bromine
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C2 noun /ˈbroʊmiːn/

bromine

Meaning
a dark red, dense, toxic liquid element used in making dyes, flame retardants, and medications
Example
Bromine is commonly used in water treatment chemicals.
C2 adjective /bəˈnɛfɪsənt/

beneficent

Meaning
generous or doing good
Example
The beneficent leader donated funds to build a hospital.
A1 verb /bʌt/

but

Meaning
to hit or push with the head or horns; to strike forcefully
Example
The goat butted against the fence.
B1 phrasal verb /bloʊ aʊt/

blow out

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.
C1 verb /bɔːl/

bawl

Meaning
to shout or cry loudly
Example
The baby bawled all night, keeping everyone awake.
C1 noun/adjective /ˈbaɪ.ɡɒn/

bygone

Meaning
Something belonging to an earlier time; past and no longer existing.
Example
He often talks about the traditions of bygone days.
C1 verb /bɪˈreɪt/

berate

Meaning
to scold or criticize angrily
Example
The teacher berated the student for being late.
B1 noun /bɪˈhɑːf/

behalf

Meaning
as a representative of someone; in the interest of someone
Example
She accepted the award on behalf of her team.
C1 verb /ˈbrændɪʃ/

brandish

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.
C2 adjective /baɪˈɛniəl/

biennial

Meaning
happening every two years
Example
The biennial festival attracts thousands of visitors.
A2 verb /beɪk/

bake

Meaning
to cook food using dry heat, usually in an oven
Example
She baked a cake for her friend's birthday.
B2 verb baɪnd

bind

Meaning
To tie, fasten, or hold together securely.
Example
This force binds quarks together.
C2 verb /bɪˈsiːtʃ/

beseech

Meaning
To ask someone urgently and fervently to do something; to beg.
Example
He beseeched the judge for mercy.
A2 noun, verb /bræntʃ/

branch

Meaning
A part of a tree that grows out from the trunk; a division of an organization or subject.
Example
The company opened a new branch in Dhaka.
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 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 /bɪˈtreɪ/

betray

Meaning
to be disloyal to; to reveal secrets
Example
He felt betrayed by his closest friend.
C2 noun /ˌbuː.ɡənˈvɪl.i.ə/

Bougainvillea

Meaning
a tropical climbing plant with colorful bracts surrounding small flowers
Example
The bougainvillea climbing over the garden wall creates a beautiful purple display.
C2 verb /bɪˈhuːv/

behoove

Meaning
to be necessary, proper, or appropriate for someone to do
Example
It would behoove you to study before the exam.
C1 noun /bɪz/

Biz

Meaning
business (informal); commercial enterprise or activity
Example
He's been in the restaurant biz for twenty years.
B2 noun /ˈbɒtəni/

botany

Meaning
the scientific study of plants
Example
She is studying botany at the university.
C2 adjective /ˈbuːtləs/

bootless

Meaning
Useless or futile; of no benefit.
Example
His bootless attempt to fix the machine only wasted time.
B1 verb /bliːd/

bleed

Meaning
to lose blood from the body, especially due to injury
Example
She began to bleed from the cut on her arm.
B1 verb /bʌmp/

bump

Meaning
To hit something or someone by accident; to knock against something.
Example
He accidentally bumped into the door.
C1 adjective /bəˈlɪdʒ.ər.ənt/

belligerent

Meaning
Hostile and aggressive, ready to fight or argue.
Example
His belligerent attitude often leads to conflicts.
C2 verb /beɪt/

bate

Meaning
to lessen or restrain; to diminish the force or intensity of something
Example
He spoke with bated breath as he waited for the result.
B2 noun /broʊtʃ/

brooch

Meaning
a decorative jewelry pin that is attached to clothing
Example
She wore a beautiful silver brooch on her jacket.
C1 adjective /ˈbaɪtɪŋ/

Biting

Meaning
extremely cold; sharply critical or harsh
Example
The biting cold made everyone shiver.
C1 noun /ˈblɛm.ɪʃ/

blemish

Meaning
A small mark or flaw that spoils the appearance of something.
Example
The mirror had a small blemish on the surface.
C1 noun /bɪˈtreɪər/

