breakthrough
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B2 noun ˈbreɪk.θruː

breakthrough

Meaning
A sudden, dramatic, and important discovery or development.
Example
The breakthrough opens doors for new technology.
B2 noun /ˈbɒmər/

Bomber

Meaning
military aircraft designed to drop bombs on targets
Example
The bomber squadron flew over the city at dawn.
B2 noun ˈbænd.wɪdθ

bandwidth

Meaning
A range of frequencies within a given band, in particular that used for transmitting a signal; the maximum amount of data that can be transmitted in a fixed amount of time.
Example
Increasing bandwidth enhances internet speed.
B2 verb /ˈbɔɪkɑt/

boycott

Meaning
to refuse to buy, use, or participate in something as a protest
Example
They decided to boycott the company's products.
B2 noun /bædʒ/

badge

Meaning
A small emblem or sign worn to show membership, authority, or achievement.
Example
The police officer showed his badge to identify himself.
B2 noun /briz/

Breeze

Meaning
a gentle wind; something that is achieved with ease
Example
The cool ocean breeze made the hot summer day more pleasant.
B2 noun /ˈbriː.ðɪŋ tɛkˌniːks/

breathing techniques

Meaning
Methods of controlling breathing to achieve relaxation and improve health.
Example
Breathing techniques help in reducing stress and anxiety.
B2 noun ˈbleɪzə

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.
B2 noun /ˈboʊlər/

bowler

Meaning
a person who delivers the ball in cricket; also a type of hard felt hat with a rounded crown
Example
The bowler took three wickets in the first over.
B2 adjective /bɪˈzɑːr/

bizarre

Meaning
very strange or unusual, especially so as to cause interest or amusement
Example
He told a bizarre story that no one could believe.
B2 noun /ˈbætʃələr/

Bachelor

Meaning
an unmarried man; a person who holds a first degree from a university
Example
He remained a bachelor all his life and earned a bachelor's degree in engineering.
B2 noun, verb /ˈblækmeɪl/

blackmail

Meaning
the act of demanding money or advantage by threatening to reveal secrets; to force someone to act by using such threats
Example
He tried to blackmail her by threatening to reveal the documents.
B2 verb /bɪˈtreɪ/

betray

Meaning
to be disloyal to; to reveal secrets
Example
He felt betrayed by his closest friend.
B2 noun /bɪzˈnɛs sʌˈsɛs/

business success

Meaning
The achievement of desired outcomes in business operations, typically measured by profitability, growth, and sustainability.
Example
Innovation drives business success.
B2 adjective /bɪˈlʌvɪd/

beloved

Meaning
dearly loved, highly regarded
Example
She was the beloved queen of the kingdom.
B2 verb /blʌʃ/

blush

Meaning
to become red in the face due to embarrassment or shyness
Example
She blushed when he complimented her.
B2 noun /ˈbɒt.əl.nek/

bottleneck

Meaning
Narrow path or obstruction, a place or situation where flow becomes slow.
Example
The narrow bridge is a major bottleneck during rush hour.
B2 adjective /ˌbaɪəˈlɒdʒɪkl̩/

biological

Meaning
relating to the science of biology or to life and living organisms
Example
She is studying biological sciences at university.
B2 noun /ˈbiː.təl/

Beetle

Meaning
a hard-bodied insect with wing covers
Example
The black beetle scurried across the garden path.
B2 noun /beɪs/

bass

Meaning
the lowest adult male singing voice; also, low-frequency sounds in music or a type of fish
Example
He played the bass guitar at the concert.
B2 noun, verb /ˈblɒsəm/

blossom

Meaning
a flower or mass of flowers on a tree or plant; to develop or flourish
Example
The small garden began to blossom in spring.
B2 noun /ˈbrɔːd.bænd/

broadband

Meaning
a high-capacity transmission technique using a wide range of frequencies.
Example
Broadband internet has become a necessity in modern homes.
B2 noun /brest/

