- baa
- babble
- babblemouth
- babbler
- babbling
- babe
- babe in the woods
- babe in woods
- babel
- babied
- babies
- babler
- baboon
- baboosh
- babouche
- babushka
- baby
- baby bed
- baby blue
- baby blues
- baby boom
- baby buck
- baby buggy
- baby carriage
- baby doe
- baby elephant
- baby grand
- baby grand piano
- baby powder
- baby tooth
- baby-kisser
- baby-sit
- baby-sitter
- babyhood
- babying
- babyish
- babyishness
- babylike
- babyminding
- babysat
- babysitting
- baccalaureate
- bacchanal
- bacchanalia
- bacchanalian
- bacchanals
- bacchant
- bachelor
- bachelor girl
- bachelor party
- bachelor's degree
- bacilli
- bacillus
- back
- back alley
- back and fill
- back and forth
- back answer
- back at you
- back away
- back burner
- back cloth
- back country
- back door
- back down
- back end
- back entrance
- back forty
- back kick
- back lot
- back matter
- back nine
- back number
- back o' beyond
- back of
- back of beyond
- back off
- back out
- back out of
- back payment
- back road
- back roads
- back rub
- back scratcher/back-scratcher/backscratcher
- back scratching
- back seat
- back side
- back stairs
- back street
- back talk
- back to front
- back to the salt mines
- back to the wall
- back together
- back up
- back way
- back when
- back wrong horse
- back yard
- back-fence talk
- back-handed compliment
- back-pedal
- back-scratch
- back-slapping
- back-stabber
- back-to-back
- back-water
- backbite
- backbiter
- backbiting
- backbone
- backbreaker
- backbreaking
- backbreaking work
- backcap
- backchat
- backcountry
- backdate
- backdoor
- backdoor trots
- backdown
- backdrop
- backed
- backed off
- backed out
- backed up
- backer
- backfire
- backflow
- background
- background material
- background meeting
- background music
- backgrounds
- backhanded
- backhanded compliment
- backhoe
- backing
- backing down
- backing off
- backing out
- backland
- backlash
- backlog
- backpack
- backpack nuke
- backpacker
- backpacking
- backpedal
- backpedaling
- backroom
- backs up
- backseat driver
- backseat driving
- backset
- backside
- backslapper
- backslide
- backslider
- backsliding
- backstab
- backstabbed
- backstabber
- backstabbing
- backstage
- backstairs
- backstitching
- backstop
- backstreet
- backsword
- backtalk
- backtrack
- backtracking
- backup
- backward
- backward and forward
- backward-looking
- backwardness
- backwards
- backwards and forwards
- backwash
- backwater
- backwoods
- backwoods person
- backwoodsman
- backwoodsperson
- backwoodswoman
- backyard
- bacon
- bacon and eggs
- bacteria
- bactericidal
- bactericide
- bacteriological warfare
- bacterium
- bad
- bad actor
- bad advice
- bad attitude
- bad blood
- bad break
- bad breath
- bad charge
- bad check
- bad chemistry
- bad conscience
- bad currency
- bad deal
- bad debt
- bad deed
- bad ear
- bad egg
- bad experience
- bad eye
- bad faith
- bad feeling
- bad form
- bad fortune
- bad guy
- bad habit
- bad humor
- bad influence
- bad information
- bad job
- bad language
- bad lot
- bad luck
- bad manners
- bad mark
- bad money
- bad mood
- bad move
- bad name
- bad news
- bad odor
- bad off
- bad omen
- bad opinion
- bad part
- bad patch
- bad period
- bad person
- bad press
- bad rap
- bad scene
- bad thing
- bad time
- bad times
- bad tip
- bad trip
- bad turn
- bad vibes
- bad wheel
- bad will
- bad word
- bad-humored
- bad-looking
- bad-mannered
- bad-mouth
- bad-mouthing
- bad-natured
- bad-smelling
- bad-tempered
- badass
- badder
- baddest
- baddie
- baddy
- bade
- badge
- badge of infamy
- badge of loyalty
- badger
- badgered
- badgerer
- badgering
- badinage
- badland
- badlands
- badly
- badly behaved
- badly dressed
- badly groomed
- badly off
- badly timed
- badly worn
- badness
- baffle
- baffled
- bafflement
- baffling
- bag
- bag and baggage
- bag it
- bag lady
- bag lunch
- bag of bones
- bag of tricks
- bag of waters
- bag of wind