Betrayer

Meaning
a person who betrays someone or something; one who is disloyal
Example
The betrayer was exposed and faced severe consequences.
C2 noun /bɪsk/

bisque

Meaning
A rich, creamy soup made from shellfish.
Example
We ordered lobster bisque at the restaurant.
B2 adjective /ˈbɪtər/

Bitter

Meaning
having a sharp, pungent taste; feeling or showing anger and disappointment
Example
The medicine had a bitter taste.
A1 verb /bɪˈkʌm/

become

Meaning
to grow to be; to come to be
Example
She became a doctor after years of study.
C2 verb /breɪ/

bray

Meaning
To make a loud, harsh sound like a donkey.
Example
The donkey began to bray loudly in the field.
C1 verb, noun /ˈbʌsəl/

bustle

Meaning
to move in an energetic or noisy manner; busy activity in a place
Example
The marketplace bustled with vendors and customers.
C1 noun /ˈbærɪstər/

barrister

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.
C1 verb /ˈblækən/

blacken

Meaning
to make something black or darker; to stain, soil, or tarnish
Example
Smoke from the fire began to blacken the walls.
C2 verb /ˈbæstərdaɪz/

bastardize

Meaning
to corrupt or debase something by altering it from its original form; to change in a way that reduces quality or purity
Example
Critics argue that the remake bastardized the original novel.
C2 noun /buːb/

boob

Meaning
a foolish or clumsy person; an informal and sometimes rude term for a woman's breast
Example
He felt like a complete boob after forgetting the meeting.
C2 noun, verb /ˈbɛvəl/

bevel

Meaning
A sloping edge or surface; to cut or shape an edge at an angle.
Example
The carpenter beveled the edges of the table.
C2 adjective /ˈbɛərˌfeɪst/

barefaced

Meaning
shameless and undisguised; openly bold or unashamed
Example
He told a barefaced lie in front of everyone.
C2 noun /ˈbed.ləm/

Bedlam

Meaning
a scene of noisy confusion; chaos and disorder
Example
The classroom was complete bedlam after the fire alarm.
B1 adverb /ˈber.li/

Barely

Meaning
scarcely; only just; almost not
Example
I barely passed the exam.
C1 noun/verb /brʊk/

brook

Meaning
As a noun: a small natural stream; As a verb: to tolerate or endure something
Example
The village was built near a clear brook.
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.
B1 noun /brif/

Brief

Meaning
a concise statement of the facts; a set of instructions given to a person about a job or task
Example
The lawyer received a detailed brief about the upcoming court case.
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.
C1 verb /bɪˈɡɛt/

beget

Meaning
to bring about or give rise to; to father or produce
Example
Violence begets more violence.
A1 noun /bɪt/

Bit

Meaning
a small piece or quantity of something; a short time or distance
Example
Can you wait a bit longer for me?
B2 adjective /bɪˈkʌmɪŋ/

becoming

Meaning
attractive, suitable, or flattering to the wearer or situation
Example
That dress is very becoming on her.
A1 noun, verb /baɪk/

bike

Meaning
a bicycle or motorcycle; to ride a bicycle
Example
He biked to school every day.
B1 noun /bɪˈheɪ.vjər/

Behaviour

Meaning
the way a person or animal acts or conducts themselves
Example
His behaviour at the meeting was very professional.
C1 noun, verb /buːz/

booze

Meaning
alcoholic drink, especially strong liquor; to drink alcohol, often excessively
Example
They bought some booze for the party.
B2 adjective /beər/

Bare

Meaning
naked; uncovered; empty; minimal
Example
The bare walls of the room needed some decoration.
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.
C2 noun /ˈboʊsən/

boatswain

Meaning
a ship's officer in charge of equipment and the crew
Example
The boatswain supervised the sailors on deck.
C1 adjective /bɪˈrɛft/

bereft

Meaning
Deprived of or lacking something, especially a nonmaterial asset.
Example
After the betrayal, he felt bereft of hope and trust.
A1 noun /bæɡ/

bag

Meaning
a container made of flexible material, used for carrying items
Example
She carried her books in a bag.
B1 noun /bend/

