- be as nice as pie
- blow-upon
- bleary
- blow-hole
- bawl someone out
- boustrophedon
- burnish
- burka
- biorhythm
- blue stone
- behavioristic
- beseem
- bill of lading
- biofuel
- blue-complexioned woman
- bufe
- bedtime
- bodice
- brewer
- big stick
- begged
- broken man
- betake
- by one
- bituminize
- breast-fed
- book club
- bawdry
- baton
- blend
- blended with
- blow something up
- bachelor girl
- bacillary
- back benchers
- back charge
- blow something out
- belle
- bathe
- batchmates
- bastinado
- bashful
- blossom
- bacteria
- bacterioid
- bactrian camel
- bad antecendents
- bad at
- bad deal
- blendstock
- burning mountain
- blook
- believe
- basement
- base qualities
- bootstrap
- bad way
- bloodthirsty
- baggage-car
- base metal
- bah
- bail
- bas-relief
- bless
- bait
- bake
- baked cake
- baleful
- balk
- ballistics
- blithe
- banana republic
- bandage
- bark of trees
- bandolier
- bandwagon
- bloodstain
- bloc
- benzole
- blockage
- bariatric
- bargepole
- banns
- bargee
- bantam
- banyan
- baptismal water
- barge
- barbarity
- bargain for, bargin on
- blackcumin
- brain trust
- by a nose
- by hand
- breast plate
- byte
- build on
- burgundy
- brachytherapy
- bilocation