- bon viveur, bon vivant
- bona fide
- bonanza
- bondage
- booklet
- borage
- border
- borderline
- born in the gutter
- bottom
- bottomless
- bough
- bound
- bowl
- box
- brahaspathi
- brahma
- brahmany goose
- braid
- brainless
- brat
- bravado
- breach of promise
- break a jest
- break to pieces
- breaker
- breaking of waves
- breakthrough
- breast
- breast milk
- bridgroom
- brindle, brindled
- bring
- bring someone in
- bring something back
- bring something out
- brink
- britannia
- brittle
- broad
- broad beans
- broaden
- broadside
- broken fence
- brothel
- brother
- brother-in-law
- brother's
- brown
- brown sugar
- browny
- brutus
- bubble
- bubo
- buck up
- bucket
- bucket seat
- building
- built
- built-in
- bulb
- bulrush
- bumble
- bump
- bump someone off
- bumpy
- burdock
- bureacratic
- burglary
- burial
- buried under
- burrow into
- burst out
- bursts or explodes
- but for
- but most importantly
- butcher
- buy a pig in a poke
- buzzworthy
- by
- by jove
- by rights
- bystander
- beg
- beget
- belt
- bid
- brew
- bribe
- buckle down
- bulky
- book one
- by little
- brutally cruel
- bouffant
- breast-high
- bookie
- boat sail
- blood-coloured
- bacilliform