| worthless(adjective, weak, moving, slight, lower) |
| ineffective(adjective, weak, poor, base, careless) |
| futile(adjective, weak, flat, poor, sad) |
| ineffectual(adjective, weak, poor, base, careless) |
| unavailing(adjective, weak, poor, base, inferior) |
| bootless(adjective, trivial, inadequate, limited, feeble) |
| vain(adjective, weak, flat, sad, value) |
| fruitless(adjective, weak, flat, inferior, insignificant) |
| pointless(adjective, poor, base, value, inferior) |
| unproductive(adjective, weak, flat, poor, base) |
| unprofitable(adjective, weak, flat, poor, base) |
| abortive(adjective, weak, inferior, inadequate, limited) |
| hopeless(adjective, sad, unreasonable, trivial, valuable) |
| profitless(adjective, flat, poor, base, inferior) |
| unsuccessful(adjective, weak, inferior, inadequate, limited) |
| unusable(adjective, poor, base, wild, inferior) |
| unworkable(adjective, wild, unreasonable, valuable, absurd) |
| idle(adjective, weak, inferior, inadequate, limited) |
| inoperative(adjective, weak, inferior, inadequate, limited) |
| barren(adjective, flat, poor, base, inferior) |