| inept(weak, stupid, idle, useless, incompetent) |
| inoperative(weak, stupid, idle, useless, incompetent) |
| inutile(adjective, weak, stupid, idle, useless) |
| irrelevant(adjective, unimportant) |
| lavish(spare, extreme, useless, extra, surplus) |
| mere(adjective, unimportant) |
| no-deposit |
| no good(expression, weak, stupid, idle, useless) |
| nonfunctional(weak, stupid, idle, useless, incompetent) |
| of no use(expression, idiom, weak, stupid, idle) |
| peripheral(adjective, extra, petty, unnecessary) |
| pointless(weak, stupid, idle, useless, incompetent) |
| profitless(weak, stupid, idle, useless, incompetent) |
| profuse(spare, extreme, useless, extra, surplus) |
| prolix |
| purposeless(weak, stupid, idle, useless, incompetent) |
| sacrificeable |
| scrap(weak, stupid, idle, useless, incompetent) |
| stupid(weak, idle, useless, incompetent, impractical) |
| substitutable |