| unclear(uncertain, doubtful, unsettled, vague, hesitant) |
| uncommitted(adjective, uncertain, wavering) |
| unconvinced(uncertain, nervous, doubtful, hesitant, dubious) |
| untrustworthy(adjective, weak, uncertain, nervous, doubtful) |
| vagrant(unstable, unsettled, variable, capricious, fluctuating) |
| wavy(shaky, unsteady, rickety) |
| yellow(adjective, weak, soft, nervous, shy) |
| adapting(verb, changing) |
| adjusting(verb, changing) |
| afloat |
| afraid(uncertain, nervous, shy, doubtful, hesitant) |
| agitated(unstable, unsettled, variable, capricious, fluctuating) |
| agnostic(uncertain, hesitant, dubious, unsure) |
| aimless |
| all aquiver(expression, weak, unstable, unsettled, unsteady) |
| altering(verb, changing) |
| alternately(adverb, variable, intermittently, variably) |
| anemic(adjective, weak, delicate, ill, sick) |
| anile(adjective, weak, delicate, ill, sick) |
| apathetic(adjective, unfaithful, disloyal) |