122 Nouns That Start With "B"
122 curated nouns that start with "B".
Below are 122 nouns that start with "B" in our curated English dictionary. Each entry includes a learner-friendly definition, IPA pronunciation, CEFR difficulty level, and example sentences. Words are sorted by frequency — the most common first. Click any word to view its full dictionary entry with synonyms, collocations, and common mistakes.
Most Common Nouns That Start With "B" (Top 1k)
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Bag /bæɡ/noun A1
A container you use to carry or store things, made of soft material with handles or an opening.
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Bar /bɑːr/noun A2
A place where you buy drinks and socialize with people; or a solid piece of something like metal or chocolate.
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Base /beɪs/noun A1
The lowest or bottom part that something rests on or stands on.
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Bat /bæt/noun A1
A small animal that flies at night. Bats have wings covered with skin and usually eat insects.
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Bed /bɛd/noun A1
Furniture you sleep on at night; has a mattress, pillows, and sheets.
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Bird /bɜːrd/noun A1
A living creature with feathers, wings, and a beak that can fly.
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Birth /bɜːrθ/noun A1
When a baby comes out of the mother's body and is born.
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Birthday /ˈbɜːrθdeɪ/noun A1
The day each year when you celebrate being born.
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Book /bʊk/noun A1
A written work with pages bound together that you can read.
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Both /bəʊθ/noun A1
Referring to two things at the same time, not just one or the other.
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Box /bɑːks/noun A1
A rectangular container, typically made of cardboard, wood, or plastic, used for storing or carrying items.
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Boy /bɔɪ/noun A1
A male child or young man, typically from birth until teenage years or early adulthood.
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Break /breɪk/noun A1
A short time when you stop working or doing something to rest.
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Breakfast /ˈbrekfəst/noun A1
The meal you eat in the morning when you wake up.
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Brother /ˈbrʌðər/noun A1
Your brother is a boy or man who shares the same parents as you.
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Brush /brʌʃ/noun A1
A brush is a tool with bristles that you use for cleaning, painting, or combing hair.
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Bubble /ˈbʌbəl/noun A1
A bubble is a round ball of air or gas trapped inside liquid.
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Bus /bʌs/noun A1
A big vehicle that takes many people from one place to another, usually on regular routes.
Less Common Nouns That Start With "B" (Top 5k+)
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Baby /ˈbeɪbi/noun A1
A very young child who cannot walk or talk yet, usually between birth and two years old.
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Ball /bɔːl/noun A1
A round object you throw, kick, or hit in sports and games.
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Band /bænd/noun A1
A group of people who play music together, or a thin circular piece of material.
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Bank /bæŋk/noun A1
A place where you keep your money safely and borrow money when needed.
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Bark /bɑːrk/noun A2
The rough protective layer covering the outside of tree trunks; or the loud sharp sound a dog makes.
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Basis /ˈbeɪsɪs/noun B1
The main reason, principle, or foundation that something is built or decided on.
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Bath /bɑːθ/noun A1
A tub filled with water where you sit and wash your body.
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Bathroom /ˈbɑːθruːm/noun A1
A room in a house where you wash and use the toilet.
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Battery /ˈbætəri/noun A2
An object that provides power to things like phones, flashlights, and toys.
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Battle /ˈbætəl/noun B1
A large fight between two armies or groups using weapons.
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Beach /biːtʃ/noun A1
the sandy or rocky area next to the ocean where people swim and relax
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Bear /beər/noun A2
a large furry animal that lives in forests or mountains; eats meat and plants
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Beef /biːf/noun B1
Meat that comes from a cow, commonly eaten as steak, burgers, or in stews.
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Beer /bɪr/noun A1
An alcoholic drink made from grain that people drink socially; usually served cold.
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Bell /bɛl/noun A1
A ringing object made of metal that makes a sound when it's hit or moved.
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Belt /bɛlt/noun A1
A strip of fabric or leather worn around your waist to hold up pants or for style.
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Bench /bɛntʃ/noun A1
A long seat where two or more people can sit together.
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Benefit /ˈbenɪfɪt/noun B2
A good thing you get or receive from doing something or having something.
