Betrayer
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
C1 noun /bɪˈtreɪər/

Betrayer

traidor; delator
Meaning
a person who betrays someone or something; one who is disloyal
Example
The betrayer was exposed and faced severe consequences.
El traidor fue expuesto y enfrentó graves consecuencias.
C1 verb, noun /ˈbʌsəl/

bustle

bullicio, ajetreo
Meaning
to move in an energetic or noisy manner; busy activity in a place
Example
The marketplace bustled with vendors and customers.
El mercado estaba lleno de vendedores y clientes.
C1 noun /bʊk ˈbaɪn.dər/

Book binder

encuadernador de libros
Meaning
a person whose job is to fasten the pages of books together and put covers on them
Example
The old book binder carefully restored the antique manuscript.
El viejo encuadernador restauró cuidadosamente el antiguo manuscrito.
C1 noun /ˈboʊ.ə/

Boa

boa constrictora
Meaning
a large non-venomous snake that kills prey by constriction
Example
The boa constrictor wrapped around its prey.
El boa constrictor se envolvió alrededor de su presa.
C1 adjective bəˈnev.əl.ənt

benevolent

benevolente, generoso, bondadoso
Meaning
Kind, generous, showing goodwill and kindness.
Example
His benevolent nature made him beloved.
Su naturaleza benevolente lo hizo querido.
C1 verb/noun ˈbuːt.stræp

bootstrap

empezar un negocio utilizando recursos personales sin financiación externa
Meaning
To start and develop a business using personal resources without external funding.
Example
He bootstrapped his company with minimal resources.
Él comenzó su empresa con recursos mínimos.
C1 adjective /ˈbɑːmi/

balmy

templado y agradablemente cálido; reconfortante.
Meaning
Mild and pleasantly warm; soothing.
Example
We enjoyed a walk on a balmy summer evening.
Disfrutamos de una caminata en una suave tarde de verano.
C1 noun /ˈblʌdˌbæθ/

bloodbath

baño de sangre
Meaning
an event in which a lot of people are killed or injured, especially in a violent conflict
Example
The war turned into a bloody bloodbath.
La guerra se convirtió en un baño de sangre.
C1 noun /bɪz/

Biz

negocios
Meaning
business (informal); commercial enterprise or activity
Example
He's been in the restaurant biz for twenty years.
Ha estado en el negocio de los restaurantes durante veinte años.
C1 verb /bɔːk/

balk

negarse
Meaning
to hesitate or refuse to proceed or comply
Example
She balked at signing the contract without reading it fully.
Ella se negó a firmar el contrato sin leerlo completamente.
C1 noun /ˈbæs.ti.ən/

bastion

baluarte, fortaleza
Meaning
a stronghold or fortification; a place or institution strongly defending particular principles
Example
The castle stood as a bastion against enemy attacks.
El castillo se erguía como un baluarte contra los ataques enemigos.
C1 verb /ˈbɛkən/

beckon

hacer señas
Meaning
to signal or call someone to come closer, often with a gesture; to attract or invite
Example
She beckoned him to come closer with a wave of her hand.
Ella le hizo señas para que se acercara con la mano.
C1 verb /ˈbæbəl/

babble

balbucear
Meaning
to talk rapidly and continuously in a foolish way
Example
The baby babbles all day long.
El bebé balbucea todo el día.
C1 verb /bɪˈhoʊld/

behold

contemplar; observar
Meaning
to see or observe something, especially something remarkable or impressive
Example
She stood quietly to behold the sunrise over the hills.
Ella se quedó en silencio para contemplar el amanecer sobre las colinas.
C1 adjective /ˈbed.rɪd.ən/

Bedridden

postrado en cama
Meaning
confined to bed; unable to leave one's bed due to illness or infirmity
Example
The elderly man has been bedridden for several months.
El hombre anciano ha estado postrado en cama durante varios meses.
C1 verb /ˈbrændɪʃ/

brandish

agitar
Meaning
to wave or flourish something, especially a weapon, in a threatening or showy way
Example
He brandished a sword to scare off the intruders.
Él brandió una espada para asustar a los intrusos.
C1 adjective /ˈbæʃ.fəl/

