balloon
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A2 noun/verb /bəˈluːn/

balloon

Meaning
A small bag made of thin rubber or similar material that can be inflated with air or gas; as a verb, to expand rapidly.
Example
The children played with a red balloon at the party.
C1 noun /blæk plʌm/

Black plum

Meaning
a dark purple or black colored edible fruit with sweet and sour taste
Example
I picked some fresh black plums from the tree in our backyard.
C2 noun /bjuːt/

butte

Meaning
an isolated hill with steep sides and a flat top, common in arid regions
Example
The travelers could see a tall butte rising in the desert.
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.
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 verb/noun ˈbuːt.stræp

bootstrap

Meaning
To start and develop a business using personal resources without external funding.
Example
He bootstrapped his company with minimal resources.
A2 noun /bɔːrd/

board

Meaning
a flat, thin, rectangular piece of material such as wood; also a group of people managing an organization
Example
The board decided to increase the budget.
C1 noun /brʌnt/

brunt

Meaning
the worst part or main impact of something unpleasant
Example
The small town bore the brunt of the storm.
B2 adjective /brɪsk/

Brisk

Meaning
quick and energetic; lively; vigorous
Example
She took a brisk walk in the morning to feel energized.
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.
C2 verb /bɪˈɡaɪl/

beguile

Meaning
to charm or enchant someone, often in a deceptive way
Example
She beguiled the audience with her storytelling.
A2 adjective /breɪv/

brave

Meaning
showing courage in the face of danger or difficulty
Example
The brave firefighter rushed into the burning building.
C2 verb /blæsˈfiːm/

blaspheme

Meaning
to speak irreverently about God or sacred things
Example
He was accused of blaspheming during the heated argument.
A1 noun /bɔːl/

ball

Meaning
a round object used in games or sports
Example
The children played with a ball in the park.
C2 noun /boʊl/

boll

Meaning
The rounded seed capsule of plants such as cotton or flax.
Example
The farmer examined the cotton boll to check its quality.
C1 adjective /ˈbleɪmləs/

blameless

Meaning
innocent of wrongdoing; not deserving blame
Example
She remained calm and blameless throughout the investigation.
C2 verb /bɪˈdɛk/

bedeck

Meaning
to decorate or adorn something in a showy way
Example
The hall was bedecked with flowers for the wedding.
A1 noun /ˈbɒdi/

body

Meaning
the physical structure of a person or animal
Example
Exercise helps keep the body healthy.
C1 phrase ˌbaɪ.oʊ.daɪˈvɜː.sɪ.ti ˌprez.əˈveɪ.ʃən

biodiversity preservation

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.
A2 noun /brɛθ/

breath

Meaning
The air taken into or expelled from the lungs during breathing.
Example
He took a deep breath before speaking.
C1 noun /ˈbɛd.rɒk/

bedrock

Meaning
the solid rock layer beneath the soil; the fundamental basis of something
Example
Trust is the bedrock of a healthy relationship.
C2 verb /bɪˈlaɪ/

belie

Meaning
To give a false impression of something; to contradict.
Example
His calm face belied his inner anxiety.
C2 adjective /ˈbæti/

batty

Meaning
crazy or eccentric in behavior
Example
The old man down the street is a bit batty but harmless.
C1 noun /ˈbʊl.ək/

Bullock

Meaning
a young bull; a castrated bull used for farm work
Example
The farmer used a bullock to plow the field.
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.
B2 adjective /bliːk/

bleak

Meaning
cold, miserable, or without hope
Example
The future seemed bleak after the economic downturn.
A2 adjective /braɪt/

Bright

Meaning
giving out or reflecting much light; vivid in color
Example
The artist used bright colors in her painting.
C1 verb, noun /ˈbreɪnˌwɒʃ/

brainwash

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.
C1 verb /bɔːl/

bawl

Meaning
to shout or cry loudly
Example
The baby bawled all night, keeping everyone awake.
A1 noun /biːtʃ/

beach

Meaning
An area of sand or small stones beside the sea or a lake.
Example
They spent the day relaxing on the beach.
A1 noun /ˈbɜːrθ.deɪ/

birthday

Meaning
the anniversary of the day on which a person was born, typically celebrated annually
Example
We are planning a surprise birthday party for her.
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.
C2 verb /ˈbændi/

bandy

Meaning
To pass (words, ideas, or gossip) back and forth in a casual or argumentative way.
Example
They bandied jokes across the table.
C2 adjective /ˈbreɪsɪŋ/

bracing

Meaning
Invigorating, refreshing, or providing strength and energy.
Example
The hikers enjoyed the bracing mountain air.
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 /breɪ/

bray

Meaning
To make a loud, harsh sound like a donkey.
Example
The donkey began to bray loudly in the field.
A2 noun /ˈbʊkstɔːr/