Breast

Meaning
the front surface of a person's or animal's body between the neck and the stomach
Example
The baby fell asleep on her mother's breast.
B2 adjective /bəˈtænɪkəl/

botanical

Meaning
relating to plants or plant life
Example
She works at the botanical garden.
B2 adjective /blʌnt/

blunt

Meaning
not sharp; direct and straightforward in speech
Example
Her blunt remarks offended some people.
B2 noun /brɪŋk/

brink

Meaning
The edge or point just before a significant event or change.
Example
The company was on the brink of bankruptcy.
B2 noun /ˌbɛnɪˈfɪʃəri/

beneficiary

Meaning
a person who receives something, especially money or property, from a will or insurance policy
Example
She is the sole beneficiary of her father’s estate.
B2 verb /ˈbrɪdʒɪŋ/

bridging

Meaning
The action of building a bridge over something; connecting or reducing the distance between two things.
Example
The new initiative is bridging the gap between urban and rural development.
B2 noun ˈbaɪ.əs

bias

Meaning
Prejudice in favor of or against one thing, person, or group compared with another, usually in a way considered to be unfair.
Example
The judge must remain free from bias.
B2 noun /ˈbænər/

banner

Meaning
a large printed sign used for advertisements or announcements
Example
The company displayed a banner to advertise their new product.
B2 adverb /ˈbruːtəli/

brutally

Meaning
in a cruel, violent, or harsh manner; in a very direct and blunt way
Example
The prisoners were treated brutally by the guards.
B2 noun /ˈbʊlɪt/

Bullet

Meaning
a metal projectile fired from a gun
Example
The bullet missed its target and hit the wall.
B2 verb /blɪŋk/

blink

Meaning
to close and open the eyes quickly.
Example
She blinked rapidly to clear the dust from her eyes.
B2 verb /ˈbætər/

batter

Meaning
To strike repeatedly with force.
Example
The waves battered the shoreline all night.
B2 noun /ˈbæk.boʊn/

Backbone

Meaning
the series of vertebrae extending from the skull to the pelvis; spine
Example
He injured his backbone in the accident.
B2 noun /bækˈtɪəriəm/

bacterium

Meaning
A single microscopic organism belonging to the group of bacteria.
Example
The doctor explained that a single bacterium can multiply rapidly under the right conditions.
B2 verb /buːst/

boost

Meaning
To increase, improve, or raise something.
Example
The company launched a campaign to boost sales.
B2 adjective /beər/

Bare

Meaning
naked; uncovered; empty; minimal
Example
The bare walls of the room needed some decoration.
B2 noun /ˈbæŋkrʌptsi/

bankruptcy

Meaning
the state of being unable to pay debts owed, declared by a legal process
Example
The company declared bankruptcy after months of financial struggles.
B2 noun /bɪˈliːvər/

believer

Meaning
a person who believes in something, especially a religious faith, idea, or principle
Example
She is a strong believer in hard work and honesty.
B2 noun /biːt/

Beet

Meaning
a plant with a round dark red root that is eaten as a vegetable
Example
Roasted beet with goat cheese makes a delicious salad.
B2 noun /bɪˈtreɪəl/

Betrayal

Meaning
the action of betraying one's country, group, or person; disloyalty
Example
His betrayal of their friendship hurt her deeply.
B2 noun /ˈbɛriəl/

burial

Meaning
the act of placing a dead body into the ground.
Example
The burial ceremony took place in the afternoon.
B2 noun/verb /bruːz/

bruise

Meaning
As a noun: an injury appearing as a purple or blue mark on the skin; As a verb: to injure without breaking the skin
Example
He got a bruise on his arm after falling.
B2 adverb /ˈblʌnt.li/

Bluntly

Meaning
in a direct way without trying to be polite; frankly
Example
He told her bluntly that she was wrong.
B2 noun /ˈbroʊ.kər/

Broker

Meaning
a person who buys and sells goods or assets for others; an intermediary
Example
The stock broker helped me invest my money wisely.
B2 noun /bɪtʃ/

Bitch

Meaning
a female dog; an unpleasant or spiteful woman (offensive)
Example
The bitch gave birth to five puppies.
B2 verb /bræɡ/

brag

Meaning
to talk proudly about oneself or one's achievements in an annoying way
Example
He always brags about his expensive car.
B2 adjective /ˈbleɪzɪŋ/

