| A | B |
| quagmire | a swamp; a difficult situation that's hard to get out of |
| quail | to draw back in fear |
| qualm | doubt; uneasiness; a sudden pang of sickness or faintness |
| quandary | a state of uncertainty; a dilemma |
| qualitative | having to do with a quality |
| quantitative | capable of being expressed as, or having to do with, number or quantity |
| quarantine | isolate because or a disease |
| queasy | nauseated; uneasy |
| querulous | complaining; peevish |
| quip | a snappy response; a quick point |
| quixotic | having the same foolish, impractical, and romantic idealism as Don Quixote |
| quorum | the minimum number of people that have to be at a meeting to make the meeting official |