| shifting(verb, adjective, unstable, irregular, unsettled) |
| staggering(verb, adjective, oscillating) |
| swaying(noun, verb, adjective, hesitant, changeable) |
| tottering(verb, adjective, oscillating, wabbling) |
| unfixed(adjective, unstable, unsettled, variable, changeableness) |
| unsystematic(adjective, irregular, erratic, random, haphazard) |
| vacillant(hesitant, wavering, indecisive) |
| whimsical(adjective, free, wild, unstable, unsettled) |
| altering(verb, adjective, changing, varying) |
| changeful(adjective, unstable, dishonest, irregular, unsettled) |
| faithless(adjective, dishonest, untrustworthy, unfaithful, disloyal) |
| faltering(adjective, weak, uncertain, doubtful, hesitant) |
| flickering(adjective, irregular, disturbed, changeable, variable) |
| flitting(adjective, capricious) |
| fluid(adjective, unstable, unsettled, unpredictable, unreliable) |
| periodical |
| recurring |
| undecided(adjective, weak, uncertain, doubtful, hesitant) |
| undulating(verb, adjective, oscillating) |
| vagrant(unstable, unsettled, variable, capricious, changeableness) |