| faulty(adjective, feature, state, bad, wrong) |
| incorrect(adjective, feature, state, wrong, fake) |
| unsound(adjective, bad, weak, correct, wrong) |
| fallacious(adjective, correct, wrong, fake, false) |
| false(adjective, correct, wrong, fake, counterfeit) |
| erroneous(adjective, wrong, fake, false, counterfeit) |
| bad(adjective, bad, false, inadequate) |
| mad(adjective, foolish, crazy, unreasonable) |
| sickly(adjective, weak, sick, feeble) |
| weak(adjective, mean, bad, poor, delicate) |
| inaccurate(adjective, wrong, fake, false, counterfeit) |
| incongruous(adjective, unhealthy, absurd, irrational) |
| specious(adjective, correct, wrong, fake, false) |
| imperfect(adjective, mean, weak, down) |
| indisposed(adjective, mean, weak, sick) |
| pale(unwell, poorly) |
| shaky(adjective, sick, unhealthy, frail) |
| confined(mean, weak, down, sick) |
| declining(mean, weak, down, sick) |
| demented(foolish, unreasonable, unhealthy, frail) |