| mercurial(adjective, unstable, irregular, unsettled, unpredictable) |
| mutable(adjective, upset, uncertain, anxious, unstable) |
| variable(adjective, upset, uncertain, anxious, unstable) |
| flickering(verb, adjective, irregular, shaky, changeable) |
| hesitating(verb, adjective, weak, uncertain, shy) |
| hesitation(noun, delay, difficulty, anxiety, weakness) |
| unreliable(adjective, uncertain, true, nervous, unstable) |
| vacillant(adjective, shy, doubtful, hesitant, diffident) |
| wobbling(noun, verb, adjective, upset, uncertain) |
| changeful(adjective, upset, anxious, unstable, dishonest) |
| changing(adjective, action, upset, act, movement) |
| shifting(adjective, upset, anxious, unstable, irregular) |
| unsteadiness(noun, change, anxiety, weakness, doubt) |
| vague(adjective, open, nervous, doubtful, unsettled) |
| volatile(adjective, unstable, irregular, unsettled, hesitant) |
| weak(adjective, strong, delicate, uncertain, nervous) |
| wishy-washy(adjective, dull, open, weak, uncertain) |
| quivering(noun, verb, adjective, excited, shaky) |
| doubtful(adjective, open, weak, uncertain, nervous) |
| fitful(adjective, unstable, doubtful, unsettled, vague) |