Bashful

tímido; vergonzoso; modesto; fácil de avergonzar
Meaning
shy; timid; modest; easily embarrassed
Example
The bashful child hid behind her mother when meeting strangers.
La niña tímida se escondió detrás de su madre cuando conoció a los extraños.
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.
C1 adjective /ˈboʊɡəs/

bogus

falso
Meaning
false, fake, or not genuine
Example
The police arrested him for using a bogus ID card.
La policía lo arrestó por usar una tarjeta de identificación falsa.
C1 adjective /ˈbleɪmləs/

blameless

inocente
Meaning
innocent of wrongdoing; not deserving blame
Example
She remained calm and blameless throughout the investigation.
Ella permaneció tranquila e inocente durante toda la investigación.
C1 verb /bɪˈhɛd/

behead

decapitar
Meaning
to cut off a person's or animal's head; to remove the leader or most important part
Example
The historical account describes how the traitor was beheaded as punishment.
El relato histórico describe cómo el traidor fue decapitado como castigo.
C1 verb /bɪˈlɪtl/

belittle

menospreciar
Meaning
To make someone or something seem less important or less valuable.
Example
He often belittled his coworkers to feel superior.
Él a menudo menospreciaba a sus compañeros de trabajo para sentirse superior.
C1 noun /ˌbɪbliˈɒɡrəfi/

bibliography

bibliografía
Meaning
a list of books, articles, or other sources used or referred to in scholarly work
Example
The report includes a detailed bibliography at the end.
El informe incluye una bibliografía detallada al final.
C1 noun /baɪl/

Bile

bilis
Meaning
a bitter greenish-brown alkaline fluid that aids digestion and is secreted by the liver and stored in the gallbladder
Example
The liver produces bile to help digest fats.
El hígado produce bilis para ayudar a digerir las grasas.
C1 noun /beɪl/

bale

fardo
Meaning
A large bundle of goods tightly wrapped and bound.
Example
The workers loaded the bale of cotton onto the truck.
Los trabajadores cargaron el fardo de algodón en el camión.
C1 noun /bəˈbuːn/

Baboon

babuino
Meaning
a large African and Arabian primate with a dog-like snout and colorful buttocks
Example
The baboon troop gathered around the watering hole in the savanna.
El grupo de babuinos se reunió alrededor del agujero de agua en la sabana.
C1 verb /bɪˈsiːdʒ/

besiege

sitio
Meaning
to surround a place with armed forces to capture it; to overwhelm with requests or attention
Example
The city was besieged by enemy troops.
La ciudad fue sitiada por tropas enemigas.
C1 noun /baʊt/

Bout

combate; lucha; sesión;
Meaning
a short period of intense activity of a specified kind; a wrestling or boxing match
Example
After a bout of illness, she finally recovered and returned to work.
Después de un episodio de enfermedad, finalmente se recuperó y volvió al trabajo.
C1 noun /braɪn/

brine

agua salada
Meaning
Water saturated with salt, often used for preserving food.
Example
The olives were stored in brine to keep them fresh.
Las aceitunas se guardaron en agua salada para mantenerlas frescas.
C1 adjective /ˈbloʊtɪd/

bloated

hinchado
Meaning
swollen or puffed up, often unpleasantly
Example
After the big meal, he felt bloated and uncomfortable.
Después de la gran comida, se sintió hinchado e incómodo.
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.
C1 noun /beɪn/

bane

maldición
Meaning
A cause of great distress, harm, or annoyance.
Example
Traffic jams are the bane of city life.
Los atascos son la maldición de la vida en la ciudad.
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 noun /bəˈtæljən/

battalion

batallón
Meaning
A large body of soldiers ready for battle, typically consisting of several companies.
Example
The battalion was deployed to the front line.
El batallón fue desplegado a la línea del frente.
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.
C1 verb /blæntʃ/

blanch

despálido
Meaning
to turn pale from shock, fear, or to briefly boil food to remove skin or prepare it
Example
She blanched at the sight of blood.
Ella se puso pálida al ver la sangre.
C1 verb /broʊtʃ/

broach

abordar
Meaning
to bring up a subject for discussion
Example
She decided to broach the topic of salary with her manager.
Ella decidió abordar el tema del salario con su jefe.
C1 noun /bɜːrθ/

