero.
B1 verb /bɜːrst/

burst

estallar
Meaning
to break open suddenly; to be full of something
Example
The balloon bursts with a loud pop.
El globo estalla con un fuerte estallido.
B1 adverb /ˈbriːf.li/

Briefly

brevemente
Meaning
in a short and clear way; for a short time
Example
Please explain the problem briefly.
Por favor, explique el problema brevemente.
B2 noun /ˈbrɔːdˌkæstər/

broadcaster

locutor
Meaning
a person or organization that transmits a broadcast program.
Example
The broadcaster aired the match live to millions of viewers.
El locutor transmitió el partido en vivo a millones de espectadores.
C1 noun /blɪs/

Bliss

dicha perfecta; gran alegría
Meaning
perfect happiness; great joy
Example
She felt pure bliss while watching the beautiful sunset.
Ella sintió una dicha pura mientras observaba la hermosa puesta de sol.
C1 noun /buːn/

boon

bendición
Meaning
A thing that is helpful or beneficial.
Example
The internet is a boon to modern education.
Internet es una bendición para la educación moderna.
A2 noun, verb /bɑːr/

bar

bar, bloquear
Meaning
a counter where drinks are served; to prevent or block
Example
They decided to meet at the bar after work.
Decidieron encontrarse en el bar después del trabajo.
B1 noun /ˈbækʌp/

backup

copia de seguridad
Meaning
a copy of data stored separately to protect against loss
Example
Make sure to have a backup of your important files.
Asegúrate de tener una copia de seguridad de tus archivos importantes.
B2 noun /bʌd/

Bud

capullo
Meaning
An undeveloped or immature flower before it opens
Example
The rose bud will bloom into a beautiful flower in a few days.
El capullo de rosa se convertirá en una hermosa flor en unos pocos días.
C2 noun /ˈbʌt.ər fɪʃ/

Butter-fish

pez mantequilla
Meaning
a small, smooth-skinned marine fish
Example
The butter-fish is popular in Bengali cuisine.
El pez mantequilla es popular en la cocina bengalí.
C2 adjective /ˈbrækɪʃ/

brackish

salobre
Meaning
Slightly salty, often describing water that is a mix of fresh and seawater.
Example
The river estuary contained brackish water.
El estuario del río contenía agua salobre.
B2 noun /bædʒ/

badge

insignia
Meaning
A small emblem or sign worn to show membership, authority, or achievement.
Example
The police officer showed his badge to identify himself.
El oficial de policía mostró su insignia para identificarse.
C1 noun /ˈblɛm.ɪʃ/

blemish

imperfección
Meaning
A small mark or flaw that spoils the appearance of something.
Example
The mirror had a small blemish on the surface.
El espejo tenía una pequeña imperfección en la superficie.
C1 verb /ˈbəʊl.stər/

bolster

fortalecer
Meaning
To support or strengthen; to prop up.
Example
The new policy aims to bolster economic growth.
La nueva política tiene como objetivo reforzar el crecimiento económico.
A1 adjective /bɛst/

best

mejor
Meaning
Of the highest quality, excellence, or standing.
Example
She is the best student in the class.
Ella es la mejor estudiante de la clase.
C2 noun ˈbaɪəʊˌsaɪd

biocide

biocida
Meaning
A chemical substance or microorganism intended to destroy, deter, render harmless, or exert a controlling effect on any harmful organism.
Example
Biocides help control pests and reduce the spread of diseases.
Los biocidas ayudan a controlar las plagas y reducir la propagación de enfermedades.
B2 noun/verb /ˈbʌfər/

buffer

amortiguador / absorbente de impacto
Meaning
Something that lessens or absorbs the impact of a shock; to act as a protective barrier.
Example
The organization acts as a buffer between workers and management.
La organización actúa como un amortiguador entre los trabajadores y la gerencia.
C1 adjective /bɪˈnaɪn/

benign

benigno, inofensivo
Meaning
Gentle, kind, or not harmful (especially of a disease or tumor).
Example
The doctor assured her that the tumor was benign.
El médico le aseguró que el tumor era inofensivo.
B1 noun /bæŋ/

