| defective(adjective, mean, bad, wrong, false) |
| dysfunctional |
| inoperative(adjective, void, unsound, worthless, unacceptable) |
| shut-in(noun, person, case, subject, patient) |
| untrue(adjective, wrong, fake, false, counterfeit) |
| feeble(adjective, mean, weak, sick, green) |
| flawed(adjective, weak, wrong, false, inadequate) |
| groundless(foolish, unreasonable, reasoning, irrational, illogical) |
| ill(adjective, mean, weak, sick, green) |
| incapacitate |
| ineffective(adjective, poor, inadequate, useless, void) |
| irrational(adjective, wrong, false, foolish, crazy) |
| untenable(adjective, useless, reasoning, unfit) |
| weak(adjective, mean, bad, poor, delicate) |
| ailing(adjective, mean, weak, sick, green) |
| disable |
| inadequate(adjective, bad, poor, false, useless) |
| inconsistent(adjective, reasoning, absurd, irrational, arbitrary) |
| nugatory(adjective, worthless, trifling, petty, unacceptable) |
| null and void(expression, adjective, idiom, unsound, worthless) |