| flimsy(adjective, loose, uncertain, feeble, shaky) |
| rocky(adjective, weak, delicate, uncertain, unstable) |
| shifting(adjective, upset, anxious, unstable, unsettled) |
| doubtful(adjective, weak, delicate, uncertain, unstable) |
| dubious(adjective, delicate, uncertain, unstable, doubtful) |
| ramshackle(adjective, condition, danger, apart) |
| ticklish(adjective, upset, change, continue, difficult) |
| tottery(adjective, change, strong, weak, unstable) |
| fluid(adjective, upset, change, anxious, unstable) |
| slippery(adjective, smooth, delicate, uncertain, unstable) |
| unsafe(adjective, smooth, delicate, false, uncertain) |
| untrustworthy(adjective, unreliable, uneven, unsound, insecure) |
| faint(adjective, uncertain, feeble, shaky, tired) |
| frail(adjective, false, uncertain, unstable, ill) |
| moving(adjective, weak, uncertain, uneven, unsound) |
| restless(adjective, anxious, content, unstable, unsettled) |
| spasmodic(adjective, rough, anxious, unstable, irregular) |
| treacherous(adjective, unstable, shaky, unreliable, uneven) |
| unsubstantial(adjective, false, uncertain, unstable, ill) |
| whimsical(adjective, change, continue, unstable, unsettled) |