Berth

lit; un lugar para dormir en un barco, tren u otro vehículo
Meaning
a sleeping place in a ship, train, or other vehicle; a place where a ship can dock
Example
I booked an upper berth on the overnight train.
Reservé una litera superior en el tren nocturno.
C1 noun /ˈbeɪ.zəl siːdz/

Basil Seeds

semillas de albahaca
Meaning
small black seeds from the basil plant, often used in drinks and desserts
Example
I added basil seeds to my lemonade for a refreshing drink.
Añadí semillas de albahaca a mi limonada para una bebida refrescante.
C1 adjective /ˈbɛndi/

bendy

flexible
Meaning
Easily curved or flexible.
Example
The bendy straw made it easier to drink from the cup.
La pajita flexible hizo más fácil beber del vaso.
C1 noun /ˈbɛərnəs/

bareness

desnudez
Meaning
the state of being bare or uncovered; lack of decoration, warmth, or concealment
Example
The bareness of the room made it feel cold and unwelcoming.
La desnudez de la habitación la hacía sentir fría y poco acogedora.
C1 verb /ˈbɪkər/

bicker

discutir por cosas triviales
Meaning
To argue or quarrel about trivial matters.
Example
The children began to bicker over the last piece of cake.
Los niños comenzaron a discutir por el último pedazo de pastel.
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.
C1 noun /ˈbɪɡətri/

bigotry

intolerancia
Meaning
Intolerance toward those who hold different opinions or lifestyles.
Example
Her bigotry prevented her from accepting people with different beliefs.
Su intolerancia le impidió aceptar a personas con creencias diferentes.
C1 noun /ˈbærɪstər/

barrister

abogado
Meaning
A type of lawyer in certain legal systems who specializes in courtroom advocacy and litigation.
Example
The barrister argued the case passionately before the judge.
El abogado defendió el caso con pasión ante el juez.
C1 noun /bɑːrb/

barb

pua, comentario hiriente
Meaning
a sharp projection such as on a fishhook; a cutting remark
Example
The fishhook has a small barb to keep the fish from escaping.
El anzuelo de pesca tiene una pequeña pua para evitar que el pez se escape.
C1 noun /ˈbroʊkərɪdʒ/

brokerage

corretaje
Meaning
A firm that acts as an intermediary between buyers and sellers, often charging a fee.
Example
The real estate brokerage helped them find a new home.
La correduría inmobiliaria les ayudó a encontrar una nueva casa.
C1 noun /blaɪt/

blight

plaga
Meaning
A disease or condition that causes plants to wither; something that spoils or damages.
Example
The drought was a blight on the farmer’s crops.
La sequía fue una plaga para los cultivos del agricultor.
C1 adjective/verb /ˈbæntərɪŋ/

bantering

burlarse
Meaning
characterized by good-humored teasing or joking
Example
They had a bantering conversation at the café.
Tuvieron una conversación burlona en el café.
C1 noun /ˌbaɪˈlæt.ər.əl nɪˌɡəʊ.ʃiˈeɪ.ʃənz/

bilateral negotiations

negociaciones bilaterales
Meaning
Negotiations or discussions between two parties, typically countries or organizations.
Example
Bilateral negotiations resolve disputes.
Las negociaciones bilaterales resuelven disputas.
C1 adjective /ˈbaɪtɪŋ/

