- breathe
- bow
- bound
- bombyx mori
- boiling
- boggle
- bob
- board something up, board something over
- blubber
- blowout
- bonhomie
- blameless
- bitch something up
- bilious
- boom truck
- boost
- bewail
- bete noire
- boot strapping
- booth
- beside the point
- bootleg
- beside
- bend
- born with silver spoon in the mouth
- bellicose
- botanical
- botany
- both
- botheration
- bountiulness
- belittle
- beguile
- bowdlerise
- boyfriend
- bps
- bay
- bracelet
- bracing
- brackish
- brackish land
- brackishness
- bandy
- bradycardia
- braggart
- brahminhood
- brahminy kite
- braided hair
- brain
- bypass
- brain drain
- by halves
- by chance
- buttress
- bamboo seeds
- butte
- brainstem
- brassiere
- bamboo tube
- bursts or explodes
- burst out
- brawl
- brawny
- bray
- brazen
- brb
- burrow into
- browse
- break into
- buried under
- break point
- break silence
- burial
- break something off
- break step
- burglary
- breath of fresh air
- bureacratic
- breather
- breathtaking
- burdock
- bumpy
- bump someone off
- bump
- briefly
- briefs
- bumble
- bulrush
- buffer state
- brighten
- budtender
- buddha
- broad beans
- broad
- brittle
- britannia
- bring something to light
- brink
- bring something out
- bring something back