| ineffectual(adjective, weak, inadequate, limited, feeble) |
| worthless(adjective, poor, small, insignificant, inadequate) |
| acarpous(adjective, fruitful, unproductiveness) |
| lean(adjective, thin, spare, bare, slim) |
| meagre(adjective, poor, small, insignificant, unimportant) |
| bootless(adjective, inadequate, limited, feeble, useless) |
| jejune(adjective, poor, small, insignificant, unimportant) |
| unavailing(adjective, inferior, dry, idle, inadequate) |
| void(adjective, poor, small, insignificant, unimportant) |
| wasted(adjective, thin, spare, useless, bare) |
| bare(adjective, slight, thin, small, spare) |
| dead(adjective, clean, bleak, barren, meaningless) |
| deficient(adjective, poor, small, insignificant, unimportant) |
| dry(adjective, idle, empty, bleak, barren) |
| futile(adjective, inadequate, feeble, useless, bleak) |
| inadequate(adjective, weak, slight, poor, thin) |
| inefficacious(adjective, inadequate, feeble, useless, vain) |
| inoperative(adjective, inferior, inadequate, limited, feeble) |
| insufficient(adjective, poor, small, insignificant, unimportant) |
| scant(adjective, poor, small, insignificant, unimportant) |