Bang

un ruido fuerte repentino; un golpe o impacto fuerte
Meaning
a sudden loud noise; a hard blow or hit
Example
The door closed with a loud bang that woke everyone up.
La puerta se cerró con un fuerte ruido que despertó a todos.
C1 verb /bruːd/

brood

pensar profundamente, grupo de pajaritos recién nacidos
Meaning
to think deeply about something that makes one unhappy; also, a group of young birds hatched at the same time
Example
He sat alone, brooding over his failures.
Él se sentó solo, pensando profundamente sobre sus fracasos.
A2 noun /bɑːθ/

Bath

baño; bañera
Meaning
the act of washing one's body; a container for bathing
Example
I take a hot bath every evening.
Me doy un baño caliente todas las noches.
C2 verb /bɪˈsmɪər/

besmear

embarrar
Meaning
to smear or cover with a sticky or dirty substance; to soil
Example
His clothes were besmeared with mud.
Su ropa estaba embarrada con barro.
C2 verb, noun /blæb/

blab

parlotear; irse de la lengua
Meaning
to talk too much or reveal secrets carelessly; excessive or foolish talk
Example
He accidentally blabbed the surprise to everyone.
Accidentalmente reveló la sorpresa a todos.
B2 noun /biːk/

Beak

pico
Meaning
the hard pointed part of a bird's mouth
Example
The eagle has a sharp beak for tearing meat.
El águila tiene un pico afilado para desgarrar carne.
C2 verb /bɪˈfʌdəl/

befuddle

confundir
Meaning
to confuse someone completely; to make someone unable to think clearly
Example
The complex instructions befuddled the students.
Las instrucciones complejas confundieron a los estudiantes.
B2 adjective /blʌnt/

blunt

rompo, directo
Meaning
not sharp; direct and straightforward in speech
Example
Her blunt remarks offended some people.
Sus comentarios directos ofendieron a algunas personas.
C2 noun /ˈbeɪleɪ/

Bele

pez bele
Meaning
a type of freshwater fish found in South Asian rivers, known for its distinctive appearance
Example
The bele fish is commonly caught in the rivers of Bangladesh.
El pez bele se captura comúnmente en los ríos de Bangladés.
A1 noun /bɪˈɡɪnɪŋ/

beginning

comienzo
Meaning
The start or first part of something.
Example
The beginning of the story was very interesting.
El comienzo de la historia fue muy interesante.
C2 noun /bəˈlɛəroʊ/

bolero

bolero (un baile español o una chaqueta corta abierta al frente)
Meaning
A Spanish dance in slow triple time, or a short jacket open at the front.
Example
The dancers performed a passionate bolero at the festival.
Los bailarines realizaron un bolero apasionado en el festival.
C2 noun /ˈbed.ləm/

Bedlam

caos; confusión ruidosa
Meaning
a scene of noisy confusion; chaos and disorder
Example
The classroom was complete bedlam after the fire alarm.
El salón de clases estaba completamente caótico después de la alarma de incendios.
B1 noun ˈbæriə(r)

barrier

barrera
Meaning
A fence or other obstacle that prevents movement or access.
Example
The barrier prevented entry.
La barrera impidió la entrada.
B1 phrasal verb /bloʊ aʊt/

blow out

apagar
Meaning
to extinguish by blowing; to fail suddenly or burst; to expand or exceed limits dramatically
Example
She blew out the candles on her birthday cake.
Ella apagó las velas de su pastel de cumpleaños.
B2 noun /ˈboʊld.nəs/

Boldness

valentía; audacia
Meaning
willingness to take risks; confidence and courage in behavior
Example
Her boldness in confronting the problem impressed everyone.
Su valentía al enfrentar el problema impresionó a todos.
B2 noun /ˈbrʌðərhʊd/

brotherhood

hermandad
Meaning
The relationship between brothers; an association of people with common interests
Example
The soldiers shared a strong sense of brotherhood.
Los soldados compartieron un fuerte sentido de hermandad.
C1 noun /blɒˈkeɪd/

