| cantankerous(adjective, irritable, touchy, cranky, snappy) |
| crabby(adjective, irritable, touchy, cranky, snappy) |
| cranky(adjective, irritable, touchy, snappy, quick-tempered) |
| crotchety(adjective, irritable, touchy, cranky, snappy) |
| easily provoked(expression, adjective, volatile, impetuous, quick-tempered) |
| excitable(adjective, volatile, impetuous, quick-tempered) |
| explosive(adjective, volatile, impetuous, quick-tempered) |
| fiery(adjective, volatile, cranky, impetuous, snappy) |
| grouchy(adjective, irritable, touchy, cranky, snappy) |
| hasty(volatile, impetuous) |
| hot-blooded(adjective, cranky, snappy) |
| hot-tempered(adjective, volatile, cranky, impetuous, snappy) |
| hotblooded(cranky, snappy) |
| hotheaded(volatile, impetuous) |
| ill-tempered(adjective, irritable, touchy, cranky, snappy) |
| impatient(adjective, irritable, touchy, volatile, cranky) |
| impetuous(adjective, volatile, quick-tempered) |
| impulsive(volatile, impetuous) |
| incautious(volatile, impetuous) |
| irascible(adjective, volatile, cranky, impetuous, snappy) |