| shilly-shallying |
| spineless(adjective, weak, gentle, uncertain, nervous) |
| vague(adjective, uncertain, nervous, doubtful, unsettled) |
| changing(verb, adjective, weak, uncertain, doubtful) |
| fitful(adjective, unstable, doubtful, unsettled, vague) |
| impulsive(adjective, unstable, irregular, unsettled, unpredictable) |
| inconsistent(adjective, weak, uncertain, unstable, irregular) |
| problematic(adjective, uncertain, nervous, doubtful, insecure) |
| tottering(verb, adjective, weak, unstable, unsettled) |
| undetermined(adjective, weak, uncertain, doubtful, unsettled) |
| unpredictable(adjective, uncertain, unstable, shy, irregular) |
| vacillate |
| varying(verb, adjective, unstable, irregular, unsettled) |
| vibrating(verb, adjective, hesitant, wavering, indecisive) |
| wobbling(verb, adjective, oscillating) |
| changeful(adjective, unstable, irregular, unsettled, unpredictable) |
| enigmatic |
| giddy(adjective, silly, impulsive, uneven, unbalanced) |
| irresponsible(adjective, silly, unstable, unsettled, unpredictable) |
| shifty(adjective, weak, uncertain, sensitive, doubtful) |