| debatable(uncertain, doubtful, unsure) |
| dickey(adjective, unreliable, insecure, treacherous, incalculable) |
| dicky(adjective, unreliable, insecure, treacherous, incalculable) |
| diffident(uncertain, doubtful, unsure) |
| disputable(uncertain, doubtful, unsure) |
| dubitable(uncertain, doubtful, unsure) |
| error-prone(adjective, unreliable, insecure, treacherous, incalculable) |
| fairweather(adjective, unreliable, insecure, treacherous, incalculable) |
| fallible(adjective, unreliable, insecure, treacherous, incalculable) |
| far-fetched(uncertain, doubtful, unsure) |
| fast and loose(adjective, unreliable, insecure, treacherous, incalculable) |
| fishy(uncertain, doubtful, unsure) |
| hopeless(adjective, unreliable, insecure, treacherous, incalculable) |
| improbable(uncertain, doubtful, unsure) |
| indecisive(uncertain, doubtful, unsure) |
| intentionally untrue |
| leery |
| lubricious(adjective, fickle, untrustworthy, unprincipled) |
| mistrustful |
| moot(uncertain, doubtful, unsure) |