Biting

mordiendo; frío intenso; crítico agudo o áspero
Meaning
extremely cold; sharply critical or harsh
Example
The biting cold made everyone shiver.
El frío mordaz hizo que todos temblaran.
C1 adjective /ˈblaɪtɪd/

blighted

desolado
Meaning
Spoiled, damaged, or destroyed.
Example
The blighted neighborhood was abandoned by most residents.
El vecindario desolado fue abandonado por la mayoría de los residentes.
C1 verb /bɪˈriːv/

bereave

perder a un ser querido
Meaning
to deprive someone of a loved one through death
Example
She was bereaved of her husband last year.
Ella perdió a su esposo el año pasado.
C1 verb /bloʊt/

bloat

hinchar
Meaning
to swell or cause to swell, often due to fluid or gas
Example
Eating too much junk food can bloat your stomach.
Comer demasiada comida chatarra puede hacer que tu estómago se hinche.
C1 noun /ˈblʌd.ʃed/

Bloodshed

derramamiento de sangre; matanza
Meaning
the killing or wounding of people, typically in large numbers during a conflict
Example
The peace treaty was signed to prevent further bloodshed.
Se firmó el tratado de paz para evitar más derramamiento de sangre.
C1 noun /brɔːl/

brawl

pelea
Meaning
a noisy fight in a public place
Example
A brawl broke out outside the bar late at night.
Una pelea estalló afuera del bar tarde en la noche.
C1 noun /bɒmˈbɑːrdmənt/

bombardment

bombardeo
Meaning
a continuous attack with bombs or other projectiles
Example
The city endured a heavy bombardment during the war.
La ciudad soportó un fuerte bombardeo durante la guerra.
C1 noun /ˈbɔɪənsi/ or /ˈbuːjənsi/

buoyancy

flotabilidad, alegría
Meaning
The ability to float in a liquid; cheerfulness and optimism.
Example
Her natural buoyancy lifted the mood of the group.
Su flotabilidad natural levantó el ánimo del grupo.
C1 verb bɪˈkwiːð

bequeath

legar por testamento
Meaning
Leave something to someone in a will; pass down or hand down to the next generation.
Example
The scientist bequeathed his research papers to the university.
El científico legó sus papeles de investigación a la universidad.
C1 verb /ˈbɒɡəl/

boggle

asombrar
Meaning
to overwhelm or confuse; to be astonished or puzzled by something
Example
The complexity of the puzzle boggled his mind.
La complejidad del rompecabezas asombró su mente.
C1 noun/adjective/verb /bʌf/

buff

aficionado / pulir
Meaning
A fan or enthusiast; also to polish or shine something.
Example
He is a movie buff who watches films every weekend.
Él es un aficionado al cine que ve películas cada fin de semana.
C1 adjective /bɪˈriːvd/

Bereaved

afligido
Meaning
having lost a loved one through death
Example
The bereaved family received many condolences.
La familia afligida recibió muchas condolencias.
C1 noun /bruːˈtæləti/

brutality

brutalidad
Meaning
extreme cruelty or violence; savage or inhumane treatment
Example
The brutality of the attack shocked the entire community.
La brutalidad del ataque conmocionó a toda la comunidad.
C1 adjective /ˈbɔɪstərəs/

boisterous

bullicioso
Meaning
noisy, energetic, and cheerful; rowdy
Example
The children were boisterous during the birthday party.
Los niños estaban bulliciosos durante la fiesta de cumpleaños.
C1 verb; noun /beltʃ/

belch

eructar
Meaning
to expel air noisily from the stomach through the mouth; to emit or pour out suddenly and forcefully
Example
After drinking the soda, he belched loudly.
Después de beber el refresco, eructó fuerte.
C1 verb /bɪˈstoʊ/

bestow

otorgar
Meaning
To give or present something as a gift or honor.
Example
The king bestowed honors upon the brave soldiers.
El rey otorgó honores a los valientes soldados.
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 noun /bəˈnæn.zə/

Bonanza

situación o evento que crea un aumento repentino en la riqueza, la buena suerte o las ganancias
Meaning
a situation or event that creates a sudden increase in wealth, good fortune, or profits
Example
The oil discovery was a bonanza for the small country.
El descubrimiento de petróleo fue una bonanza para el pequeño país.
C1 adjective ˌbjʊə.rəˈkræt.ɪk

bureaucratic

burocrático
Meaning
Involving or characterized by complex rules and procedures that can delay the achievement of goals.
Example
Bureaucratic red tape often delays project approvals.
La burocracia a menudo retrasa la aprobación de proyectos.
C1 adjective /ˈbʊkɪʃ/

