| beleaguered | Besieged; surrounded by military forces | |
| beguile | To charm or enchant someone, often in a deceptive way | |
| bedlam | A scene of uproar and confusion | |
| becalm | To make calm or still; to soothe | |
| beatify | To declare a deceased person to be among the blessed and thus worthy of public religious veneration, especially in the Roman Catholic Church | |
| beatific | Experiencing or bestowing celestial joy or bliss | |
| baying | The sound that a dog, especially a hound, makes when it howls or barks loudly | |
| bauble | A small, showy trinket or decoration | |
| battery | A device consisting of one or more electrochemical cells with external connections for powering electrical devices | |
| base | The lowest part or edge of something, especially the part on which it rests or is supported | |