| hazy(adjective, doubtful, vague, hesitant, changeable) |
| indisposition(noun, delay, weakness, doubt, uncertainty) |
| indistinct(adjective, doubtful, vague, hesitant, changeable) |
| irregularity(noun, anxiety, weakness, uncertainty, shake) |
| moody |
| movable(adjective, unstable, unsettled, unpredictable, unreliable) |
| shake(noun, quiver, shudder, trembling, tremor) |
| shaking(noun, adjective, weak, excited, shake) |
| shimmering(verb, adjective, flickering) |
| shuddering(noun, adjective, trembling, tremor, shaking) |
| sickly(adjective, uncertain, ill, sick, feeble) |
| skeptical(adjective, uncertain, nervous, shy, dishonest) |
| soft(adjective, gentle, modest, nervous, humble) |
| spiritless(weak, nervous, shy, feeble, fearful) |
| sporadic |
| swaying(noun, verb, hesitant, changeable, indecisive) |
| swinging(noun, fluctuation, oscillation, swaying) |
| tottery(adjective, weak, unstable, unsettled, shaky) |
| unclear(adjective, open, uncertain, doubtful, hesitant) |
| unmethodical |