Bookish

estudioso; académico
Meaning
studious; scholarly; devoted to reading and studying
Example
She was known for her bookish nature and love of literature.
Ella era conocida por su naturaleza estudiosa y amor por la literatura.
C1 noun /ˈbɜːrθraɪt/

birthright

derecho de nacimiento
Meaning
A privilege or possession that a person has from birth.
Example
Freedom is considered a birthright of every individual.
La libertad se considera un derecho de nacimiento de cada individuo.
C1 noun /ˈbrɛvɪti/

brevity

breviedad
Meaning
Concise and exact use of words in writing or speech.
Example
The brevity of the speech kept the audience engaged.
La brevedad del discurso mantuvo a la audiencia comprometida.
C1 adjective /ˈbreɪzən/

brazen

descarado
Meaning
Bold and without shame; shameless.
Example
She made a brazen attempt to lie in front of everyone.
Ella hizo un intento descarado de mentir frente a todos.
C1 noun /ˈbɪtər ɡɔːrd/

Bitter Gourd

melón amargo
Meaning
a green, bumpy vegetable with a very bitter taste, known for its medicinal properties
Example
Bitter gourd is excellent for controlling blood sugar levels.
El melón amargo es excelente para controlar los niveles de azúcar en la sangre.
C1 adjective, noun /ˈbʊrʒ.wɑː/

bourgeois

burgués
Meaning
Relating to the middle class, often with materialistic values or conventional attitudes.
Example
The novel criticizes the bourgeois lifestyle of the city dwellers.
La novela critica el estilo de vida burgués de los habitantes de la ciudad.
C1 noun/verb /ˈbɔɪ/ or /ˈbuːi/

buoy

boya, mantener a flote
Meaning
A floating marker on water; to keep something afloat or encourage someone.
Example
The news buoyed their spirits after the loss.
La noticia elevó su espíritu después de la pérdida.
C1 verb /ˈbruːtəlaɪz/

brutalize

brutalizar
Meaning
to treat someone with extreme violence or cruelty; to make something harsh or cruel
Example
The regime was accused of brutalizing innocent civilians.
El régimen fue acusado de brutalizar a civiles inocentes.
C1 noun /bɑːrˈbeəriən/

Barbarian

bárbaro; salvaje;
Meaning
a person from an uncivilized group; someone who is cruel or brutal
Example
The ancient Romans considered anyone outside their empire to be barbarians.
Los antiguos romanos consideraban bárbaros a todos los que estaban fuera de su imperio.
C1 verb /ˈbæfəl/

baffle

desconcertar
Meaning
to confuse; to be too difficult to understand
Example
The math problem baffles me completely.
El problema de matemáticas me desconcierta completamente.
C1 verb /ˈblækən/

blacken

ennegrecer
Meaning
to make something black or darker; to stain, soil, or tarnish
Example
Smoke from the fire began to blacken the walls.
El humo del fuego empezó a ennegrecer las paredes.
C1 adjective /bəˈlɪdʒ.ər.ənt/

belligerent

beligerante o agresivo
Meaning
Hostile and aggressive, ready to fight or argue.
Example
His belligerent attitude often leads to conflicts.
Su actitud beligerante a menudo conduce a conflictos.
C1 adjective /ˈbær.ən/

Barren

árido; estéril; desolado; improductivo
Meaning
sterile; unable to produce; desolate; unproductive
Example
The barren desert stretched for miles without any vegetation.
El desierto árido se extendía por millas sin vegetación.
C1 adjective /bəˈzɜːrk/

berserk

enloquecido
Meaning
Out of control with anger or excitement; wild or frenzied.
Example
The fans went berserk when their team won the championship.
Los fanáticos se volvieron enloquecidos cuando su equipo ganó el campeonato.
C1 adjective ˈbɜːdʒənɪŋ

burgeoning

en expansión
Meaning
Beginning to grow or increase rapidly; flourishing.
Example
The burgeoning tech industry has attracted many investors.
La industria tecnológica en expansión ha atraído a muchos inversores.
C1 noun /ˈbed sted/

