| shaky(adjective, feature, state, change, strong) |
| unsteady(adjective, change, strong, weak, uncertain) |
| unstable(adjective, change, strong, weak, delicate) |
| rickety(adjective, mean, bad, weak, slight) |
| infirm(adjective, change, mean, bad, strong) |
| weak(adjective, change, mean, bad, strong) |
| insecure(adjective, change, clear, strong, separate) |
| rocky(adjective, mean, bad, weak, delicate) |
| flimsy(adjective, strong, light, weak, slight) |
| unsound(adjective, weak, slight, thin, delicate) |
| vacillating(adjective, weak, delicate, uncertain, nervous) |
| wavering(adjective, weak, delicate, uncertain, nervous) |
| faltering(adjective, weak, delicate, uncertain, unstable) |
| unbalanced(adjective, unstable, shaky, insane) |
| feeble(adjective, mean, bad, weak, slight) |
| frail(adjective, mean, bad, weak, slight) |
| irresolute(adjective, weak, delicate, uncertain, nervous) |
| sick(adjective, mean, bad, weak, delicate) |
| unreliable(adjective, false, uncertain, nervous, unstable) |
| decrepit(adjective, weak, slight, thin, delicate) |