Blazing

Meaning
burning fiercely; extremely hot; very bright
Example
The blazing sun made the day extremely hot.
B2 noun /brɑːnz/

bronze

Meaning
a metal made by combining copper and tin, often used for statues and medals
Example
The statue was made of solid bronze.
B2 noun /ˈbɛərɪŋ/

bearing

Meaning
a person's way of standing or moving; relevance or connection to something
Example
Her calm bearing impressed everyone in the room.
B2 adjective /ˈbraʊn.ɪʃ/

Brownish

Meaning
having a color somewhat like brown; tending toward brown
Example
The old paper had a brownish tint from age.
B2 noun /ˈblɒkˌtʃeɪn/

blockchain

Meaning
A system of recording information in a way that makes it difficult or impossible to change, hack, or cheat the system
Example
Blockchain technology ensures transparency in financial transactions.
B2 verb /breɪd/

braid

Meaning
to weave together strands of hair or material
Example
She braided her hair before going to school.
B2 noun /beɪ liːf/

Bay leaf

Meaning
dried aromatic leaf of the bay laurel tree used as a culinary herb
Example
Add a bay leaf to the soup for extra flavor.
B2 noun /ˈbækˌsaɪd/

backside

Meaning
the rear part or surface of something; informal term for the buttocks
Example
The kids slid down the hill on their backside.
B2 noun /ˈbækɪŋ/

Backing

Meaning
help or support; financial or material support
Example
The project received backing from several major investors.
B2 noun /buːθ/

booth

Meaning
a small enclosed space or area used for a specific purpose, such as voting or selling.
Example
He went into the voting booth to cast his ballot.
B2 adjective /bliːk/

bleak

Meaning
cold, miserable, or without hope
Example
The future seemed bleak after the economic downturn.
B2 noun ˈbaɪ.əʊˌfjuː.əl

biofuel

Meaning
A fuel derived immediately from living matter, as opposed to fossil fuels derived from long-dead biological matter.
Example
Biofuels reduce dependence on conventional energy sources.
B2 noun ˈbɛntʃˌmɑːr.kɪŋ

benchmarking

Meaning
Comparing with a specific industry or competitor to set the best standards.
Example
Companies use benchmarking to assess their performance.
B2 noun /biːm/

beam

Meaning
a ray or shaft of light; a long piece of wood or metal used to support weight
Example
A beam of sunlight entered through the window.
B2 noun ˌbaɪ.oʊ.dɪˈvɝː.sə.t̬i

biodiversity

Meaning
The variety of life in the world or in a particular habitat or ecosystem.
Example
Rainforests are home to immense biodiversity.
B2 noun /brum/

Broom

Meaning
a long-handled brush of bristles or twigs, used for sweeping
Example
She used an old broom to sweep the fallen leaves from the porch.
B2 adjective /ˈbruː.təl/

brutal

Meaning
extremely cruel or harsh; violent and without feeling
Example
The dictator’s rule was marked by brutal violence.
B2 adverb /ˈbɪt.ə.li/

Bitterly

Meaning
in an angry, hurt, or resentful way; extremely; severely
Example
She complained bitterly about the unfair treatment.
B2 noun /braʊ/

brow

Meaning
the part of the face above the eyes; forehead
Example
She wiped the sweat from her brow.
B2 noun /ˈblʌn.dər/

blunder

Meaning
A stupid or careless mistake; a serious error in judgment.
Example
His blunder cost the company a fortune.
B2 noun ˈbluː.prɪnt

blueprint

Meaning
A detailed plan or framework for a work or project, a pre-planned structure.
Example
The architect presented a blueprint for the new building.
B2 adjective /bɪˈheɪvjərəl/

behavioral

Meaning
relating to the way a person or animal acts
Example
The psychologist studied the child's behavioral patterns.
B2 noun /boʊst/

Boast

Meaning
an act of talking with excessive pride about one's achievements
Example
His constant boast about his wealth annoyed everyone.
B2 noun /ˈbɪtərnəs/

