| whimsical(adjective, change, free, continue, careless) |
| desultory(adjective, irregular, disturbed, unreliable, broken) |
| fanciful(adjective, free, careless, wild, unstable) |
| impermanent(adjective, impulsive, unpredictable, explosive) |
| indefinite(adjective, careless, loose, doubtful, vague) |
| intermittent(adjective, anxious, irregular, unsettled, agitated) |
| transient(adjective, anxious, nervous, unsettled, agitated) |
| treacherous(adjective, false, unstable, dishonest, immoral) |
| unsystematic(adjective, irregular, unreliable, uneven, variable) |
| changing(adjective, upset, anxious, worried, hesitant) |
| fleeting(adjective, impulsive, unpredictable, explosive) |
| flickering(adjective, irregular, disturbed, changeable, variable) |
| freakish(adjective, change, continue, careless, unstable) |
| giddy(adjective, weak, careless, silly, uncertain) |
| short-lived(adjective, impulsive, unpredictable, explosive) |
| spasmodic(adjective, anxious, unstable, irregular, unsettled) |
| sporadic(adjective, irregular, disturbed, unreliable, uneven) |
| temperamental(adjective, change, continue, delicate, careless) |
| ticklish(adjective, upset, change, continue, difficult) |
| transitory(adjective, impulsive, unpredictable, explosive) |