| fierce(adjective, upset, intense, passionate, violent) |
| hasty(adjective, upset, difficult, sensitive, turbulent) |
| highly-strung |
| hotheaded(adjective, difficult, passionate, sensitive, unstable) |
| impetuous(adjective, upset, moving, intense, passionate) |
| impulsive(adjective, upset, moving, intense, violent) |
| intolerant(adjective, upset, nervous, sensitive, emotional) |
| on edge(expression, adjective, upset, anxious, crazy) |
| prickly(adjective, nervous, sensitive, irritable, tense) |
| quarrelsome(adjective, difficult, lively, sensitive, disagreeable) |
| rash(adjective, upset, nervous, emotional, volatile) |
| reckless(adjective, upset, nervous, emotional, volatile) |
| short-tempered(adjective, volatile, fiery, temperamental) |
| snappish(adjective, anxious, worried, tense) |
| susceptible(adjective, upset, moving, nervous, sensitive) |
| tense(adjective, upset, anxious, crazy, nervous) |
| violent(adjective, upset, difficult, intense, passionate) |
| volcanic(adjective, upset, nervous, emotional, volatile) |
| agitated(adjective, upset, anxious, crazy, nervous) |
| bad-tempered(adjective, difficult, fiery, turbulent, belligerent) |