| deranged(adjective, foolish, crazy, mad, unstable) |
| dilapidated(adjective, feeble, shaky, frail, flimsy) |
| ill-considered(adjective, foolish, wise, rash, unwise) |
| impaired(adjective, deficient, broken, incomplete, inexact) |
| imprecise(adjective, wrong, false, uncertain, incorrect) |
| indisposed |
| loco(adjective, slang, crazy, mad, sick) |
| lunatic(adjective, foolish, crazy, mad, unstable) |
| mentally ill(expression, adjective, idiom, crazy, sick) |
| off(adjective, correct, wrong, false, incorrect) |
| puny(adjective, strong, light, weak, slight) |
| ramshackle(adjective, feeble, shaky, flimsy, dilapidated) |
| undependable(adjective, uncertain, unstable, feeble, unsettled) |
| unsatisfactory(adjective, bad, poor, small, insignificant) |
| unwise(adjective, wrong, careless, silly, foolish) |
| weakly(adjective, strong, weak, delicate, uncertain) |
| afflicted |
| amiss(adjective, bad, wrong, false, incorrect) |
| apocryphal(adjective, wrong, fake, false, counterfeit) |
| brainsick(adjective, crazy, sick, insane, sane) |