- Babbling
- Backbiting
- Backward
- Bad
- Bad-mannered
- Baffling
- Banal
- Barbaric
- Barefaced
- Bashful
- Battered
- Beastly
- Belittling
- Belligerent
- Bellicose
- Berserk
- Biased
- Big-headed
- Bigoted
- Biting
- Bitter
- Blameworthy
- Bland
- Blasphemous
- Blatant
- Bleak
- Blind
- Blissless
- Bloated
- Bloodcurdling
- Bloodthirsty
- Bloody
- Blotchy
- Blubbering
- Blundering
- Blunt
- Blurry
- Boastful
- Boisterous
- Bombastic
- Bone-chilling
- Boneheaded
- Boorish
- Boring
- Bossy
- Bothered
- Bothersome
- Bouncy (in an annoying way)
- Braggart
- Brainless
- Brash
- Bratty
- Brazen
- Breakable
- Brittle
- Broken
- Brooding
- Brutal
- Brutish
- Buggy
- Bulky
- Bullheaded
- Bumptious
- Bungling
- Burdensome
- Bureaucratic
- Burnt-out
- Busted
- Busybody
- Buzzing
