| nasty |
| nettlesome |
| neurotic(nervous, emotional, restless, volatile, fiery) |
| obnoxious(adjective, person, negative, angry) |
| off-tempered(adjective, negative) |
| on pins and needles(expression, adjective, idiom, keen, violent) |
| on the outs(expression, idiom, nasty, determined, hostile) |
| out of sorts(expression, idiom, irritable, ugly, crabby) |
| overzealous(nervous, emotional, restless, volatile, fiery) |
| perfervid(intense, passionate, violent, hot, fierce) |
| perverse(unpleasant, irritable, disagreeable, crabby, cantankerous) |
| precipitate(adjective, intense, violent, hot, fierce) |
| ratty(irritable, ugly, volatile, fiery, crabby) |
| restless(adjective, keen, violent, anxious, nervous) |
| ripe(adjective, keen, violent, anxious, eager) |
| rusty |
| short fused(expression, nervous, emotional, restless, fiery) |
| sour |
| spirited(keen, sharp, intense, violent, lively) |
| straining(adjective, keen, violent, anxious, eager) |