bioremediation
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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.
B1 noun ˈbæl.ənst daɪ.ət

balanced diet

Meaning
A diet consisting of the proper quantities and proportions of foods needed to maintain health or growth.
Example
A balanced diet is essential for maintaining good health.
A2 noun /biː/

Bee

Meaning
a flying insect that produces honey and can sting
Example
The bee collected nectar from the flower.
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 /ˈbaɪəst/

Biased

Meaning
showing prejudice for or against someone or something unfairly
Example
The judge was accused of being biased against the defendant.
B1 noun ˈbreɪvəri

bravery

Meaning
Courageous behavior or character; the quality of being brave.
Example
The bravery of our soldiers is unforgettable.
C2 noun /ˈbɪɡ.ə.mi/

bigamy

Meaning
The act of marrying one person while still legally married to another.
Example
He was charged with bigamy after his second marriage was discovered.
C2 verb /beɪst/

baste

Meaning
to pour or brush melted fat, juices, or liquid over meat during cooking to keep it moist
Example
She basted the turkey every 30 minutes to keep it juicy.
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.
C2 noun /ˌbæstərdaɪˈzeɪʃən/

bastardization

Meaning
the act of corrupting, degrading, or misrepresenting something
Example
Critics called the remake a bastardization of the original film.
C2 noun /ˌbeɪˈliː/

bailee

Meaning
a person or party who temporarily receives possession of goods or property from another under a legal agreement
Example
The bailee must take reasonable care of the goods while they are in his possession.
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.
B1 verb /bʌmp/

bump

Meaning
To hit something or someone by accident; to knock against something.
Example
He accidentally bumped into the door.
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.
C1 noun /bɒɡ/

bog

Meaning
an area of wet, spongy ground; a swamp or marsh
Example
The hikers got stuck in a bog.
C2 verb /bɪˈtəʊkən/

betoken

Meaning
to be a sign or indication of something
Example
Dark clouds betoken an approaching storm.
B1 noun /ˈbæɹɪəz/

barriers

Meaning
Something that prevents progress or access; obstacles or hindrances.
Example
Language barriers can make communication difficult.
A2 noun/verb /ˈbætəl/

battle

Meaning
A fight between armed forces or a struggle to achieve or resist something.
Example
The soldiers prepared for the final battle.
A2 verb /bit/

beat

Meaning
to strike repeatedly; to defeat; to pulsate rhythmically
Example
Our team will beat theirs in the final match.
A2 noun /ˈbiː.ɪŋ/

Being

Meaning
existence; a living creature; the state of existing
Example
Every human being deserves respect and dignity.
C1 adjective, noun /ˈbʊrʒ.wɑː/

bourgeois

Meaning
Relating to the middle class, often with materialistic values or conventional attitudes.
Example
The novel criticizes the bourgeois lifestyle of the city dwellers.
C2 noun /ˈbɪɡ.ə.mɪst/

bigamist

Meaning
A person who commits the crime of marrying someone while already married to another.
Example
The man was arrested for being a bigamist.
A2 noun /bentʃ/

Bench

Meaning
a long seat for several people, typically made of wood or stone
Example
The students sat on the bench.
B1 noun /bloʊ/

Blow

Meaning
a powerful stroke with a hand, weapon, or hard object
Example
The boxer delivered a devastating blow to his opponent.
B2 noun /ˈbaɪoʊ ˌdeɪtə/

Bio-data

Meaning
biographical data; a resume or curriculum vitae containing personal and professional information
Example
Please submit your bio-data along with the job application.
C1 verb /bɪˈstoʊ/

bestow

Meaning
To give or present something as a gift or honor.
Example
The king bestowed honors upon the brave soldiers.
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 adjective /bəˈtænɪkəl/

botanical

Meaning
relating to plants or plant life
Example
She works at the botanical garden.
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.
C1 noun /bəˈnɛv.ə.ləns/

benevolence

Meaning
The quality of being well meaning and kindly; the disposition to do good.
Example
His benevolence towards the poor earned him respect.
C2 verb /ˈbaɪfərˌkeɪt/

bifurcate

Meaning
to divide into two branches or parts
Example
The road bifurcates into two separate paths at the hill.
C1 noun /ˈbaɪoʊˌsfɪr/

