| spotty(adjective, continue, irregular, same, blotchy) |
| undecided(adjective, doubtful, vague, hesitant, dubious) |
| undirected(adjective, irregular, unpredictable, unreliable, deviation) |
| unfixed(adjective, doubtful, vague, changeable, questionable) |
| unmethodical(adjective, careless, casual, random, haphazard) |
| unnatural(adjective, unusual, wild, strange, crazy) |
| vagrant(unstable, unsettled, deviation, ambiguous, frivolous) |
| varying(adjective, unstable, irregular, unsettled, unpredictable) |
| circuitous(adjective, deviation, ambiguous, rambling, incidental) |
| cranky(adjective, usual) |
| demented(adjective, unusual, wild, strange, silly) |
| different(adjective, odd, bizarre, outlandish, nonconforming) |
| disorderly |
| dubious(adjective, weak, unusual, strange, loose) |
| exceptional(adjective, odd, bizarre, outlandish, nonconforming) |
| flaky(adjective, informal, careless, silly, mad) |
| fleeting(adjective, impulsive, unpredictable, capricious, explosive) |
| fly-by-night(adjective, loose, unpredictable, unreliable, fickle) |
| fugitive(adjective, impulsive, unpredictable, transient, explosive) |
| funny(adjective, extraordinary, unusual, wild, strange) |