Bitterness

Meaning
anger and disappointment at being treated unfairly; resentment; a sharp, unpleasant taste
Example
She spoke with bitterness about her former employer.
B2 noun /bʌlk/

Bulk

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.
B2 noun/adjective /ˈbʌmpər/

bumper

Meaning
A protective bar at the front or back of a vehicle; also used to describe something unusually large or successful.
Example
The farmer celebrated a bumper harvest this year.
B2 adjective /ˈbaɪəst/

Biased

Meaning
showing prejudice for or against someone or something unfairly
Example
The judge was accused of being biased against the defendant.
B2 adjective /ˈbɒdɪli/

bodily

Meaning
relating to or concerning the body
Example
He suffered bodily harm in the accident.
B2 noun /ˈbɒtəni/

botany

Meaning
the scientific study of plants
Example
She is studying botany at the university.
B2 verb /bɑːrk/

bark

Meaning
to make a sharp sound like a dog; to speak angrily
Example
The dog barks at strangers.
B2 noun, verb /ˈbʌŋkər/

bunker

Meaning
a reinforced underground shelter; to place or store something in a protected place
Example
They hid in a bunker during the air raid.
B2 noun /ˈbɒdiɡɑːrd/

bodyguard

Meaning
a person employed to protect someone from harm
Example
The celebrity arrived with her bodyguard.
B2 verb /ˈbænɪʃ/

banish

Meaning
to send someone away from a place as punishment; to get rid of
Example
The king banished the traitor from the kingdom.
B2 adjective /brɪsk/

Brisk

Meaning
quick and energetic; lively; vigorous
Example
She took a brisk walk in the morning to feel energized.
B2 adjective /bɪˈliːvəbl̩/

believable

Meaning
Able to be trusted or accepted as true or reasonable.
Example
Her story was so detailed that it sounded believable.
B2 noun /ˈbɪʃəp/

bishop

Meaning
a senior member of the Christian clergy, usually in charge of a diocese and empowered to confer holy orders.
Example
The bishop delivered a powerful sermon during Sunday service.
B2 noun /ˈbæŋ.ɡəl/

Bangle

Meaning
a rigid bracelet or anklet worn as jewelry
Example
She wore beautiful gold bangles on her wrists.
B2 noun /ˈbælət/

ballot

Meaning
a process of voting, usually in secret; the paper used to record a vote
Example
Voters cast their ballot in the election.
B2 noun/verb /beɪt/

bait

Meaning
Food or lure used to attract fish or animals; to deliberately provoke or annoy.
Example
He used worms as bait to catch fish.
B2 noun /buˈkeɪ/

Bouquet

Meaning
an attractively arranged bunch of flowers, especially one presented as a gift or carried at a ceremony
Example
The bride carried a beautiful bouquet of white roses down the aisle.
B2 adverb /ˈbəʊld.li/

Boldly

Meaning
in a confident and brave way; without fear
Example
She boldly stepped forward to face the challenge.
B2 noun /ˈbel.i/

Belly

Meaning
the front part of the human trunk below the ribs, containing the stomach and bowels; abdomen
Example
The baby kicked in her belly during pregnancy.
B2 verb /bɪˈfrɛnd/

befriend

Meaning
to act as a friend to someone; to make friends with
Example
She befriended the new student at school.
B2 noun /ˈbʌf.ə.loʊ/

Buffalo

Meaning
a large wild ox with heavy horns; American bison
Example
The buffalo grazed peacefully in the meadow.
B2 noun /beɪ/

Bay

Meaning
a broad inlet of the sea where the land curves inward
Example
The boats are anchored in the bay.
B2 noun /ˈbʌn.dəl/

Bundle

Meaning
a collection of things or quantity of material tied or wrapped up together
Example
The mailman delivered a bundle of letters to our house.
B2 noun /ˈbeɪ.zəl/

