- broken
- breeze
- breath-control
- bombyx mori
- break something up
- break someone in
- break one's heart
- bravado
- brat
- bonhomie
- brainless
- braid
- brahmany goose
- booby
- brahma
- boogers
- brahaspathi
- book
- bow-string
- book mark
- book-learned
- bow the knee
- bookmaker
- bookpost
- boom truck
- boost
- bow out
- bovine
- boot strapping
- booth
- bovarism
- bootleg
- bout
- boozer
- borax
- bouquet
- borderland
- bounty
- bordetella pertussis
- bore
- boundless
- bandolier
- borewell
- bottle fed
- bottle gourd
- bother
- boulder
- bounce
- botch
- bandwagon
- bowel
- bower
- boss
- box something in, box someone in
- boxer
- boxing
- boyar
- bosom
- boyfriend
- bps
- bracelet
- bracing
- brackish
- brackish land
- brackishness
- bolt
- bradycardia
- braggart
- brainwash
- bold
- bramble bush
- boistrous
- boiling rice
- blunt
- broil
- broadcast
- bringing down
- blunder
- bluegrass
- blow-upon
- bread-fruit
- breadth
- blow-hole
- break
- breakaway
- blow something up
- blow something out
- blossom
- bring someone down
- blook
- breakwater
- breast movement
- bloodthirsty
- brevity
- bloodstain
- bring short
- bless
- bridge
- blendstock
- blended with