| incorrect(adjective, inadequate, useless, inappropriate, unsuitable) |
| ineligible(adjective, weak, inadequate, useless, unfit) |
| irresponsible(adjective, weak, careless, feeble) |
| limited(adjective, poor, inferior, inadequate, feeble) |
| low value |
| meagre |
| no-good(adjective, poor, base, inferior, insignificant) |
| no avail(verb, expression, adjective, arouse bad feelings) |
| not effective(expression, adjective, idiom, useless, unpolluted) |
| not equal to(expression, adjective, idiom, weak, inadequate) |
| not helpful |
| not up to(expression, adjective, idiom, weak, inadequate) |
| null and void(expression, adjective, idiom, inferior, inadequate) |
| of no effect(expression, idiom, failure) |
| of no use(expression, idiom, weak, stupid, idle) |
| paralyzed(adjective, weak, inadequate, incompetent, inept) |
| puny |
| silly(adjective, stupid, insignificant, useless, senseless) |
| stupid(adjective, silly, insignificant, idle, useless) |
| uneconomical(incompetent, wasteful, unproductive) |