| Term | Definition |
| balk | To stop short and refuse to continue |
| ballast | A structure that helps to stabilize |
| beatific | Exhibiting calmness and joy; pertaining to a state of celestial happiness |
| becalm | To soothe; to halt the progress of |
| becloud | To blur or obsure; to make less visible or clear |
| bedraggle | Dilapidated; wet and limp; soiled; dirty |
| beget | To produce as an effect; to "bring about" |
| behemoth | Something gigantic in size/power; monstrous creature |
| beneficient | Relating to kindness |
| berate | To scold harshly; reprimand |
| bilious | Ill-tempered; sickly |
| blasphemious | Cursing; extremely disrespectful or inconsiderate |
| blatant | Very obvious and easily noticed, usually in an offensive, rude manner |
| blithely | Merrily; lighthearted or carefree manner |
| bombastic | Superior-sounding, but not significant at all; lofty in style |
| bovine | Relating to cows; having characteristics of a cow (sluggishness or dullness) |
| braggart | Someone who boasts in a loud but empty manner |
| broach | To mention for the very first time |
| bucolic | Rural; simple |
| burnish | To polish; make glossy or smooth |
| bursar | A treasurer or keeper of money/funds |