| unfixed(adjective, unstable, doubtful, unsettled, vague) |
| unsubstantial(false, ill, insane, unhealthy, frail) |
| wayward(adjective, irregular, unpredictable, changeable, variable) |
| whimsical(adjective, unstable, irregular, unsettled, dubious) |
| wishy-washy(adjective, uncertain, nervous, unstable, hesitant) |
| wobbly(adjective, false, uncertain, nervous, unstable) |
| delusive(adjective, wrong, false, true, dishonest) |
| dicky(adjective, insecure, treacherous, incalculable) |
| disputable(adjective, uncertainty, uncertain, doubtful, dubious) |
| errant(adjective, wrong, deviant) |
| erroneous(adjective, wrong, false, true, ill) |
| fake(adjective, false, true, dishonest, deceitful) |
| fanciful(adjective, unpredictable, changeable, variable) |
| fast and loose(expression, adjective, idiom, insecure, treacherous) |
| faulty(adjective, weak, wrong, false, ill) |
| giddy(adjective, careless, excited, immoral, thoughtless) |
| hollow(adjective, smooth, false, true, deceitful) |
| implausible(adjective, true, unpredictable, fickle, variable) |
| inauthentic |
| incalculable(adjective, insecure, treacherous) |