bookstore

Meaning
a shop where books are sold
Example
She spent an entire afternoon browsing in the bookstore.
B2 adjective /ˈbruː.təl/

brutal

Meaning
extremely cruel or harsh; violent and without feeling
Example
The dictator’s rule was marked by brutal violence.
C1 noun/adjective/verb /bʌf/

buff

Meaning
A fan or enthusiast; also to polish or shine something.
Example
He is a movie buff who watches films every weekend.
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 /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.
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.
C2 noun /bəˈlɛəroʊ/

bolero

Meaning
A Spanish dance in slow triple time, or a short jacket open at the front.
Example
The dancers performed a passionate bolero at the festival.
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.
A1 preposition/adverb/conjunction /bɪˈfɔːr/

before

Meaning
At an earlier time; in front of in order or place.
Example
She arrived before the meeting started.
C1 adjective /ˈbɛndi/

bendy

Meaning
Easily curved or flexible.
Example
The bendy straw made it easier to drink from the cup.
C2 noun /ˈbræɡərt/

braggart

Meaning
a person who boasts about achievements or possessions
Example
No one liked him because he was such a braggart.
C2 noun /ˈbɑːrtərər/

barterer

Meaning
A person who trades goods or services without using money.
Example
The barterer exchanged fruits for some pottery.
A1 verb /bʌt/

but

Meaning
to hit or push with the head or horns; to strike forcefully
Example
The goat butted against the fence.
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.
C1 noun /ˌbɪbliˈɒɡrəfi/

bibliography

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.
C2 noun /ˌbrɪɡ.əˈdɪər/

brigadier

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

briticism

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

bulbous

Meaning
Bulging, round, or swollen in shape; resembling a bulb.
Example
The frog had a bulbous nose and big eyes.
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 noun /ˈbriːtʃɪz/

Breeckes

Meaning
knee-length trousers; short pants
Example
He wore riding breeches for the equestrian event.
C2 verb /bɪˈwɪtʃ/

bewitch

Meaning
to enchant or fascinate someone as if by magic
Example
The dancer's performance bewitched the audience.
C2 adjective /ˈbɪz.ən.taɪn/ or /ˈbaɪ.zənˌtiːn/

byzantine

Meaning
Extremely complicated and detailed; relating to the Byzantine Empire or its style.
Example
The new tax regulations are so byzantine that few understand them.
C1 noun /ˈbɔɪənsi/ or /ˈbuːjənsi/

buoyancy

Meaning
The ability to float in a liquid; cheerfulness and optimism.
Example
Her natural buoyancy lifted the mood of the group.
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.
B2 verb /blɛnd/

blend

Meaning
to mix things together smoothly; to combine harmoniously
Example
She blends the ingredients carefully.
A1 noun /ˈbɪldɪŋ/

building

Meaning
A structure with a roof and walls, such as a house, school, or office.
Example
The old building was renovated into a museum.
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.
B1 adverb /ˈbraɪtli/

brightly

Meaning
in a way that gives off a lot of light; in a vivid, cheerful, or intelligent manner
Example
The stars shone brightly in the clear night sky.
C2 noun /ˈbʊlwərk/

bulwark

Meaning
A strong wall or defensive structure; something that provides protection or support.
Example
The fortress walls served as a bulwark against enemy attacks.
C1 noun /ˈbaɪ.lɔː/

by-law

Meaning
A rule made by a company, organization, or local authority to control the actions of its members.
Example
The city council passed a new by-law regulating street vendors.
B2 noun /ˈbæŋ.ɡəl/

Bangle

Meaning
a rigid bracelet or anklet worn as jewelry
Example
She wore beautiful gold bangles on her wrists.
C1 adjective /ˈblaɪtɪd/

blighted

Meaning
Spoiled, damaged, or destroyed.
Example
The blighted neighborhood was abandoned by most residents.
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.
A1 verb (past participle of 'bear'), adjective /bɔːrn/

born

Meaning
To come into life; brought into existence.
Example
He was born in Dhaka in 1995.
C2 noun /boʊl/

bole

Meaning
the trunk of a tree
Example
The bole of the tree was thick and strong.
B2 noun /buːˈtiːk/

boutique

Meaning
a small shop that sells fashionable clothes or accessories
Example
She bought a beautiful dress from a boutique downtown.
B1 noun /ˈbæŋkɪŋ/

banking

Meaning
the business or services provided by a bank
Example
Online banking has made financial transactions easier.
B1 noun, verb /bʌz/

buzz

Meaning
to make a low continuous humming sound; a feeling of excitement or interest
Example
I could hear the phone buzz during the meeting.
C1 noun /ˈbeɪsbɔːrd/

baseboard

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.
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.
C2 verb /ˈblʌdʒən/

bludgeon

Meaning
to hit someone with a heavy object; to force someone into doing something
Example
The guard was bludgeoned by the attacker in the alley.
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.
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.
C2 verb /bruːt/

bruit

Meaning
to spread a rumor or report widely
Example
The scandal was quickly bruited about the town.
C1 verb /ˈbædʒər/

badger

Meaning
To repeatedly ask or annoy someone with demands or questions.
Example
The reporter kept badgering the politician with questions.
C2 noun /bəˈkuːl/

