| doubting(adjective, weak, uncertain, shy, doubtful) |
| eccentric |
| fearful(adjective, weak, soft, shy, pathetic) |
| flitting |
| fluid(adjective, uncertain, unstable, unsettled, vague) |
| freakish |
| hesitate(fear, irresolution) |
| impotent(adjective, weak, uncertain, nervous, unstable) |
| infirm of purpose(expression, adjective, idiom, irresolution) |
| moody |
| namby-pamby(adjective, weak, feeble, tasteless, mediocre) |
| on the fence(adjective, undecided) |
| precarious(adjective, doubtful, vague, changeable, unsure) |
| shrinking(adjective, nervous, shy, fearful) |
| timorous(adjective, gentle, uncertain, modest, nervous) |
| uninterested(adjective, unfaithful, disloyal) |
| vagrant(unstable, unsettled, variable, erratic, frivolous) |
| varying(adjective, unstable, irregular, unsettled, unpredictable) |
| vicissitudinous(adjective, changeable) |
| whimsical(adjective, unstable, unsettled, changeable, variable) |