| unsteady(adjective, unstable, unsettled, unpredictable, unreliable) |
| urgent(adjective, extreme, quick, speedy, sudden) |
| brittle(adjective, excitable) |
| changeful(adjective, careless, unstable, unreasonable, irregular) |
| choleric(adjective, intense, violent, hot, fierce) |
| daring(adjective, careless, thoughtless, rash, reckless) |
| dynamic |
| dynamical |
| enthusiastic(adjective, moving, intense, violent, hot) |
| foolish(adjective, careless, silly, crazy, thoughtless) |
| forced(unwilling, obligatory, compulsory) |
| fragile(adjective, excitable) |
| frivolous(adjective, silly, crazy, unreliable, changeable) |
| giddy(unpredictable, unreliable, changeable, erratic, unsteady) |
| headstrong(adjective, mean, violent, careless, wild) |
| hot-tempered(adjective, intense, hot, restless, fiery) |
| hurried(adjective, unusual, violent, careless, quick) |
| ill-judged(adjective, careless, foolish, bold, thoughtless) |
| impatient(adjective, careless, nervous, quick, emotional) |
| impelling |