| sour(adjective, sullen, grumpy, crabby, moody) |
| speedy(adjective, fast, irritable, quick, rapid) |
| splenetic(adjective, short, sensitive, irritable, touchy) |
| unquiet(adjective, restless) |
| volatile(adjective, passionate, nervous, sensitive, unstable) |
| yearning(adjective, keen, enthusiastic, excited, ready) |
| breakneck(adjective, violent, fast, irritable, quick) |
| brisk(adjective, fast, quick, abrupt, speedy) |
| cantankerous(adjective, short, sensitive, irritable, angry) |
| champing at the bit(expression, adjective, idiom, concern, keen) |
| crusty(adjective, short, grumpy, bad-tempered, faultfinding) |
| displeased(adjective, negative, sullen, crabby, dissatisfied) |
| fast(adjective, violent, irritable, quick, speedy) |
| fervid(adjective, strong, keen, intense, enthusiastic) |
| fiery(adjective, passionate, careless, nervous, unstable) |
| fleet(adjective, fast, irritable, quick, speedy) |
| flying(adjective, fast, rapid, hasty, swift) |
| gnarling teeth(adjective, person, negative, angry) |
| gruff(adjective, negative, bad temper) |
| high-strung(adjective, adverb, passionate, excited, anxious) |