- b
- b and b
- B road
- B&B
- b.
- BA
- BAA
- babble
- babe
- baboon
- baby
- baby boomer
- baby buggy
- baby carriage
- baby food
- Baby-gro®
- babyish
- baby-minder
- baby-sit
- baby-sitter
- bachelor
- Bachelor of Arts
- Bachelor of Science
- bachelor's degree
- back
- back burner
- back copy
- back door
- back issue
- back number
- back passage
- back pay
- back seat
- back street
- backache
- backbencher
- backbenches
- backbiting
- backbone
- backbreaking
- backchat
- backcloth
- backcomb
- backdate
- backdrop
- backer
- backfire
- backgammon
- background
- backhand
- backhanded
- backhander
- backing
- backing group
- backlash
- backless
- backlog
- backpack
- backpacker
- backpacking
- backpedal
- back-seat driver
- backside
- backslapping
- backslash
- backslide
- backspace
- backstage
- back-street abortion
- backstroke
- backtalk
- backtrack
- backup
- backward
- backward-looking
- backwards
- backwash
- backwater
- backwoods
- backyard
- bacon
- bacteria
- bacteriology
- bad
- bad blood
- bad cheque
- bad debt
- bad feeling
- baddy
- bade
- badge
- badger
- badly
- badly-off
- bad-mannered
- badminton
- bad-mouth
- badness
- bad-tempered
- baffle
- baffling
- bag
- bag lady
- bagel
- baggage
- baggage car
- baggage reclaim
- baggage room
- baggy
- Baghdad
- bagpipes
- bagsnatcher
- baguette
- bah
- Bahamas
- Bahrain
- Bahraini
- Bahrein
- Bahreini
- bail
- bailiff
- bait
- baize
- bake
- baked beans
- baked potato
- Bakelite®
- baker
- bakery
- baking
- baking pan
- baking powder
- baking tin
- baking tray
- balaclava
- balance
- balance of payments
- balance of power
- balance of trade
- balance sheet
- balanced
- balanced diet
- balancing act
- balcony
- bald
- bald eagle
- balding
- baldness
- bale
- Balearic Islands
- baleful
- Bali
- balk
- Balkan
- Balkans
- ball
- ball bearing
- ball boy
- ball game
- ball girl
- ball park
- ballad
- ball-and-socket joint
- ballast
- ballcock
- ballerina
- ballet
- ballet dancer
- ballistic missile
- ballistics
- balloon
- ballooning
- ballot
- ballot box
- ballot paper
- ball-park figure
- ballpoint
- ballroom
- ballroom dancing
- balls-up
- balm
- balmy
- baloney
- BALPA
- balsa
- balsam
- balsawood
- Baltic
- Baltic Republic
- Baltic State
- balustrade
- bamboo
- bamboozle
- ban
- banal
- banana
- banana republic
- banana split
- band
- band saw