| unsteady(adjective, upset, change, strong, weak) |
| rickety(adjective, weak, slight, delicate, uncertain) |
| weak(adjective, change, strong, slight, thin) |
| precarious(adjective, upset, change, strong, open) |
| unstable(adjective, upset, change, strong, weak) |
| wobbly(adjective, feature, state, change, strong) |
| unsound(adjective, weak, slight, thin, delicate) |
| feeble(adjective, weak, slight, thin, delicate) |
| insecure(adjective, upset, change, strong, weak) |
| infirm(adjective, change, strong, weak, slight) |
| uncertain(adjective, upset, weak, delicate, anxious) |
| flimsy(adjective, strong, light, weak, slight) |
| questionable(adjective, uncertain, doubtful, dubious, unreliable) |
| unsure(adjective, change, strong, weak, delicate) |
| dubious(adjective, delicate, uncertain, nervous, unstable) |
| decrepit(adjective, weak, slight, weakness, thin) |
| tottering(adjective, change, strong, unstable, ill) |
| unreliable(adjective, delicate, uncertain, nervous, unstable) |
| timid(adjective, weak, uncertain, fear, anxious) |
| nervous(adjective, upset, informal, excited, uncertain) |