| wavering(adjective, upset, weak, delicate, uncertain) |
| hesitant(adjective, uncertain, awkward, nervous, unstable) |
| treacherous(adjective, unreliable, dangerous, incalculable) |
| rickety(adjective, weak, unstable, unsettled, shaky) |
| apprehensive(adjective, uncertain, awkward, shy, doubtful) |
| cowardly(adjective, uncertain, nervous, unstable, hesitant) |
| diffident(adjective, uncertain, awkward, nervous, worried) |
| dubious(adjective, delicate, uncertain, nervous, unstable) |
| frail(adjective, weak, delicate, false, ill) |
| infirm(adjective, change, strong, weak, delicate) |
| shy(adjective, feel doubt) |
| slippery(adjective, delicate, uncertain, unstable, doubtful) |
| unconfident(adjective, uncertain, nervous, doubtful, worried) |
| vacillating(adjective, weak, delicate, uncertain, nervous) |
| rocky(adjective, weak, delicate, uncertain, sensitive) |
| unassured(adjective, uncertain, nervous, doubtful, worried) |
| unguarded(adjective, weak, vulnerable, safety, dangerous) |
| unsettled(adjective, upset, weak, delicate, uncertain) |
| worried(adjective, uncertain, awkward, nervous, unsettled) |
| fickle(adjective, unreliable, treacherous, incalculable) |