| hurried(fast, quick, rapid, excitability, brisk) |
| hysterical(adjective, nervous, emotional, restless, volatile) |
| ideal(adjective, intellectual, impractical, unreal, unattainable) |
| impatient(adjective, keen, energetic, passionate, active) |
| impetuous(fast, nervous, restless, unreliable, changeable) |
| insecure(adjective, uneven, unbalanced, unhinged) |
| irrepressible(adjective, lively, unpredictable, changeable, temperamental) |
| light(impulsive, unpredictable, explosive) |
| light of heel(expression, idiom, velocity) |
| lighthearted(adjective, lively, unpredictable, changeable, temperamental) |
| moving(uneven, motion, unbalanced, unhinged) |
| nomadic(irregular, unpredictable, unreliable, motion) |
| of two minds(expression, adjective, idiom) |
| precarious(adjective, delicate, changeable, uneven, tricky) |
| prompt(sharp, lively, fast, quick, brisk) |
| quick as lightning(expression, idiom, velocity) |
| rambling(irregular, unpredictable, unreliable) |
| reckless(nervous, emotional, restless, volatile, fiery) |
| roving(irregular, unpredictable, unreliable) |
| sensitive(adjective, weak, delicate, passionate, nervous) |