| unsteady(adjective, weak, unstable, unsettled, trembling) |
| shifting |
| infirm(weak, unstable, unsettled, unsteady, trembling) |
| unsound(weak, unstable, unsettled, unsteady, trembling) |
| unstable(weak, unsettled, unsteady, trembling, wobbly) |
| all aquiver(expression, weak, unstable, unsettled, shaky) |
| aquake(weak, unstable, unsettled, shaky, unsteady) |
| aquiver(weak, unstable, unsettled, unsteady, trembling) |
| ashake(weak, unstable, unsettled, shaky, unsteady) |
| crumbling |
| decrepit |
| disintegrating |
| faltering(weak, unstable, unsettled, unsteady, trembling) |
| fluctuant(weak, unstable, unsettled, shaky, unsteady) |
| insecure(weak, unstable, unsettled, unsteady, trembling) |
| jellylike(weak, unstable, unsettled, shaky, unsteady) |
| jerry-built(weak, unstable, unsettled, unsteady, trembling) |
| jittery(weak, unstable, unsettled, unsteady, trembling) |
| loose |
| nervous(weak, unstable, unsettled, unsteady, trembling) |