biological
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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 /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 verb /boʊlt/

bolt

Meaning
To move suddenly and quickly; also to fasten something with a bolt.
Example
The horse bolted from the stable after hearing a loud noise.
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 noun /blæk sneɪk/

Black Snake

Meaning
a snake with dark or black colored skin
Example
The black snake slithered through the grass.
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 /biːk/

Beak

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

bodyguard

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

backdrop

Meaning
a painted cloth or other structure used behind a stage
Example
The backdrop for the play was a beautiful mountain scene.
B2 noun /ˈbɒmɪŋ/

bombing

Meaning
an attack using bombs or explosives
Example
The city was devastated by the bombing.
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 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 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 noun /ˈbrɔːdˌkæstər/

broadcaster

Meaning
a person or organization that transmits a broadcast program.
Example
The broadcaster aired the match live to millions of viewers.
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 /ˈbʌmpi/

Bumpy

Meaning
having an uneven surface; rough; jolting
Example
The bumpy road made the car ride very uncomfortable.
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 adjective /blʌnt/

blunt

Meaning
not sharp; direct and straightforward in speech
Example
Her blunt remarks offended some people.
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 verb /buːst/

boost

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

breakdown

Meaning
a failure or collapse of a system or machinery
Example
The car had a breakdown on the highway.
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 adjective /ˌbaɪˈlɪŋɡwəl/

bilingual

Meaning
Able to speak two languages fluently.
Example
She grew up in a bilingual household speaking both English and Spanish.
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 noun/verb /bʌst/

bust

Meaning
As a noun: A sculpture of a person's head, shoulders, and chest; As a verb: To break, smash, or arrest.
Example
The police busted the gang last night.
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 /ˈbæŋ.ɡəl/

Bangle

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

bureau

Meaning
An office or agency that provides services or manages specific duties.
Example
The travel bureau helped them plan their vacation.
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 /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 noun ˈbɪz.nɪs ˈfaɪ.næns

business finance

Meaning
The area of finance that deals with sources of funding and the capital structure of corporations.
Example
Effective business finance enhances profitability.
B2 noun /ˈbɒtəni/

botany

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

Bitch

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

bodily

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

becoming

Meaning
attractive, suitable, or flattering to the wearer or situation
Example
That dress is very becoming on her.
B2 verb /breɪd/

braid

Meaning
to weave together strands of hair or material
Example
She braided her hair before going to school.
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 /ˈbætəlˌfiːld/

battlefield

Meaning
a place where a battle is fought
Example
The battlefield was covered with the remnants of the fight.
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 /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 adjective /bəˈtænɪkəl/

botanical

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

bark

Meaning
to make a sharp sound like a dog; to speak angrily
Example
The dog barks at strangers.
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 noun /ˈbæŋkrʌpt/

Bankrupt

Meaning
a person unable to pay debts; having no money; completely lacking in something
Example
The company went bankrupt after years of poor financial management.
B2 verb /buːm/

boom

Meaning
to make a loud deep sound; to grow or increase rapidly
Example
The thunder boomed across the sky.
B2 noun /bɪd/

Bid

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.
B2 adjective /beər/

Bare

Meaning
naked; uncovered; empty; minimal
Example
The bare walls of the room needed some decoration.
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 interjection /ˈbrɑː.voʊ/

bravo

Meaning
used to express approval, admiration, or praise
Example
The audience shouted 'Bravo!' after the stunning performance.
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 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 /bɪˈfrɛnd/

befriend

Meaning
to act as a friend to someone; to make friends with
Example
She befriended the new student at school.
B2 noun ˈbɛriəl saɪt

burial site

Meaning
A place where a dead body is buried.
Example
The burial site of the martyrs was near the riverbank.
B2 noun, verb /bɒb/

bob

Meaning
a short sudden movement up and down; to move quickly up and down
Example
The small boat began to bob on the waves.
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 adverb /bɪˈfɔːr.hænd/

Beforehand

Meaning
in advance; ahead of time; earlier
Example
We prepared everything beforehand.
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 /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 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 /ˈbærəl/

barrel

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

bland

Meaning
lacking strong features, flavor, or character; dull or uninteresting
Example
The soup was too bland for my taste.
B2 noun /ˈblæk.smɪθ/

Blacksmith

Meaning
a person who makes and repairs things made of iron
Example
The blacksmith hammered the hot iron into a horseshoe.
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 /biːd/

Bead

Meaning
a small round object with a hole through it for threading
Example
She made a necklace with colorful beads.
B2 noun /ˈbɑː.li/

Barley

Meaning
a cereal grain used for food, brewing beer, and animal feed
Example
The farmer harvested barley from his fields in autumn.
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, 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 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 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 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, 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 verb /blɜːr/

blur

Meaning
to make something unclear or difficult to see
Example
Tears blurred her vision.
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 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; verb /breɪs/

brace

Meaning
a device that supports or strengthens something; to prepare mentally or physically for something difficult
Example
She braced herself for the strong wind.
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, 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 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 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 verb /bɪˈtreɪ/

betray

Meaning
to be disloyal to; to reveal secrets
Example
He felt betrayed by his closest friend.
B2 verb /bleɪz/

blaze

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

boo

Meaning
To show disapproval by shouting 'boo'; or a sound made to surprise or scare.
Example
The audience began to boo the bad performance.
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 adjective /ˌben.ɪˈfɪʃ.əl/

beneficial

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

Bullet

Meaning
a metal projectile fired from a gun
Example
The bullet missed its target and hit the wall.
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 /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 ˈbʌtərflaɪ ˌpɒpjəˈleɪʃən

Butterfly Population

Meaning
The total number of butterflies in a particular area or ecosystem.
Example
The butterfly population is declining due to habitat loss.
B2 noun /ˈbiː.təl/

Beetle

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

beloved

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

Bold

Meaning
brave; confident; daring
Example
He made a bold decision to start his own business.
B2 noun /brɑː/

bra

Meaning
a woman's undergarment worn to support and cover the breasts
Example
She bought a comfortable bra for everyday wear.
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/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 /braʊ/

brow

Meaning
the part of the face above the eyes; forehead
Example
She wiped the sweat from her brow.
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 /ˈboʊld.nəs/

Boldness

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

broadly

Meaning
in a general or wide manner.
Example
The rules are broadly similar across all regions.
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 ˈbentʃ.mɑːk

benchmark

Meaning
A standard or point of reference against which things may be compared or assessed.
Example
Sabah Al Ahmad Sea City sets a benchmark in sustainability.
B2 adjective /ˈbeə.rə.bəl/

Bearable

Meaning
able to be endured; tolerable; not too unpleasant or painful
Example
The pain became bearable after taking the medicine.
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 adjective /ˌbaɪəʊdɪˈɡreɪdəbl/

biodegradable

Meaning
Capable of being decomposed by natural biological processes, typically by bacteria or other living organisms, without causing harm to the environment.
Example
Biodegradable materials break down naturally without harming the environment.
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 adverb /ˈbəʊld.li/

Boldly

Meaning
in a confident and brave way; without fear
Example
She boldly stepped forward to face the challenge.
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 adjective /bɪˈheɪvjərəl/

behavioral

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