| unsteadfast |
| wayward(adjective, contrary, unmanageable) |
| ambivalent(adjective, irresolute) |
| amorphous |
| bum(adjective, unpredictable, unreliable, rotten, variable) |
| dangerous(insecure, risky) |
| deceitful(adjective, false, dishonest, unpredictable, unreliable) |
| devil-may-care(adjective, careless, immoral, thoughtless, reckless) |
| dillydallying(adjective, irresolute) |
| disreputable(adjective, dubious, unpredictable, unreliable, fickle) |
| dizzy(excited, shaky, unreliable, changeable, fearful) |
| evasive(adjective, vague, unknown, general, unclear) |
| fair-weather(adjective, dishonest, deceitful, unreliable, insecure) |
| fanciful |
| flickering(adjective, irregular, changeable, variable) |
| frivolous(adjective, excited, unreliable, changeable, fearful) |
| hazardous(insecure, risky, dangerous) |
| indeterminate(adjective, uncertain, nervous, doubtful, vague) |
| ineffectual(adjective, uncertain, nervous, unstable, hesitant) |
| insipid(adjective, irresolute) |