- BESIEGE - To surround with hostile forces, to pester.
- BESTIAL - Barbaric, like an animal.
- BESTOW - To confer.
- BETENOIRE - Thing or person that is disliked.
- BETROTH - To promise to give in marriage.
- BEVEL - A slant or inclination of a surface.
- BEVY - A company or flock ( of ladies ).
- BIBLIOPHILE - Person who collects books or is fond of books.
- BICAMERAL - Having two chambers.
- BIENNIAL - Happening once in 2 years.
- BIGOTRY - Irrational suspicion or hatred of a particular group, race or religion.
- BILIOUS - Bad-tempered, irritable.
- BILK - To cheat.
- BIVOUAC - A temporary encampment often in an unsheltered area.
- BIZZARE - Strange look.
- BLANDISHMENT - Flattery.
- BLASE - Bored, Unconcerned.
- BLASPHEMOUS - Impious.
- BLATANT - Unpleasantly loud and noisy.
- BLATHER - Chatter foolishly.

