- bite one's tongue
- bitter gourd
- bitter ground
- bitter-ground plant
- black flax seed
- black magic
- black out
- barbecue
- black person
- black something out
- black swan
- black-lead
- banana
- blamestorming
- blameworthy
- blandiloquent
- blank cartridge
- blast
- blast-furnace
- banal
- blessed in conuubial happiness
- bamboo
- balm
- blinders
- blindfold
- blip
- ballyhoo
- bloodstain
- bloodthirsty
- blook
- ballroom
- ballot
- blossom
- blow something out
- blow something up
- blow-hole
- blow-upon
- bag
- badminton
- bluster
- blustery
- board at
- boardroom
- boastful
- boasting person
- badinage
- body
- body cavity
- bone
- bushmeat
- boor
- backronym
- boot cut
- backlist
- bas-relief
- bosom
- boss
- base metal
- botch
- bother
- boundless
- bounty
- bouquet
- bout
- back
- bovarism
- bovine
- bow out
- bow the knee
- bow-string
- breach of promise
- break a jest
- breath-control
- bacilliform
- breeze
- bright
- bright particular star
- biltong
- brilliant
- bring someone in
- bring something back
- bring something out
- bicentennial
- brink
- britannia
- brittle
- broad
- broad beans
- broken-hearted
- bronchiectasis
- brooch
- brunch
- brook
- brutus
- bubble
- bubo
- buck up
- binitarianism
- bucket
- bucket seat