| suspicious(uncertain, nervous, doubtful, hesitant, dubious) |
| timid(adjective, weak, uncertain, shy, doubtful) |
| vacillatory(adjective, uncertain, shy, doubtful, decide) |
| agnostic(uncertain, hesitant, dubious, unsure) |
| at loose ends(expression, idiom) |
| careless(adjective, motiveless) |
| cautious |
| confused(uncertain, hesitant, dubious, unsure) |
| contingent(adjective, delicate, uncertain, unstable, doubtful) |
| controvertible |
| debatable(adjective, open, uncertain, doubtful, unsettled) |
| deficient |
| dicey(adjective, delicate, uncertain, unstable, doubtful) |
| diffident(uncertain, nervous, shy, doubtful, hesitant) |
| distrustful(uncertain, nervous, doubtful, hesitant, dubious) |
| doubting(adjective, weak, uncertain, shy, doubtful) |
| faithless(adjective, uncertain, hesitant, dubious, changeable) |
| fence |
| flabby(adjective, weak, thin, delicate, shaky) |
| fleeting(adjective, capricious, motiveless) |