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Bike /baɪk/noun A1
A vehicle with two wheels that you ride by pedaling or that has an engine to make it move
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Bill /bɪl/noun A1
A piece of paper showing how much money you must pay for something you bought or used, or a proposed law being considered by government
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Block /blɒk/noun B1
a thick, solid piece of something like wood or stone; also a section of city streets enclosed by roads.
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Blood /blʌd/noun A1
the red liquid inside your body that carries oxygen and nutrients to all parts.
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Board /bɔːrd/noun A1
a piece of wood or hard material shaped like a flat rectangle, used for many purposes
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Boat /boʊt/noun A1
a small ship or vessel for traveling on water, usually carrying people or goods
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Body /ˈbɑːdi/noun A1
the whole physical form of a person or animal, including head, arms, legs, and torso
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Bomb /bɑːm/noun A2
An explosive device that is set off to destroy things or cause harm.
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Bone /boʊn/noun A1
A hard white part inside the body that supports and protects organs.
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Bonus /ˈboʊnəs/noun B1
Additional pay or reward that someone receives beyond their regular salary.
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Boom /buːm/noun B2
A time when the economy is growing fast, businesses are doing well, and people have jobs and money to spend.
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Boot /buːt/noun A2
A sturdy shoe that reaches above the ankle, often worn in cold weather or for work.
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Boss /bɒs/noun A2
Someone who is in charge of a workplace or organization and gives orders to workers.
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Bowl /boʊl/noun A1
A round, deep container used for eating soup, cereal, or other food.
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Brain /breɪn/noun A1
The organ in your head that lets you think and remember things.
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Bread /brɛd/noun A1
A food made from flour and water that is baked in an oven.
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Brick /brɪk/noun A1
A hard rectangular block used to build walls and buildings.
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Budget /ˈbʌdʒɪt/noun A2
A budget is a plan that shows what money you will spend and earn.
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Bull /bʊl/noun A1
A large male farm animal with horns that is used in agriculture and meat production.
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Bunch /bʌntʃ/noun A2
Several things of the same kind tied or grouped together, or a group of people who spend time together.
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Backlog /ˈbækˌlɔɡ/noun B2
A pile of work you still need to do. The longer the backlog, the more work is waiting to be finished.
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Baggage /ˈbæɡɪdʒ/noun B1
Suitcases, bags, and other belongings you carry on trips.
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Bakery /ˈbeɪkəri/noun A2
A store where bakers make and sell fresh bread, cakes, and pastries. You can buy baked goods there or sometimes watch bakers work.
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Balance /ˈbæləns/noun B1
When two things are equal in weight or amount, or the money left in your bank account or wallet.
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Banana /bəˈnɑːnə/noun A1
A yellow fruit that grows in bunches, popular snack you peel before eating.
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Bankruptcy /ˈbæŋkrəptsi/noun B2
The legal state when someone or a company owes so much money that they can't pay it back. The court takes over to handle the debt situation.
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Basket /ˈbɑːskɪt/noun A1
A container woven from strips of material like straw, wicker, or plastic.
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Batter /ˈbætər/noun B1
A wet, pourable mixture that you use to make cakes, pancakes, waffles, or to coat food before cooking.
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Beauty /ˈbjuːti/noun A2
The quality that makes something look attractive or pleasant.
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Bedroom /ˈbɛdruːm/noun A1
A room where people sleep; usually has a bed, windows, and storage for clothes.
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Bee /biː/noun A2
An insect with yellow and black stripes that makes honey and lives in groups.
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Behavior /bɪˈheɪvjər/noun A2
The actions or conduct of a person or animal, especially in response to their environment.
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Belief /bɪˈliːf/noun B1
Something you think is true or think will happen, whether based on facts or on feelings.
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Bias /ˈbaɪəs/noun C1
A preference or leaning toward something, often unfair. A tendency to judge or support something before knowing the facts.
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Bicycle /ˈbaɪsɪkəl/noun A1
A bicycle is a two-wheeled vehicle that moves forward when you push the pedals with your feet.
