| 例句 |
inefficaciousadjective not producing the desired resulthis efforts to restore the neglected houseplant back to health were belated and sadly inefficacious counterproductive, feckless, hamstrung, ineffective, ineffectual, inefficient, inexpedient abortive, bootless, fruitless, futile, nonproductive, pointless, profitless, unavailing, unproductive, unprofitable, unsuccessful, useless, worthless effective, effectual, efficacious, efficient, expedient, operant, ultraefficient availing, beneficial, helpful, productive, profitable, successful, useful, worthwhile producing no resultsan inefficacious medication for a rare form of tuberculosis abortive, barren, bootless, empty, fruitless, futile, ineffective, ineffectual, otiose, profitless, unavailing, unproductive, unprofitable, unsuccessful, useless, vain hollow, idle, meaningless, pointless, valueless, worthlesshopeless, impossible, lost, no-win, unattainableinadequate, insufficient, lacking, wantingcounterproductive in vain, no dice, not worth the candle, of no avail deadly, effective, effectual, efficacious, efficient, fruitful, potent, productive, profitable, successful, virtuous meaningful, worthwhileadequate, sufficientapplicable, feasible, functional, practicable, practical, realizable, usable(also useable), workable in 1658 |