Biosphere

Meaning
the regions of the surface and atmosphere of the earth occupied by living organisms
Example
Climate change is affecting the entire biosphere.
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.
A1 adjective, adverb, verb /ˈbɛtər/

better

Meaning
of a more excellent or effective type or quality; to surpass or improve
Example
He felt better after taking the medicine.
B1 noun /ˈbeɪ.kɪŋ ˈsoʊ.də/

Baking Soda

Meaning
sodium bicarbonate used in cooking and baking as a leavening agent
Example
Add a teaspoon of baking soda to make the cake fluffy.
B2 verb /bɑːrk/

bark

Meaning
to make a sharp sound like a dog; to speak angrily
Example
The dog barks at strangers.
A1 determiner/pronoun /boʊθ/

both

Meaning
referring to two people or things together
Example
Both of the children were excited about the trip.
C2 verb /bɪˈhəʊv/

behove

Meaning
British spelling of 'behoove'; to be appropriate or necessary
Example
It would behove the company to listen to its customers.
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 adverb /bɪˈniːθ/

Beneath

Meaning
under; below; underneath
Example
The treasure lies beneath the old tree.
C2 verb /bɪˈdɔːb/

bedaub

Meaning
to smear or cover with a sticky or dirty substance
Example
The children bedaubed the wall with paint.
B1 verb /baʊns/

bounce

Meaning
to spring back after hitting something; to rebound.
Example
The ball bounced off the wall and hit the window.
B1 noun /blæk ˈber.i/

Black berry

Meaning
a small dark purple or black fruit that grows on bushes
Example
We picked fresh blackberries from the garden for our pie.
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, noun, adjective /baʊnd/

bound

Meaning
To move with large strides or jumps; also refers to being tied, limited, or certain.
Example
The dog bounded across the field with joy.
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.
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.
B1 verb /briːð/

breathe

Meaning
To take air into the lungs and send it out again.
Example
It was hard to breathe in the smoky room.
B2 noun /braʊ/

brow

Meaning
the part of the face above the eyes; forehead
Example
She wiped the sweat from her brow.
C2 noun /ˈbiː.təl nʌt/

Betel-nut

Meaning
seed of the areca palm tree, often chewed as a stimulant
Example
Betel-nut is commonly chewed in many South Asian countries.
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.
C2 adjective /beɪˈkoʊniən/

baconian

Meaning
Relating to the philosopher Francis Bacon or his method of scientific reasoning.
Example
The researcher followed a Baconian approach to observation and experimentation.
B1 noun /blæk ˈpep.ər/

Black Pepper

Meaning
a hot-tasting spice made from dried peppercorns, widely used for seasoning food
Example
Season the steak with salt and freshly ground black pepper.
C2 noun /bleɪn/

Blain

Meaning
an inflammatory swelling or sore on the skin; a blister or pustule
Example
The doctor examined the blain on his arm.
C2 verb /bɪˈdræɡəl/

bedraggle

Meaning
to make something wet, dirty, and untidy by dragging it through mud or water
Example
The children came home bedraggled after playing in the rain.
C2 verb /bɪˈhuːvz/

behooves

Meaning
third person singular form of 'behoove'; means it is proper or necessary
Example
It behooves every citizen to follow the law.
C2 noun /ˈbuː.jɒ̃/

bouillon

Meaning
A clear, seasoned broth made by simmering meat, fish, or vegetables in water.
Example
She added vegetables to the bouillon for extra flavor.
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 /bɪˈlɪtl/

belittle

Meaning
To make someone or something seem less important or less valuable.
Example
He often belittled his coworkers to feel superior.
C1 verb /bɪˈhɛd/

behead

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.
B1 adverb /ˈbeɪsɪkli/

basically

Meaning
in the most important or fundamental way; essentially
Example
Basically, the project was a success despite some small issues.
A2 verb /bɜːrn/

burn

Meaning
to be on fire; to damage with fire or heat
Example
The candle will burn for several hours.
C1 noun /ˈbjuːɡəl/

