- Broads
- broadsheet
- brocade
- broccoli
- brochure
- brogues
- broil
- broiler
- broke
- broken
- broken-down
- broker
- brokerage
- brolly
- bronchitis
- bronze
- bronze medal
- bronzed
- brooch
- brood
- broody
- brook
- broom
- broomstick
- Bros
- broth
- brothel
- brother
- brotherhood
- brother-in-law
- brotherly
- brought
- brow
- browbeat
- brown
- brown paper
- brown rice
- brown sugar
- Brownie
- Brownie point
- browse
- browser
- bruise
- bruised
- Brum
- Brummie
- brunch
- brunette
- brunt
- brush
- brushed
- brush-off
- brush-up
- brushwood
- brushwork
- brusque
- Brussels
- brussels sprouts
- brutal
- brutality
- brutalize
- brute
- bs
- BS
- BSc
- BSE
- BSI
- B-side
- BST
- BT
- BTA
- btu
- bubble
- bubble bath
- bubble gum
- bubblejet printer
- bubbly
- Bucharest
- buck
- bucket
- Buckingham Palace
- buckle
- Bucks
- buckshot
- buckskin
- buckteeth
- buckwheat
- bud
- Budapest
- Buddha
- Buddhism
- Buddhist
- budding
- buddy
- budge
- budgerigar
- budget
- budgetary
- budgie
- Buenos Aires
- buff
- buffalo
- buffer
- buffer state
- buffet
- buffet
- buffet car
- buffoon
- bug
- bugbear
- bugger
- buggy
- bugle
- build
- builder
- building
- building and loan association
- building block
- building contractor
- building site
- building society
- buildup
- built
- built-in
- built-up
- bulb
- bulbous
- Bulgaria
- Bulgarian
- bulge
- bulging
- bulimia
- bulk
- bulk buying
- bulky
- bull
- bull market
- bull terrier
- bulldog
- bulldog clip
- bulldoze
- bulldozer
- bullet
- bulletin
- bulletin board
- bullet-proof
- bullfight
- bullfighter
- bullfighting
- bullion
- bullish
- bullock
- bullring
- bullrush
- bull's-eye
- bullshit
- bully
- bullying
- bulrush
- bum
- bum bag
- bumblebee
- bumbling
- bumf
- bump
- bumper
- bumper-to-bumper
- bumph
- bumptious
- bumpy
- bun
- bunch
- bundle
- bundled software
- bung
- bungalow
- bunged up
- bungee jump
- bungee-jumping
- bungle
- bunion
- bunk
- bunk bed
- bunker
- bunkhouse
- bunny
- Bunsen burner
- bunting
- buoy
- buoyancy
- buoyant
- BUPA
- burden
- bureau
- bureau de change
- bureaucracy
- bureaucrat
- bureaucratic
- bureaux
- burger