| suspicious(adjective, delicate, uncertain, restrained, modest) |
| undependable(adjective, uncertain, nervous, unstable, feeble) |
| unpredictable(adjective, uncertain, shy, doubtful, vague) |
| unsettled(adjective, open, weak, uncertain, awkward) |
| worried(adjective, uncertain, anxious, shy, tense) |
| ambiguous(adjective, open, doubtful, vague, unsure) |
| careful(adjective, delicate, restrained, safe, cautious) |
| circumspect(adjective, delicate, restrained, modest, humble) |
| equivocal(adjective, open, uncertain, doubtful, unsettled) |
| infirm(adjective, weak, uncertain, feeble, doubtful) |
| inhibited(adjective, cautious, suspicious, wary, feel doubt) |
| introverted(adjective, modest, humble, suspicious, wary) |
| modest(adjective, quiet, simple, gentle, nervous) |
| mousy(adjective, nervous, shy, worried, fearful) |
| obscure |
| opposed(adjective, uncertain, antagonistic, wary, unenthusiastic) |
| reticent(adjective, quiet, obscure, restrained, modest) |
| squeamish(adjective, delicate, careful, unenthusiastic, unwilling) |
| tremulous(adjective, nervous, shy, worried, fearful) |
| unassertive(adjective, modest, nervous, humble, shy) |