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Billion /ˈbɪljən/noun B1
A very large number equal to 1,000 million. In modern usage, it means 1,000,000,000 in both American and British English.
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Biodiversity /ˌbaɪ.oʊ.daɪˈvɜː.sə.ti/noun B1
The different kinds of plants and animals that live together in one place.
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Biology /baɪˈɒlədʒi/noun B1
The science that studies living things such as animals, plants, and cells, and how they work and interact
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Blanket /ˈblæŋkɪt/noun A2
a thick cloth used to keep warm in bed or on a sofa.
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Blockchain /ˈblɑkˌtʃeɪn/noun B2
A digital record-keeping system where transactions are stored in connected blocks across many computers, making it nearly impossible to alter past records or cheat the system.
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Bluetooth /ˈbluːtuːθ/noun B1
A wireless system that lets phones, headphones, and other devices talk to each other without cables.
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Border /ˈbɔːrdər/noun A2
A line that marks the edge where one country or region ends and another begins.
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Bottle /ˈbɒtəl/noun A1
A glass or plastic container used to hold drinks, perfume, or other liquids.
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Bottom /ˈbɒtəm/noun A1
The lowest surface or level of an object, container, or place.
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Brake /breɪk/noun A1
A system that stops or slows down a car, bike, or machine.
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Branch /bræntʃ/noun A1
A part of a tree that grows out from the trunk and has leaves.
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Breast /brest/noun B1
One of two body parts on the front of the chest that women have and that can produce milk to feed babies.
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Breath /brɛθ/noun A1
The air you take in and push out of your body through your nose or mouth.
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Bridge /brɪdʒ/noun A1
A structure that allows people and vehicles to cross over water, valleys, or roads.
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Brokerage /ˈbroʊkərɪdʒ/noun C1
A company or service that buys and sells stocks, bonds, and other investments for customers. The fee or commission a broker charges is also called brokerage.
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Broth /brɔːθ/noun B1
A hot, savory liquid made by boiling meat or vegetables in water.
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Buffalo /ˈbʌf.ə.loʊ/noun B1
Huge animal with curved horns living in African and Asian grasslands.
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Building /ˈbɪldɪŋ/noun A1
A structure made by humans that has walls and a roof and is used for living, work, or other purposes.
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Bullet /ˈbʊlɪt/noun A2
A small metal object shaped like a small cylinder that is fired from a gun to hurt or kill someone or something.
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Bunny /ˈbʌni/noun A1
A soft furry animal with long ears that hops on its back legs and eats vegetables and grass.
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Burglary /ˈbɜːɡləri/noun B1
When someone breaks into a house or building to steal things or commit a crime. It's different from robbery, which uses force against a person.
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Business /ˈbɪznəs/noun B1
A company or organization that makes money by selling products or providing services to customers.
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Butcher /ˈbʊtʃər/noun A2
A person who works in a meat shop, cutting and selling meat for customers. A butcher shop is also called a 'butcher's'.
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Butter /ˈbʌtər/noun A1
A soft fat made from milk that you spread on toast or use in baking and cooking
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Button /ˈbʌtən/noun A1
A small piece sewn on clothes to keep them closed, or something you press to turn something on or off
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Backend /ˈbækend/noun B2
The hidden part of a website or app that stores data and does the heavy computing work; users never see it directly.
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Background /ˈbækɡraʊnd/noun B1
Things you see in the back of a picture or photo, or the past experiences that shape a person.
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Balance-sheet /ˈbælənsˌʃit/noun C1
A financial report that shows what a company owns (assets), what it owes (liabilities), and what the owners have invested (equity) at a specific date.
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Bandwidth /ˈbændwɪdθ/noun B2
The speed and capacity of your internet connection; how much data can flow through it at once.
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Bar chart /bɑːr tʃɑːrt/noun B1
A type of graph with horizontal or vertical bars used to compare different groups or items.
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Bargain /ˈbɑːrɡɪn/noun B1
A product or item that costs much less money than normal, making it a good purchase.
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Bed bug /bɛd bʌɡ/noun B2
A tiny, flat insect that lives in beds and bites sleeping people to drink their blood.
