| freakish(unpredictable, changeable, variable) |
| frivolous(adjective, excited, vague, changeable, fearful) |
| furtive(adjective, true, unpredictable, fickle, variable) |
| hairy(adjective, delicate, uncertain, unstable, doubtful) |
| hesitant(adjective, uncertain, nervous, unstable, doubtful) |
| illusory(adjective, false, lying, misleading) |
| incongruous(adjective, false, ill, insane, unhealthy) |
| incorrect(adjective, wrong, false, ill, sick) |
| ineffectual(adjective, uncertain, nervous, unstable, useless) |
| insubstantial(adjective, false, loose, unstable, ill) |
| lying(adjective, smooth, false, dishonest, deceitful) |
| malleable(adjective, fickle) |
| misleading(adjective, wrong, false, dishonest, deceitful) |
| mistaken(adjective, wrong, false, true, improper) |
| moot(adjective, uncertain, doubtful, dubious, unsure) |
| occasional(uneven, variable, erratic, random, haphazard) |
| permutable(adjective, unstable, unsettled, fickle, variable) |
| pliable(adjective, fickle) |
| pliant(adjective, fickle) |
| quicksilver(changeable, indecisive, inconsistent) |