| futile(adjective, weak, inadequate, limited, feeble) |
| abortive(adjective, inferior, inadequate, limited, feeble) |
| fruitless(adjective, weak, inferior, inadequate, limited) |
| ineffectual(adjective, weak, inadequate, limited, feeble) |
| useless(adjective, weak, failure, inferior, inadequate) |
| unavailing(adjective, weak, inferior, short, inadequate) |
| vain(adjective, weak, inferior, short, inadequate) |
| ineffective(adjective, weak, useless, trivial, failing) |
| unproductive(adjective, weak, inferior, inadequate, limited) |
| bootless(adjective, inferior, inadequate, limited, feeble) |
| failed(adjective, failing, vain, ineffective, futile) |
| unfortunate(adjective, bad, poor, failure, miserable) |
| unprofitable(adjective, gain, inferior, inadequate, feeble) |
| frustrated(adjective, worsted, arouse bad feelings, unslaked, hamstrung) |
| pointless(adjective, product, useless, trivial, empty) |
| foiled(adjective, failing, arouse bad feelings) |
| defeated(adjective, weak, short, failing, finished) |
| unfruitful(adjective, inferior, inadequate, limited, feeble) |
| inefficacious(adjective, inferior, inadequate, limited, feeble) |
| thwarted(adjective, failing, worsted, vain, ineffective) |