Bed stead

estructura de la cama
Meaning
the framework of a bed; a bed frame without bedding
Example
The wooden bed stead was very sturdy.
La estructura de madera de la cama era muy resistente.
C1 noun /bʌm/

bum

trasero
Meaning
informal term for the buttocks; also a homeless or lazy person
Example
He sat on his bum all day doing nothing.
Estuvo sentado en su trasero todo el día sin hacer nada.
C1 noun /ˈbænɪstər/

banister

barandal
Meaning
a railing supported by posts at the side of a staircase or balcony
Example
She held the banister tightly while going down the stairs.
Ella sujetó el barandal con fuerza mientras bajaba las escaleras.
C1 verb /bɪˈwɪldər/

bewilder

desconcertar
Meaning
to cause someone to be confused or puzzled
Example
The complex instructions bewildered the students.
Las instrucciones complejas desconcertaron a los estudiantes.
C1 adjective /bəˈnɑːl/ or /ˈbeɪnəl/

banal

común
Meaning
Lacking originality; boringly obvious and commonplace.
Example
His speech was full of banal clichés.
Su discurso estaba lleno de clichés comunes.
C1 verb /ˈbɑːrtər/

barter

trueque
Meaning
To exchange goods or services without using money.
Example
They bartered their crops for handmade tools.
Intercambiaron sus cultivos por herramientas hechas a mano.
C1 adjective /ˈbækˌhændɪd/

backhanded

indirecto o sarcástico
Meaning
Indirect or sarcastic, often appearing as praise but actually insulting.
Example
She gave him a backhanded compliment about his work.
Ella le dio un elogio indirecto sobre su trabajo.
C1 noun /ˈblɪs.tər/

Blister

ampolla
Meaning
a small bubble on the skin filled with serum and caused by friction, burning, or other damage
Example
The new shoes gave her a painful blister on her heel.
Los nuevos zapatos le dieron una dolorosa ampolla en el talón.
C1 adjective /ˈbɔɪənt/ or /ˈbuːjənt/

buoyant

flotante, animado
Meaning
Able to float easily; cheerful and optimistic.
Example
She remained buoyant despite the difficulties.
Ella permaneció animada a pesar de las dificultades.
C1 noun /ˈblɒk.ɪdʒ/

Blockage

bloqueo
Meaning
an obstruction that makes movement or flow difficult or impossible
Example
The drain blockage caused water to overflow in the kitchen.
El bloqueo del drenaje causó que el agua se desbordara en la cocina.
C1 adjective /ˈbuːzi/

boozy

alcohólico
Meaning
containing or involving a lot of alcohol; slightly drunk from alcohol
Example
The party became boozy as the night went on.
La fiesta se volvió alcohólica a medida que avanzaba la noche.
C1 noun /ˈbeɪsbɔːrd/

baseboard

zócalo
Meaning
A narrow board running along the bottom of an interior wall, covering the joint between wall and floor.
Example
The carpenter painted the baseboard white.
El carpintero pintó el zócalo de blanco.
C1 adjective /bɪˈfɪt.ɪŋ/

Befitting

adecuado; apropiado; adecuado para una situación o persona particular
Meaning
appropriate; suitable; proper for a particular situation or person
Example
He wore formal attire befitting the important occasion.
Llevó ropa formal adecuada para la ocasión importante.
C1 verb, noun /ˈbreɪnˌwɒʃ/

brainwash

lavar el cerebro
Meaning
to manipulate someone into adopting certain beliefs by repeated pressure or propaganda; the act or process of such manipulation
Example
The group tried to brainwash new members with constant propaganda.
El grupo intentó lavar el cerebro a los nuevos miembros.
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.
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.
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.
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.
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.
C1 verb /ˈbʌŋɡəl/