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Beginning /bɪˈɡɪnɪŋ/noun A1
The first part or moment when something starts to happen or exist.
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Benchmark /ˈbenʃmɑːrk/noun B2
A standard level you use to compare something. For example, if the average salary in your industry is $50,000, that's a benchmark for your own salary.
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Biome /ˈbaɪoʊm/noun C1
A large area of Earth with its own climate, plants, and animals that live together naturally. Examples include rainforests, deserts, and tundras.
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Biosphere /ˈbaɪoʊsfɪr/noun C1
All the parts of Earth where life exists, including the air, water, soil, and living things. It is the living world as a whole.
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Bisexual /baɪˈsɛkʃuəl/noun B2
someone who is attracted to and may have romantic relationships with both men and women
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Bison /ˈbaɪ.sən/noun B1
Big animal like a cow with a hump, living wild in North American plains.
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Blueprint /ˈbluːprɪnt/noun C1
A detailed plan or design that shows exactly how something should be made or built. Also used for any comprehensive plan.
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Bobcat /ˈbɑːbkæt/noun B1
A medium-sized wild cat with a very short tail and brown spotted fur. Bobcats hunt small animals.
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Bond /bɑːnd/noun B2
A close connection or link between people. Also, a type of investment where you lend money to a company or government and they promise to pay you back with interest.
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Boyfriend /ˈbɔɪfrɛnd/noun A1
A man you have a romantic relationship with.
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Brand /brænd/noun B1
A company's name or symbol that makes its products recognizable and different from other companies. Examples: Apple, Nike, Coca-Cola.
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Breakthrough /ˈbreɪkθruː/noun B2
A big sudden success or important discovery that changes everything. When you finally solve a very difficult problem.
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Briefing /ˈbriːfɪŋ/noun B2
A meeting where someone gives important information or instructions to employees or team members quickly and efficiently.
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Browser /ˈbraʊzər/noun B2
A program like Chrome or Firefox that you use to open and view websites on your computer or phone.
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Bug /bʌɡ/noun B2
A mistake in a computer program that makes it work incorrectly.
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Bureaucracy /bjuˈrɑːkrəsi/noun C1
A complex system of rules, procedures, and officials that is often slow and difficult to navigate. Red tape and paperwork.
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Bust /bʌst/noun C1
A time when the economy is shrinking, businesses are struggling, people lose jobs, and spending decreases.
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Ballad /ˈbæləd/noun C2
A song or poem that tells a story, often about adventure, love, or tragedy, usually with a repeated chorus and set to music.
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Burlesque /bɜːrˈlesk/noun C2
A funny or ridiculous imitation of something serious; a work that makes fun of something by exaggerating it.
How to Use Nouns That Start With "B"
Nouns that start with "B" can act as the subject, object, or complement of a sentence. Pay attention to whether each noun is countable or uncountable — countable nouns take "a/an" and have plural forms (cat → cats), while uncountable nouns (water, advice) do not. The CEFR badge on each card tells you when learners typically meet the word; A1-A2 nouns are essential for everyday conversations, B1-B2 are common in news and writing, and C1-C2 nouns appear in academic and specialised texts.
Longest Noun That Start With "B"
A financial report that shows what a company owns (assets), what it owes (liabilities), and what the owners have invested (equity) at a specific date.
Frequently Asked Questions About Nouns That Start With "B"
- How many nouns that start with "B"?
- Our curated dictionary lists 122 nouns that start with "B", each with a definition, IPA, CEFR level, and example sentences. The list grows as new entries are reviewed.
- What are the most common nouns that start with "B"?
- Some of the most frequent nouns that start with "B" include BAG, BAR, BASE, BAT, BED. These appear in everyday English and are useful for both beginners (A1-A2) and intermediate learners.
- What is noun?
- A noun is a word for a person, place, thing, idea, or quality. Nouns are the building blocks of every sentence and act as subjects, objects, or complements.
- What is the longest noun that start with "B"?
- The longest noun that start with "B" in our dictionary is "BALANCE-SHEET" (13 letters). Tap the word to see its full entry.