| anxious(uncertain, nervous, insecure, unsure, self-doubting) |
| apprehensive(adjective, gentle, uncertain, modest, nervous) |
| arguable(uncertain, doubtful, unsure) |
| betwixt and between(expression, adjective, idiom, uncertain, nervous) |
| borderline(adjective, uncertain, nervous, doubtful, shaky) |
| chancy(uncertain, doubtful, unsure) |
| chary(adjective, modest, humble, shy, hesitant) |
| choked(uncertain, nervous, insecure, unsure, self-doubting) |
| conscious(adjective, modest, nervous, humble, hesitant) |
| debatable(uncertain, doubtful, unsure) |
| dickey(adjective, unreliable, insecure, treacherous, incalculable) |
| dicky(adjective, unreliable, insecure, treacherous, incalculable) |
| disloyal(adjective, false, dishonest, deceitful, unreliable) |
| disputable(uncertain, doubtful, unsure) |
| distrustful(adjective, uncertain, modest, nervous, humble) |
| dubitable(uncertain, doubtful, unsure) |
| equivocal(uncertain, doubtful, unsure) |
| error-prone(adjective, unreliable, insecure, treacherous, incalculable) |
| fairweather(adjective, unreliable, insecure, treacherous, incalculable) |
| fallible(adjective, unreliable, insecure, treacherous, incalculable) |