| Bigot | narrow-minded, prejudiced person |
| Bilk | cheat; defraud |
| Billowing | swelling; fluttering; waving |
| Blasphemy | speech which offends religious sentiments |
| Blatant | obvious |
| Blighted | damaged; destroyed; ruined |
| Blithe | free-spirited; carefree |
| Blunderbuss | 1. ancient weapon (type of gun); 2. a clumsy person |
| Bolster | support; prop up |
| Bombast | arrogant, pompous language |
| Boorish | ill-mannered |
| Bourgeois | middle class |
| Braggart | someone who boasts |
| Brawny | muscular |
| Brevity | being brief |
| Bristle | to show irritation |
| Broach | start to discuss; approach |
| Brusque | blunt; abrupt |
| Bulwark | fortification; barricade; wall |
| Bureaucracy | officialdom |