Basil

Meaning
an aromatic herb with green leaves used in cooking, especially Italian cuisine
Example
The pasta sauce was flavored with fresh basil.
B2 verb /ˈbjuːtɪfaɪ/

beautify

Meaning
to make something more beautiful or attractive
Example
The city plans to beautify the old park with trees and lights.
B2 noun /ˈbɒmɪŋ/

bombing

Meaning
an attack using bombs or explosives
Example
The city was devastated by the bombing.
B2 verb /ˈbrɔːdən/

broaden

Meaning
to make wider or larger in scope; to expand ideas, experience, or understanding
Example
Travel can broaden your perspective on different cultures.
B2 verb /bleɪz/

blaze

Meaning
to burn brightly or powerfully
Example
The fire blazed for hours before it was brought under control.
B2 noun /biːk/

Beak

Meaning
the hard pointed part of a bird's mouth
Example
The eagle has a sharp beak for tearing meat.
B2 noun /baɪˈɒɡrəfi/

Biography

Meaning
an account of someone's life written by someone else; the story of a person's life
Example
I'm reading a fascinating biography of Albert Einstein.
B2 noun /ˈbeə.rər/

Bearer

Meaning
a person who carries or brings something; holder of a document
Example
The bearer of this message must deliver it quickly.
B2 noun, verb /bʌt/

butt

Meaning
to hit or push with the head or horns; the end part of something, especially a cigarette
Example
The goat butted the fence with its horns.
B2 noun bækˈtɪə.ri.ə

bacteria

Meaning
A member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus.
Example
Specialized bacteria aid in waste decomposition.
B2 noun/verb /bʌk/

buck

Meaning
A male deer; also to resist or oppose strongly.
Example
The horse began to buck wildly as the rider tried to hold on.
B2 noun /braɪb/

Bribe

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.
B2 adjective /ˌben.ɪˈfɪʃ.əl/

beneficial

Meaning
Resulting in good; favorable or advantageous.
Example
Eye rubbing can be beneficial in moderation.
B2 noun /bleɪd/

Blade

Meaning
a sharp flat cutting edge of a knife, sword, or tool
Example
The blade of the knife needs to be sharpened.
B2 noun /broʊtʃ/

brooch

Meaning
a decorative jewelry pin that is attached to clothing
Example
She wore a beautiful silver brooch on her jacket.
B2 noun/verb /briːtʃ/

breach

Meaning
A violation or breaking of a law, agreement, or code of conduct; an act of breaking or failing to observe a law, agreement, or code of conduct.
Example
The company faced a breach of data security.
B2 noun/verb /ˈbʌfər/

buffer

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.
B2 noun, verb /blæst/

blast

Meaning
a strong gust of wind, an explosion, or a loud sound; to destroy or shatter by explosion
Example
The explosion sent a powerful blast through the building.
B2 noun/verb /ˈbrækɪt/

bracket

Meaning
A support attached to a wall for holding something; also, to group things together.
Example
The shelf was held up by a strong metal bracket.
B2 noun /ˈbærəl/

barrel

Meaning
a large cylindrical container used to hold liquids
Example
The wine was stored in a wooden barrel.
B2 noun /bent/

Bent

Meaning
a natural inclination or talent; a strong interest or liking for something
Example
She has a natural bent for music and art.
B2 noun /bætʃ/

batch

Meaning
a quantity of items produced or processed at one time
Example
She baked a fresh batch of cookies this morning.
B2 noun /ˈbɜːrdn/

burden

Meaning
a heavy load, especially one that is difficult to carry
Example
The financial burden was too heavy for him to bear.
B2 noun /ˈboʊld.nəs/

Boldness

Meaning
willingness to take risks; confidence and courage in behavior
Example
Her boldness in confronting the problem impressed everyone.
B2 noun /bʌd/

Bud

Meaning
An undeveloped or immature flower before it opens
Example
The rose bud will bloom into a beautiful flower in a few days.
B2 noun, verb /bəˈfeɪ/ (noun), /ˈbʌfɪt/ (verb)

buffet

Meaning
A meal where guests serve themselves from a variety of dishes arranged on a table; also means to strike repeatedly (as a verb).
Example
We enjoyed a large buffet at the wedding reception.
B2 verb /ˈbraɪtən/

brighten

Meaning
to make something lighter or more colorful; to improve mood or make happier
Example
A few kind words can brighten someone's day.