Bugle

Meaning
a brass musical instrument similar to a trumpet but without valves, used especially for military calls
Example
The soldier played the bugle to signal the start of the ceremony.
C2 noun /ˈbriːtʃɪz/

Breeckes

Meaning
knee-length trousers; short pants
Example
He wore riding breeches for the equestrian event.
C2 noun /ˈbʌt.ər fɪʃ/

Butter-fish

Meaning
a small, smooth-skinned marine fish
Example
The butter-fish is popular in Bengali cuisine.
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.
C1 noun, verb /bʌldʒ/

bulge

Meaning
A swelling or protruding part; to swell outward or protrude.
Example
The bag began to bulge with too many books inside.
A2 adverb /ˈbædli/

badly

Meaning
in a way that is not good; poorly or severely
Example
He performed badly in the exam.
B1 noun /ˈblen.dər/

Blender

Meaning
an electric kitchen appliance used to mix, purée, or emulsify food and liquids
Example
She used the blender to make a delicious smoothie.
A2 verb /bɛr/

bear

Meaning
to carry; to endure; to give birth to; to support
Example
She cannot bear the pain anymore.
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.
C2 adjective /ˈbeɪnfəl/

baneful

Meaning
Causing harm, ruin, or destruction; deadly or poisonous.
Example
His baneful influence ruined the community.
C2 noun /ˈbʊljən/

bullion

Meaning
Gold or silver in bulk before being coined or made into jewelry.
Example
The bank stores gold bullion in its vaults.
C1 adjective /ˈbeɪs.ləs/

Baseless

Meaning
without foundation; groundless; unfounded
Example
The accusations against him were completely baseless.
C2 noun /ˈbrɒŋkəs/

bronchus

Meaning
either of the two main branches of the trachea that lead directly into the lungs
Example
The left bronchus carries air into the left lung.
C2 verb /ˈbætn/

batten

Meaning
To fasten or secure something tightly.
Example
They battened down the hatches before the storm.
C1 verb /bɪˈsiːdʒ/

besiege

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.
B1 noun /ˈbʌb.əl/

bubble

Meaning
a thin sphere of liquid enclosing air or gas; a temporary state of inflated value or excitement
Example
The children chased the bubbles in the air.
C1 noun /brɪˈɡeɪd/

brigade

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.
C2 verb /bruːt/

bruit

Meaning
to spread a rumor or report widely
Example
The scandal was quickly bruited about the town.
B1 phrase bɛst ˈɛf.ərt

best effort

Meaning
The maximum amount of effort or energy that someone can give.
Example
He gave his best effort to complete the task on time.
C2 noun /ˈbrɪmˌstoʊn/

brimstone

Meaning
Sulfur, especially when considered as fiery and associated with hell or divine punishment.
Example
The preacher spoke of fire and brimstone to warn the congregation.
C1 verb /brɔɪl/

broil

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.
B2 noun /ˈbærəl/

barrel

Meaning
a large cylindrical container used to hold liquids
Example
The wine was stored in a wooden barrel.
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.
C2 verb /bɪˈsmɪər/

besmear

Meaning
to smear or cover with a sticky or dirty substance; to soil
Example
His clothes were besmeared with mud.
C2 verb /bɪˈlaɪ/

belie

Meaning
To give a false impression of something; to contradict.
Example
His calm face belied his inner anxiety.
B2 verb /buːm/

boom

Meaning
to make a loud deep sound; to grow or increase rapidly
Example
The thunder boomed across the sky.
C2 noun brəˈvɑː.dəʊ

bravado

Meaning
Show of courage or confidence that is not real.
Example
His bravado masked his nervousness before the performance.
B2 noun breɪn ˈtreɪ.nɪŋ

