| wavering(verb, adjective, weak, delicate, uncertain) |
| irresolute(adjective, weak, delicate, uncertain, nervous) |
| indecisive(adjective, weak, uncertain, nervous, unstable) |
| hesitant(adjective, weak, uncertain, nervous, unstable) |
| vacillant(adjective, doubtful, hesitant, wavering) |
| unsure(adjective, weak, uncertain, nervous, unstable) |
| capricious(adjective, weak, nervous, unstable) |
| hesitating(verb, adjective, weak, uncertain) |
| weak(adjective, delicate, uncertain, nervous, unstable) |
| ambivalent(adjective, feeble, doubtful, hesitant) |
| doubtful(adjective, weak, uncertain, nervous) |
| timid(adjective, weak, uncertain, nervous) |
| faltering(adjective, weak, delicate, uncertain, unstable) |
| shaky(adjective, weak, delicate, uncertain, nervous) |
| spineless(adjective, weak, gentle, uncertain, nervous) |
| unpredictable(adjective, uncertain, unstable, irregular) |
| tentative(adjective, weak, uncertain, nervous) |
| trembling(noun, verb, weak, nervous, unstable) |
| dawdling(verb, adjective, uncertain, doubtful) |
| doubting(verb, adjective, weak, uncertain) |