Bakul

Meaning
a fragrant white flower native to South Asia, scientifically known as Mimusops elengi
Example
The sweet fragrance of bakul flowers filled the evening air in the village.
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.
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 /ˈbɑːr.nɪ.kəl/

Barnacle

Meaning
a marine crustacean that attaches itself permanently to underwater surfaces
Example
The old ship's hull was covered with barnacles.
C1 adjective /ˌbaɪˈlæt.ər.əl/

bilateral

Meaning
An agreement or relationship between two parties that is mutual, two-sided, or reciprocal.
Example
The two countries signed a bilateral trade agreement.
C1 noun /baʊt/

Bout

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.
C1 verb /ˈbʌŋɡəl/

bungle

Meaning
To carry out a task clumsily or incompetently.
Example
He bungled the presentation and confused the audience.
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 adjective /ˈboʊvaɪn/

bovine

Meaning
relating to cattle; showing a dull or sluggish nature
Example
Her bovine expression revealed no emotions.
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 noun /ˈbloʊˌhɑrd/

blowhard

Meaning
a person who brags a lot or talks in a boastful way
Example
Everyone avoided the blowhard at the party because he wouldn't stop bragging.
C2 noun /ˈblændɪʃmənt/

blandishment

Meaning
flattering or pleasing statement or action used to persuade someone gently
Example
She used every blandishment to win his support.
B1 noun /ˈbles.ɪŋ/

Blessing

Meaning
a beneficial thing for which one is grateful; divine favor
Example
Having good health is a blessing that we should cherish.
C1 noun /baɪl/

Bile

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.
C1 noun /ˈbuːt.stræp.ɪŋ/

bootstrapping

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.
A1 adjective /bluː/

Blue

Meaning
having the color of the clear sky or the sea
Example
The blue ocean stretched endlessly to the horizon.
C1 adjective /ˈbɑːmi/

balmy

Meaning
Mild and pleasantly warm; soothing.
Example
We enjoyed a walk on a balmy summer evening.
C1 noun /bəˈrɑːʒ/

barrage

Meaning
a concentrated outpouring of questions, criticisms, or blows; a rapid, continuous attack
Example
The politician faced a barrage of tough questions from reporters.
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 /ˈboʊld.nəs/

Boldness

Meaning
willingness to take risks; confidence and courage in behavior
Example
Her boldness in confronting the problem impressed everyone.
C2 noun ˌbaɪ.oʊ.əˈveɪ.lə.bɪl.ə.ti

bioavailability

Meaning
The degree to which a substance can be absorbed and used by the body.
Example
Turmeric's bioavailability increases when consumed with black pepper.
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.
A1 adjective /bɔːrd/

bored

Meaning
feeling weary or uninterested because of lack of activity or excitement
Example
She felt bored during the long meeting.
B2 adjective /bɪˈlʌvɪd/

beloved

Meaning
dearly loved, highly regarded
Example
She was the beloved queen of the kingdom.
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 noun /bɪˈheɪvjər/

behavior

Meaning
The way in which one acts or conducts oneself, especially toward others.
Example
The teacher praised her good behavior in class.
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 verb /bɪˈtroʊð/

betroth

Meaning
To formally promise to marry someone; to engage.
Example
He was betrothed to the princess at a young age.
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.
B1 adverb /ˈbriːf.li/

Briefly

Meaning
in a short and clear way; for a short time
Example
Please explain the problem briefly.
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.
C2 adjective /ˈbɪloʊɪŋ/

billowing

Meaning
Describing something that swells or surges outward in waves or large masses.
Example
She walked through the billowing curtains.
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 noun /brɪˈtæniə/

britannia

Meaning
the personification of Britain, often shown as a woman with a helmet and shield
Example
Britannia has been a symbol of Britain since Roman times.
B1 noun /bɪərd/

Beard

Meaning
hair that grows on the chin and lower cheeks of a man's face
Example
He grew a long beard during the winter months.
B2 adjective /ˌben.ɪˈfɪʃ.əl/

beneficial

Meaning
Resulting in good; favorable or advantageous.
Example
Eye rubbing can be beneficial in moderation.
C1 noun /ˈbeɪlɪf/

bailiff

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.
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.