| harebrained(careless, wild, silly, crazy, thoughtless) |
| harum-scarum(adjective, careful) |
| headstrong(adjective, passionate, careless, wild, cruel) |
| huffish |
| huffy(adjective, difficult, irritable, turbulent, belligerent) |
| improvident(adjective, careless, wild, careful, bold) |
| mad(adjective, cruel, vicious, brutal, rash) |
| moody(adjective, irritable, touchy, irascible) |
| petulant(adjective, difficult, passionate, unstable, irritable) |
| precipitous(impulsive, rash, reckless, unthinking, hasty) |
| quarrelsome(adjective, difficult, irritable, disagreeable, volatile) |
| quick |
| short |
| slapdash(adjective, careful) |
| snappish |
| spunky |
| stormy(adjective, mean, violent, furious, fiery) |
| tempestuous(adjective, mean, difficult, violent, irritable) |
| unthinking(adjective, careless, bold, thoughtless, impulsive) |
| unwary(careless, thoughtless, impulsive, rash, reckless) |