- bear witness to, bear testimony
- binocular
- binomial
- backdate
- biodiversity
- biofertilizer
- biogeny
- bear with
- bear up
- black money
- bear the costs
- blessing
- blight
- bear oneself
- bear down on
- blind well
- beam and column joint
- bloodhound
- beachgoers
- beach buggy
- be worthy of merit
- blow-dry
- boatmens
- bob's your uncle
- bodement
- be unsure of oneself
- bodied
- boiled and dried
- boiserie
- bold face
- backfill
- bollard
- be too sharp for
- backgammon
- boobyish
- book keeping
- book of the chronicles
- buffoon
- booking
- bookish
- booze
- bop
- backwards
- border security force
- be swarming with
- born in purple
- bottle
- bottle something up
- backyard
- boulevard
- bouncy
- bound by duty
- bowdlerize
- bowl someone over
- be slaver
- boy
- brake
- brash
- bread
- breadline
- break away
- be peopled with
- be past master
- breakable
- breakdown
- breakneck
- be on the fiddle
- briefing
- brigade
- brigand
- bright sky
- brilliant man
- be of no use
- bacteriology
- be mistaken
- bring to the verge of
- broken reed
- broken rice
- broken-down
- bromance
- bromidrosis
- bronchia
- bronchitis
- bronze
- broody
- buffet
- bad debt
- brush oneself down
- brush someone off
- brush upon
- brush-off
- brushy
- bucolic
- budge
- budge up, budge over
- budgerigar
- badger
- be in a pickle
- bulimy
- bulkiness