| A | B |
| brusque | abrupt, blunt,curt |
| candid | frank, honest, truthful |
| delinquent | wanting, lacking, failing |
| dour | sullen, gloomy, sour |
| droll | oddly comical or amusing |
| furtive | sly, stealthy |
| lucid | clear in (and to ) the mind |
| macabre | grim, gruesome, death-haunted |
| mature | ripe, fully developed |
| nebulous | vague, hazy, indefinite |
| pensive | deeply thoughtful, wistful |
| placid | calm, serene, unruffled |
| plaintive | sad, mournful |
| plausible | appearing to be true or reasonable |
| potent | powerful, very effective |
| pungent | sharp, stinging, keen |
| rigorous | rigidly severe, exacting |
| wanton | unrestrained, wild, random |
| wary | cautious, watchful (in facing danger) |
| wily | crafty, cunning |
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