| imperfect(adjective, mean, weak, rough) |
| faulty(adjective, weak, false, better) |
| bad(adjective, quality, poor, false) |
| unsound(adjective, wrong, thin, false) |
| inadequate(adjective, weak, rough, poor) |
| poor(adjective, small, common, insignificant) |
| unsatisfactory(verb, adjective, person, rough) |
| impaired(adjective, mean, weak, poor) |
| inferior |
| wrong(adjective, false, incorrect, broken) |
| erroneous(adjective, wrong, rough, poor) |
| amiss(adjective, wrong, rough, poor) |
| fallacious(adjective, wrong, rough, poor) |
| inaccurate(adjective, wrong, false, incorrect) |
| wretched(verb, adjective, person, feelings) |
| incorrect(adjective, wrong, rough, poor) |
| rotten(adjective, mean, false, inferior) |
| awry(adjective, wrong, false, incorrect) |
| false(adjective, wrong, ill, incorrect) |
| inexact(wrong, false, incorrect, incomplete) |