16,450 Words That Start With "B"
16,450 words that start with "B" in our 199K-word dictionary.
Browse the complete list of 16,450 English words starting with "B". Each word in the grid below shows its IPA pronunciation, CEFR difficulty level (A1 beginner up to C2 mastery), and a one-line plain-English definition. Click any word to open its full dictionary entry. Use the filters to narrow by length, part of speech, or learner level.
Most Common Words That Start With "B" (Top 1k)
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Back /bæk/adj A1
At the rear end or opposite side from the front of something.
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Bad /bæd/adj A1
Not good; having negative qualities or causing harm or unhappiness.
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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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Basic /ˈbeɪsɪk/adj A2
Simple and essential, with nothing fancy or extra added.
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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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Be /biː/verb A1
to exist as a person, thing, or quality; shows what something is or how it is
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Bed /bɛd/noun A1
Furniture you sleep on at night; has a mattress, pillows, and sheets.
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Bet /bɛt/verb A2
You put money on something you think will happen, hoping to win more money if you are right.
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Big /bɪɡ/adj A1
Something that takes up a lot of space or has great importance compared to other things
Less Common Words 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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Bake /beɪk/verb B1
Heat food slowly and evenly inside a closed oven until cooked.
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Ball /bɔːl/noun A1
A round object you throw, kick, or hit in sports and games.
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Ban /bæn/verb B1
To officially say something is not allowed. Authority stops an action or activity.
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Banal /bəˈnɑːl/adj C1
So common or overused that it is no longer interesting.
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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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Bare /bɛər/adj B1
Without clothes or covering; empty or having very little on it.
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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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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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Beat /biːt/verb A2
To hit something many times, or to defeat someone in a game or contest.
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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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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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Begin /bɪˈɡɪn/verb A1
To start something; to make something start; to commence an action or event.
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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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Below /bɪˈloʊ/prep A1
Under something; at a lower level or position.
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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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Best /bɛst/adj A1
Better than all others; of the highest quality.
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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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Bike /baɪk/noun A1
A vehicle with two wheels that you ride by pedaling or that has an engine to make it move
564 More Words That Start With "B" (definitions coming soon)
Words That Start With "B" by Length
2 Letter Words That Start With "B" (19)
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Be /biː/verb A1
to exist as a person, thing, or quality; shows what something is or how it is
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By /baɪ/prep A1
Near something or someone; or showing who does the action in a passive sentence; can also mean beside or next to
See all 19 2-letter words that start with "B" →
3 Letter Words That Start With "B" (94)
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Bad /bæd/adj A1
Not good; having negative qualities or causing harm or unhappiness.
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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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Ban /bæn/verb B1
To officially say something is not allowed. Authority stops an action or activity.
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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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Bat /bæt/noun A1
A small animal that flies at night. Bats have wings covered with skin and usually eat insects.
See all 94 3-letter words that start with "B" →
4 Letter Words That Start With "B" (410)
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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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Back /bæk/adj A1
At the rear end or opposite side from the front of something.
See all 410 4-letter words that start with "B" →
5 Letter Words That Start With "B" (1,023)
See all 1,023 5-letter words that start with "B" →
6 Letter Words That Start With "B" (1,808)
See all 1,808 6-letter words that start with "B" →
7 Letter Words That Start With "B" (2,645)
See all 2,645 7-letter words that start with "B" →
8 Letter Words That Start With "B" (2,958)
See all 2,958 8-letter words that start with "B" →
9 Letter Words That Start With "B" (2,647)
See all 2,647 9-letter words that start with "B" →
10 Letter Words That Start With "B" (1,945)
See all 1,945 10-letter words that start with "B" →
11 Letter Words That Start With "B" (1,362)
See all 1,362 11-letter words that start with "B" →
12 Letter Words That Start With "B" (768)
See all 768 12-letter words that start with "B" →
13 Letter Words That Start With "B" (426)
See all 426 13-letter words that start with "B" →
14 Letter Words That Start With "B" (216)
See all 216 14-letter words that start with "B" →
15 Letter Words That Start With "B" (129)
Words That Start With "B" by Part of Speech
Nouns That Start With "B" (122)
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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.
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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.
See all 122 nouns that start with "B" →
Verbs That Start With "B" (37)
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Be /biː/verb A1
to exist as a person, thing, or quality; shows what something is or how it is
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Bet /bɛt/verb A2
You put money on something you think will happen, hoping to win more money if you are right.
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Bite /baɪt/verb A1
To use your teeth to cut into something.
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Buy /baɪ/verb A1
To give money to get something you want; to purchase something at a store or from someone
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Beat /biːt/verb A2
To hit something many times, or to defeat someone in a game or contest.
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Begin /bɪˈɡɪn/verb A1
To start something; to make something start; to commence an action or event.
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Blame /bleɪm/verb B1
to hold someone responsible for something wrong or bad that happened.
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Boil /bɔɪl/verb A1
To heat water or liquid until it reaches its boiling point and starts to bubble.
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Bring /brɪŋ/verb A1
To carry or deliver something from one place to another person.