Blockade

bloqueo
Meaning
an act or means of sealing off a place to prevent goods or people from entering or leaving
Example
The naval blockade prevented supplies from reaching the port.
El bloqueo naval impidió que los suministros llegaran al puerto.
C1 noun /ˈbuːt.stræp.ɪŋ/

bootstrapping

autofinanciamiento
Meaning
Starting a business with personal resources or small investments without external funding or venture capital.
Example
Many entrepreneurs rely on bootstrapping to launch their businesses.
Muchos emprendedores dependen del bootstrapping para lanzar sus negocios.
C2 noun /ˈbɪbliəfaɪl/

bibliophile

bibliófilo
Meaning
A person who loves or collects books.
Example
She is a true bibliophile who spends weekends at old bookstores.
Ella es una verdadera bibliófila que pasa los fines de semana en librerías antiguas.
B1 noun /ˈbeɪ.kɪŋ ˈsoʊ.də/

Baking Soda

bicarbonato de sodio
Meaning
sodium bicarbonate used in cooking and baking as a leavening agent
Example
Add a teaspoon of baking soda to make the cake fluffy.
Agrega una cucharadita de bicarbonato de sodio para hacer el pastel esponjoso.
B2 adverb /bɪˈfɔːr.hænd/

Beforehand

de antemano; con anticipación; antes
Meaning
in advance; ahead of time; earlier
Example
We prepared everything beforehand.
Preparamos todo de antemano.
C2 noun /ˌbeɪt ˈnwɑːr/

bete noire

un objeto o persona que uno detesta
Meaning
A person or thing that one particularly dislikes or fears.
Example
Grammar has always been his bete noire.
La gramática siempre ha sido su béte nuar.
A1 noun /ˈbɜːrθ.deɪ/

birthday

Meaning
the anniversary of the day on which a person was born, typically celebrated annually
Example
We are planning a surprise birthday party for her.
B2 adjective /ˌbaɪəˈlɒdʒɪkl̩/

biological

biológico
Meaning
relating to the science of biology or to life and living organisms
Example
She is studying biological sciences at university.
Ella está estudiando ciencias biológicas en la universidad.
B1 noun /biːst/

Beast

bestia
Meaning
a large or dangerous animal; a cruel or unpleasant person
Example
The lion is a fierce beast of the jungle.
El león es una feroz bestia de la jungla.
C1 verb /blɛər/

blare

hacer un ruido fuerte
Meaning
to make a loud, harsh sound
Example
The car horns blared all night.
Las bocinas del coche sonaron toda la noche.
B2 adjective /bɪˈkʌmɪŋ/

becoming

apropiado
Meaning
attractive, suitable, or flattering to the wearer or situation
Example
That dress is very becoming on her.
Ese vestido le queda muy bien.
B2 noun /bʌlk/

Bulk

masa; mayor parte;
Meaning
the mass or size of something large; the greater part or majority of something
Example
The bulk of the work was completed before the deadline.
La mayor parte del trabajo se completó antes de la fecha límite.
C1 verb, noun /ˈbrɪsəl/

bristle

pelos rígidos; reaccionar con ira
Meaning
to react angrily or defensively; a short stiff hair or fiber
Example
The cat bristled when it saw the dog.
El gato se erizó cuando vio al perro.
B1 verb /braʊz/

browse

navegar
Meaning
To look at or skim through casually, especially online or in a store
Example
She likes to browse books in the library.
A ella le gusta navegar libros en la biblioteca.
C1 adjective /ˈbrɪslɪŋ/

bristling

erizado; lleno de energía
Meaning
full of energy, anger, or excitement; showing bristles standing up
Example
He entered the room bristling with confidence.
Entró en la habitación lleno de confianza.
C2 verb /bɪˈweɪl/

bewail

lamentar
Meaning
to express deep sorrow or regret over something; to mourn openly
Example
She bewailed the loss of her childhood home.
Ella lamentó la pérdida de su hogar de la infancia.
B1 noun /bloʊ/

Blow

golpe; un golpe fuerte con la mano, un arma o un objeto duro
Meaning
a powerful stroke with a hand, weapon, or hard object
Example
The boxer delivered a devastating blow to his opponent.
El boxeador dio un golpe devastador a su oponente.