- Brachial
- Balaclava
- Botox
- Brinjal
- B
- Babalas
- Babe in the wood
- Babe in the woods
- Baby boom
- Baby farm
- Baby farmer
- Baby-carriage
- Baby-talk
- Babyish
- Bacchanal
- Bachelor girl
- Back on ones heels
- Back to normal
- Back to the drawing board
- Back-ground tune
- Backache
- Backbiter
- Backbiting
- Backbone
- Backcomb
- Backfill
- Backfire
- Backgammon
- Background history
- Backlist
- Backrest
- Backslide
- Backslider
- Backspace
- Backstab
- Backstage
- Backstop
- Backwash
- Backwoods
- Backyard
- Bacterioid
- Bad blood
- Bad debt
- Bad eye-sight
- Balustrade
- Bad hat
- Bad name
- Bad person
- Bad situation
- Badass
- Badly
- Badness
- Baggage-car
- Baggy
- Bagpipe
- Bailiff
- Bailiwick
- Baked
- Baked cake
- Bakelite
- Baker's dozen
- Balancing
- Balcony
- Baldpated
- Bale
- Baleful
- Balk
- Ball is in your court
- Ballast
- Ballerina
- Ballistic
- Balmy
- Bamboo seed
- Bamboo tube
- Bamboos
- Bamboozle
- Banana
- Banana peel
- Bananas
- Bandwagon
- Banister, bannister
- Banjo
- Bank balance
- Bank upon
- Bank-book
- Banlieue
- Banned
- Bannister
- Banqueting
- Banter
- Baptist
- Bar
- Barbarism
- Barbarous
- Barbed wire
- Barbers job
- Bard
- Bards
- Bare
- Benignant