brain-training

Meaning
Mental exercises designed to improve cognitive functions, memory retention, and overall brain performance.
Example
Regular brain-training can improve memory retention.
C2 noun /ˌbrɪɡ.əˈdɪər/

brigadier

Meaning
A military officer rank, usually commanding a brigade.
Example
The brigadier inspected the troops before the parade.
C2 verb /bɪˈleɪ/

belay

Meaning
to secure a rope by winding it around an object; to stop or cancel an order (nautical/military use)
Example
The climber asked his partner to belay the rope tightly.
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.
A2 adverb /bɪˈsaɪdz/

Besides

Meaning
in addition to; moreover; furthermore
Example
Besides being smart, he is also kind.
C1 noun /ˈblʌd.ʃed/

Bloodshed

Meaning
the killing or wounding of people, typically in large numbers during a conflict
Example
The peace treaty was signed to prevent further bloodshed.
A2 verb /bæt/

bat

Meaning
to hit with a bat; to flutter eyelids
Example
She bats her eyelashes flirtatiously.
A1 noun /bred/

Bread

Meaning
a food made from flour, water, and yeast mixed together and baked
Example
She bought fresh bread from the bakery.
B2 adjective /ˈbɪtər/

Bitter

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

bird

Meaning
a warm-blooded animal with feathers and wings that usually lays eggs and can often fly
Example
A bird was singing on the tree branch.
B1 noun ˈbaʊndəri

boundary

Meaning
A line that marks the limits of an area; a dividing line.
Example
The river marks the boundary.
A1 adjective /bluː/

Blue

Meaning
having the color of the clear sky or the sea
Example
The blue ocean stretched endlessly to the horizon.
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.
C2 adjective /bɒmˈbæstɪk/

bombastic

Meaning
using pompous or inflated language with little meaning
Example
The professor’s bombastic lecture impressed no one.
A2 verb /bet/

bet

Meaning
to risk money on the outcome of something; to be confident
Example
I bet it will rain tomorrow.
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.
C1 verb /bɪˈriːv/

bereave

Meaning
to deprive someone of a loved one through death
Example
She was bereaved of her husband last year.
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.
C2 adjective /ˈbʊərɪʃ/

boorish

Meaning
Rude, insensitive, and lacking manners or refinement.
Example
His boorish behavior ruined the dinner party.
B1 noun /bɪˈliːf/

Belief

Meaning
confidence in the truth or existence of something; trust or faith
Example
His belief in justice never wavered.
A1 noun /ˈbrek.fəst/

Breakfast

Meaning
the first meal of the day, usually eaten in the morning
Example
I had cereal and toast for breakfast this morning.
C1 adjective /ˈbʊkɪʃ/

Bookish

Meaning
studious; scholarly; devoted to reading and studying
Example
She was known for her bookish nature and love of literature.
C1 noun /ˈboʊ.ə/

Boa

Meaning
a large non-venomous snake that kills prey by constriction
Example
The boa constrictor wrapped around its prey.
B2 noun /ˈbɒmər/

Bomber

Meaning
military aircraft designed to drop bombs on targets
Example
The bomber squadron flew over the city at dawn.
C1 adjective/verb /ˈbæntərɪŋ/

bantering

Meaning
characterized by good-humored teasing or joking
Example
They had a bantering conversation at the café.
C1 noun /ˈbænɪstər/

banister

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.
C2 noun /ˈbʊlrʌʃ/

bulrush

Meaning
A tall plant with long leaves that grows in or near water, also known as a cattail.
Example
The pond was surrounded by tall bulrushes swaying in the wind.
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.
A1 adjective /blæk/

Black

Meaning
having the darkest color; the opposite of white
Example
She wore a beautiful black dress to the party.
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 verb bɪˈkwiːð

bequeath

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.
C2 verb /bɪˈsiːtʃ/

beseech

Meaning
To ask someone urgently and fervently to do something; to beg.
Example
He beseeched the judge for mercy.