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Build /bɪld/verb A1
To make something by putting pieces or materials together in an organized way.
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Burn /bɜːrn/verb A2
When something catches fire and is destroyed, or when heat or flames damage something.
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Burst /bɜːrst/verb A2
When something suddenly breaks open or explodes, or when you break something open forcefully.
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Bake /beɪk/verb B1
Heat food slowly and evenly inside a closed oven until cooked.
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Become /bɪˈkʌm/verb A2
To change and start to be something different; to grow or develop into.
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Behave /bɪˈheɪv/verb A2
To act in a certain way or show a particular type of conduct.
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Believe /bɪˈliːv/verb A2
To think something is true; to have faith in someone or something.
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Belong /bɪˈlɔːŋ/verb A1
To be part of a group, community, or place; to be owned by someone; to fit in.
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Borne /bɔːn/verb B1
Carried, supported, or endured something over time.
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Borrow /ˈbɑːroʊ/verb A2
To use something that belongs to another person for a period of time, then give it back.
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Bother /ˈbɒðə/verb B1
To make someone feel annoyed or to cause them trouble or discomfort.
See all 37 verbs that start with "B" →
Adjectives That Start With "B" (33)
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Back /bæk/adj A1
At the rear end or opposite side from the front of something.
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Bad /bæd/adj A1
Not good; having negative qualities or causing harm or unhappiness.
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Basic /ˈbeɪsɪk/adj A2
Simple and essential, with nothing fancy or extra added.
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Big /bɪɡ/adj A1
Something that takes up a lot of space or has great importance compared to other things
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Black /blæk/adj A1
The darkest color; the opposite of white.
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Brown /braʊn/adj A1
Brown is a dark colour you see in earth, wood, and chocolate.
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Bare /bɛər/adj B1
Without clothes or covering; empty or having very little on it.
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Best /bɛst/adj A1
Better than all others; of the highest quality.
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Blind /blaɪnd/adj B1
not able to see because the eyes don't work properly.
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Blue /bluː/adj A1
the color between green and violet on the spectrum, like the sky or sea
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Born /bɔːrn/adj A1
When you are born, you come into the world; it describes your beginning of life or origin.
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Brave /breɪv/adj A2
Not afraid to do something difficult or dangerous; having courage.
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Brief /briːf/adj A2
Short in length or time; not lasting very long.
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Broad /brɔːd/adj A2
Wide or covering a large area; not narrow.
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Busy /ˈbɪzi/adj A1
When you have a lot of things to do and not much free time available.
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Belated /bɪˈleɪtɪd/adj B2
Late or delayed. Used for wishes, greetings, or apologies that come after the right moment.
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Better /ˈbɛtər/adj A1
When something is better, it is more good or more useful than another thing.
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Blond /blɒnd/adj A1
Having light or golden colored hair.
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Blonde /blɒnd/adj A1
Having light or golden colored hair; feminine spelling in American English.
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Boring /ˈbɔːrɪŋ/adj A2
Something that is not fun or interesting; it does not hold your attention.
See all 33 adjectives that start with "B" →
Adverbs That Start With "B" (1)
How to Use Words That Start With "B"
Scrabble and Word Games
In Scrabble and Words With Friends, words starting with "B" can be valuable when you need to play through an existing tile on the board. Higher-tier letters like J, Q, X, and Z multiply your score quickly when stacked on bonus squares — scan the list below for short words that contain them. Two and three-letter words starting with "B" are especially useful for parallel plays where you build along an existing word and earn points for every adjacent tile.
Crossword Puzzles
For crossword puzzles, the most useful entries are mid-length common words — 5 to 8 letters — that fit standard grid patterns. Filter the list by length to match the cells in your clue. Pay attention to the CEFR level: clues from mainstream newspapers favour B1–B2 vocabulary, while themed and cryptic puzzles draw on rarer C1 and C2 words. The IPA shown on each card also helps confirm a guess — a clue marked "two syllables" should match a word with a simple stress pattern.
Creative Writing and Poetry
Writers and poets often look for groups of words starting with "B" to build alliteration, rhythm, or near-rhymes. Sort the list by length, scan the rare and C1+ words for fresh imagery, and use the linked dictionary entries to confirm connotation before you commit. The plain-English definitions are intentionally short so you can scan dozens of options without losing flow.
Longest Word That Start With "B"
Frequently Asked Questions About Words That Start With "B"
- How many words starting with "B"?
- There are 16,450 words starting with "B" in our 199,000-word English dictionary. The list ranges from common everyday words to rarer specialised vocabulary.
- What is the longest word starting with "B"?
- The longest word starting with "B" in our list is "BACCHANALIANISM" — 15 letters long. Tap the word to see its full definition.
- Are these words valid in Scrabble?
- Most of the words in this list are valid in Scrabble and similar word games (we cross-reference standard tournament dictionaries). A handful of proper nouns and very rare technical terms may not be — when in doubt, double-check with the official Scrabble dictionary used in your league.
- How many 5-letter words starting with "B"?
- 1,023 5-letter words starting with "B" — useful for Wordle, daily puzzles, and short crosswords. Filter by length above to see only 5-letter results.