| vacillating(adjective, uncertain, shy, doubtful, hesitant) |
| Delphic(uncertain, self-doubting, unconfident) |
| anxious(uncertain, self-doubting, unconfident) |
| apprehensive(uncertain, self-doubting, unconfident) |
| choked(uncertain, self-doubting, unconfident) |
| doubtful(uncertain, shy, hesitant, cautious, tentative) |
| hanging by thread(expression, idiom, uncertain, self-doubting, unconfident) |
| insecure(uncertain, self-doubting, unconfident) |
| jumpy(uncertain, self-doubting, unconfident) |
| on thin ice(expression, idiom, uncertain, self-doubting, unconfident) |
| questioning(uncertain, self-doubting, unconfident) |
| self-doubting(uncertain, unconfident) |
| shaky(uncertain, self-doubting, unconfident) |
| touch and go(expression, idiom, uncertain, self-doubting, unconfident) |
| touchy(uncertain, self-doubting, unconfident) |
| troubled(uncertain, self-doubting, unconfident) |
| unassured(uncertain, self-doubting, unconfident) |
| uncertain(adjective, shy, doubtful, cautious, diffident) |
| unconfident(uncertain, self-doubting) |
| unpoised(uncertain, self-doubting, unconfident) |