| A | B |
| beleaguer | verb; to besiege or surround with troops; to harass |
| beneficent | adjective; kind; charitable; doing good |
| bestow | verb; to confer or present as a gif or honor; |
| betrothed | adjective or noun; engaged to be married; a person who is engaged to be married |
| bilateral | adjective; having two sides (often symmetrical); undertaken by and affecting two sides equally; mutually binding |
| blithe | adjective; happy; carefree; joyful |
| bolster | noun or verb; a long, narrow pillow; anything used as a support; to prop up, support, or reinforce |
| brevity | noun; briefness of duration; shortness |
| browbeat | verb; to frighten with a stern manner or harsh words; to bully |
| brunt | noun; the main shock or force of a blow or attack; the heaviest part of an accusation or attack |