- blow one's cool
- be in the offing
- be in the same class as
- bundle of fun
- be of consequence
- bonfire
- be concerned with
- be teeming with
- better than
- become motionless
- become misty
- bursa
- be vile
- become lighter
- become evident
- beat-pounding
- be worthy of
- beautification
- be uplifted
- be trumpeted
- by the dozen
- belittling
- bad manners
- be put on ice
- be purulent
- be at a loss
- be polite
- bum steer
- be naughty
- be supine
- be a picture of
- be obtrusive
- be on the lookout for
- beleaguer
- bonne bouche
- bone-tired
- be produced
- be promoted
- Bolshevist
- be scattered about
- be struck down by
- be stuck
- boo
- botcher
- be unsure
- be up and about
- be wary
- be well
- be consistent
- bear hug
- be incorrect
- booby trap
- building society
- bugs
- bondstone
- beatnik
- blunted
- blow one's own horn
- be rubber-stamped
- be ashamed
- broadcast details of
- be analogous to
- bowels
- become stale
- brief on
- be a tower of strength to
- bromide
- being in cahoots
- befuddlement
- be broadcast
- be in a state
- be bubbly
- bursting with health
- boar
- barm
- beyond remedy
- billowy
- blank out
- bogged down
- back out
- burn oneself out
- be perched
- be ecstatic
- bite the dust
- be in a reverie
- bulldog spirit
- blub
- bine
- become worn
- bolt-hole
- become calmer
- be ostensibly
- books
- bookworm
- be in a huff
- boss someone around
- be in the vanguard
- be on a level with
- be intemperate
- bread and butter