Bend

Meaning
a curved or angled part of something; a turning point in a road or river
Example
There is a sharp bend in the river ahead.
B1 noun /baɪˈɒlədʒi/

biology

Meaning
The scientific study of living organisms.
Example
Biology explains how plants and animals function.
A1 adjective /ˈbɔːrɪŋ/

boring

Meaning
not interesting or exciting; dull.
Example
The lecture was so boring that several students fell asleep.
C1 verb /bɒmˈbɑːrd/

bombard

Meaning
to attack continuously with bombs, questions, or other forces
Example
Reporters bombarded the minister with difficult questions.
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.
C1 noun /brɛdθ/

breadth

Meaning
The distance or measurement from side to side; width; a wide range.
Example
The breadth of his knowledge impressed everyone.
C1 noun /bʊk ˈbaɪn.dər/

Book binder

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.
C2 verb /bɪˈfɪt/

befit

Meaning
to be suitable for; to be appropriate to
Example
Formal attire befits the seriousness of the occasion.
A2 noun /ˈbʌtərflaɪ/

butterfly

Meaning
an insect with large, often brightly colored wings that flies during the day
Example
A beautiful butterfly landed on the flower.
C2 verb /ˈbætn/

batten

Meaning
To fasten or secure something tightly.
Example
They battened down the hatches before the storm.
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.
B1 verb /braʊz/

browse

Meaning
To look at or skim through casually, especially online or in a store
Example
She likes to browse books in the library.
C2 verb /bɪˈstruː/

bestrew

Meaning
To scatter or cover something with objects or substances.
Example
The ground was bestrewn with autumn leaves.
A1 adverb /bɪˈhaɪnd/

Behind

Meaning
at the back of; following; lagging
Example
The car behind us was honking.
A2 verb /ˈbɑroʊ/

borrow

Meaning
to take temporarily with intention to return; to take on loan
Example
Can I borrow your pen for a moment?
A2 noun /bɪɡ boʊl/

Big bowl

Meaning
a large, round, shallow container used for serving food, mixing ingredients, or washing
Example
She mixed the ingredients in a big bowl.
B1 noun /bʊl/

bull

Meaning
a male animal of the cattle family; sometimes refers to a strong or aggressive man
Example
The bull charged across the field towards the red flag.
B1 noun /broʊˈʃʊr/

brochure

Meaning
a small booklet or pamphlet containing information or advertising
Example
The travel agent gave us a brochure about the holiday package.
B1 verb /baʊns/

bounce

Meaning
to spring back after hitting something; to rebound.
Example
The ball bounced off the wall and hit the window.
C2 noun /bɑːrd/

bard

Meaning
a poet, traditionally one reciting epics and associated with oral traditions
Example
Shakespeare is often called the Bard of Avon.
A2 verb /ˈbɒðər/

bother

Meaning
to annoy, worry, or cause trouble to someone
Example
I don't want to bother you while you're working.
C1 noun /ˈbɪtər ɡɔːrd/

Bitter Gourd

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.
C2 verb /ˈblækˌbɔːl/

blackball

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.
C1 noun /bəˈbuːn/

Baboon

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.
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 verb /blɛnd/

blend

Meaning
to mix things together smoothly; to combine harmoniously
Example
She blends the ingredients carefully.
B1 verb /ˈberi/

bury

Meaning
to put in the ground; to hide; to cover completely
Example
The dog buries its bone in the yard.
C1 noun /ˈbɛərnəs/

bareness

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.
C2 noun /ˈbrɪtɪˌsɪzəm/

briticism

Meaning
a word, phrase, or characteristic feature of British English
Example
The word 'lorry' is a well-known Briticism.
B2 noun /beɪ/

