| flighty(unstable, changeable, temperamental) |
| fragile(adjective, excitable) |
| fretting(adjective, mean, cross, irritable, ugly) |
| frowning(unstable, changeable, temperamental) |
| growling(mean, cross, irritable, ugly, crabby) |
| highly-strung |
| hypersensitive |
| ill-humored(adjective, cross, unstable, irritable, changeable) |
| in a huff(expression, idiom, unstable, changeable, temperamental) |
| mean(cross, nervous, irritable, worried, critical) |
| mercurial(unstable, changeable, temperamental) |
| morose(adjective, mean, cross, unstable, irritable) |
| nasty(irritable, bad-tempered, tetchy, snippy) |
| nettlesome |
| obstinate(mean, difficult, cross, irritable, ugly) |
| offended(unstable, changeable, temperamental) |
| ogre(mean, cross, irritable, ugly, touchy) |
| out of sorts(expression, idiom, mean, unstable, irritable) |
| peckish(adjective, quick) |
| pertinacious(mean, cross, irritable, ugly, crabby) |