bungle

estropear
Meaning
To carry out a task clumsily or incompetently.
Example
He bungled the presentation and confused the audience.
Él estropeó la presentación y confundió a la audiencia.
C1 noun /brɪˈɡeɪd/

brigade

brigada
Meaning
A large group of people organized for a specific purpose, especially a military unit.
Example
The fire brigade arrived quickly to put out the flames.
La brigada de bomberos llegó rápidamente para apagar las llamas.
C1 noun /ˈbɑːr.tər ˌsɪs.təm/

barter system

sistema de intercambio
Meaning
A system of exchange where goods and services are traded directly without using money.
Example
Ancient civilizations used the barter system for trade.
Las civilizaciones antiguas usaban el sistema de intercambio para el comercio.
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.
C1 verb /bɒmˈbɑːrd/

bombard

bombardear
Meaning
to attack continuously with bombs, questions, or other forces
Example
Reporters bombarded the minister with difficult questions.
Los reporteros bombardearon al ministro con preguntas difíciles.
C1 adjective /ˈbaʊn.tɪ.fəl/

bountiful

abundante / generoso
Meaning
Large in quantity; abundant; generous in giving.
Example
The farmer was grateful for the bountiful harvest.
El agricultor estaba agradecido por la abundante cosecha.
C1 adjective /ˈbrɪtl/

brittle

quebradizo
Meaning
easily broken or cracked; hard but liable to break
Example
The glass was so brittle that it cracked easily.
El cristal era tan quebradizo que se rompió fácilmente.
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.
C1 phrase ˌbaɪ.oʊ.daɪˈvɜː.sɪ.ti ˌprez.əˈveɪ.ʃən

biodiversity preservation

preservación de la biodiversidad
Meaning
The protection and conservation of the variety of life in all its forms, including different species, genetic diversity, and ecosystems.
Example
Biodiversity preservation is critical for ecological balance.
La preservación de la biodiversidad es crítica para el equilibrio ecológico.
C1 noun/adjective /ˈbaɪ.ɡɒn/

bygone

pasado
Meaning
Something belonging to an earlier time; past and no longer existing.
Example
He often talks about the traditions of bygone days.
Él a menudo habla sobre las tradiciones de los días pasados.
C1 noun /blæk sɔːlt/

Black Salt

sal negra
Meaning
a type of rock salt with a distinctive sulfuric flavor, commonly used in Indian cuisine
Example
Add a pinch of black salt to enhance the flavor of the fruit salad.
Agregue una pizca de sal negra para mejorar el sabor de la ensalada de frutas.
C1 noun /ˈbreɪkər/

breaker

disyuntor (algo que rompe, una ola grande que se rompe cerca de la orilla, o un dispositivo que interrumpe un circuito eléctrico)
Meaning
A person or thing that breaks something; a large sea wave that breaks into foam near the shore; a device that interrupts an electric circuit.
Example
The breaker tripped during the storm, cutting off electricity.
El disyuntor se disparó durante la tormenta, cortando la electricidad.
C1 verb /bɪˈɡɛt/

beget

engendrar / procrear
Meaning
to bring about or give rise to; to father or produce
Example
Violence begets more violence.
La violencia engendra más violencia.
C1 noun /bəˈtɒn/

baton

bastón / símbolo de autoridad
Meaning
A thin stick carried by a conductor to direct an orchestra, or used as a symbol of authority.
Example
The conductor raised his baton to begin the symphony.
El director levantó su batón para comenzar la sinfonía.
C1 noun /bəˈrɒmɪtər/

barometer

barómetro de presión atmosférica
Meaning
an instrument that measures atmospheric pressure
Example
The barometer indicated a storm was approaching.
El barómetro indicó que se acercaba una tormenta.
C1 adjective /ˈblʌdləs/

bloodless

sin sangre
Meaning
without bloodshed; lacking violence or vitality
Example
The revolution was surprisingly bloodless.
La revolución fue sorprendentemente sin sangre.
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 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.