| diseased(unstable, shaky, insane, unhealthy) |
| erroneous(false, insane, unhealthy, frail) |
| fallacious(false, insane, unhealthy, frail) |
| false(adjective, unstable, dishonest, sick) |
| faulty(false, insane, unhealthy, frail) |
| flawed(false, unstable, shaky, insane) |
| fragile(false, unstable, shaky, insane) |
| frail(unstable, unhealthy, vulnerable, dangerous) |
| illogical(false, foolish, unstable, fantastic) |
| in poor health(expression, idiom, false, insane) |
| incongruous(false, unstable, shaky, insane) |
| incorrect(false, insane, unhealthy, frail) |
| infirm(adjective, false, loose, unstable) |
| insane(false, unstable, shaky, unhealthy) |
| insubstantial(false, unstable, shaky, insane) |
| invalid(foolish, fantastic, unhealthy, frail) |
| lunatic(false, unstable, shaky, insane) |
| not solid(expression, false, unstable, insane) |
| unbalanced(false, unstable, shaky, insane) |
| unhinged(false, unstable, shaky, insane) |