Bay

Meaning
a broad inlet of the sea where the land curves inward
Example
The boats are anchored in the bay.
C2 noun /ˈbʌɡəˌbuː/

bugaboo

Meaning
An object of fear or worry; an imagined cause of anxiety.
Example
The threat of inflation became a political bugaboo.
C2 noun /bænˈdænə/

bandanna

Meaning
A large, often brightly colored handkerchief, typically worn on the head or around the neck.
Example
He tied a red bandanna around his neck.
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.
C2 noun /ˌbræɡəˈdoʊʃioʊ/

braggadocio

Meaning
boastful or arrogant behavior; empty boasting
Example
His endless braggadocio annoyed everyone at the party.
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 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 /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 adverb /ˈbəʊld.li/

Boldly

Meaning
in a confident and brave way; without fear
Example
She boldly stepped forward to face the challenge.
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 noun, verb /bluːm/

bloom

Meaning
to produce flowers; to develop or flourish; a flower or the state of flowering
Example
The roses bloom beautifully every spring.
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.
C2 noun /ˈbɒdɪs/

bodice

Meaning
the part of a woman's dress that covers the body from the neck to the waist
Example
She wore a dress with an embroidered bodice.
C2 adjective /ˈbrɔːni/

brawny

Meaning
Physically strong and muscular.
Example
The brawny man lifted the heavy box with ease.
C1 verb /blɛər/

blare

Meaning
to make a loud, harsh sound
Example
The car horns blared all night.
C2 adjective /ˈbrɪndl̩d/

brindled

Meaning
Having a brownish or tawny color with streaks or spots of another color.
Example
The farmer owned a brindled cow with distinctive stripes.
C2 noun /ˌbaɪ.oʊ.rɪˌmiː.diˈeɪ.ʃən/

bioremediation

Meaning
The use of living organisms to neutralize or remove environmental contaminants.
Example
Bioremediation helps remove toxins from polluted soil.
C2 noun /ˈblʌfər/

bluffer

Meaning
a person who pretends to be more confident, skilled, or knowledgeable than they really are; someone who deceives others by bluffing
Example
Everyone eventually realized that he was just a bluffer with no real experience.
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.
C2 noun /broʊɡ/

brogue

Meaning
A strong outdoor shoe; also a marked accent, especially Irish or Scottish.
Example
He bought a pair of stylish brogues for the wedding.
C1 noun /bɜːrθ/

Berth

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.
B2 adjective /ˌben.ɪˈfɪʃ.əl/

beneficial

Meaning
Resulting in good; favorable or advantageous.
Example
Eye rubbing can be beneficial in moderation.
C2 verb /bɪˈliːɡər/

beleaguer

Meaning
to cause difficulties, troubles, or harassment; to surround with military forces
Example
The company was beleaguered by constant complaints from its customers.
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.
C2 noun /ˈbɔːl.səm ˈæp.əl/

Balsam apple

Meaning
a bitter gourd vegetable with a bumpy green skin, also known as bitter melon
Example
Balsam apple is cooked with spices to reduce its bitter taste.
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.
C2 noun /ˈbɑːr.kəˌroʊl/

barcarole

Meaning
a traditional Venetian boat song, often in 6/8 time
Example
The orchestra played a beautiful barcarole that reminded me of Venice.
C2 noun /ˈbɜːrɡər/

burgher

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.
A2 noun /ˈbʊkɪŋ/

booking

Meaning
the act of reserving accommodations, tickets, etc.
Example
I made a booking for a hotel room in advance.
C2 noun /ˈbɜːrsər/

bursar

Meaning
An official in a school or college responsible for financial affairs.
Example
The bursar approved the budget for the new library.
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.
C2 adjective /ˈbɔːlki/

balky

Meaning
difficult, uncooperative, or stubborn
Example
The balky printer refused to work when needed most.
C2 verb /bɪˈkɑːm/

becalm

Meaning
to make calm or still; to deprive a sailing vessel of wind
Example
The captain tried to becalm the anxious crew.
B1 noun /ˈbɔr.dər/

Border

Meaning
a line separating two political or geographical areas, especially countries
Example
They crossed the border between France and Spain by train.