- 1. n. Want of power to produce the desired or proper effect; inefficiency; ineffectualness; futility; uselessness; fruitlessness; as, the inefficacy of medicines or means. Source: opted
- 2. n. a lack of efficacy Source: wordnet
- 3. Want of power to produce the desired or proper effect; inefficiency; ineffectualness; futility; uselessness; fruitlessness; as, the inefficacy of medicines or means. The seeming inefficacy of censures. Bp. Hall. The inefficacy was soon proved, like that of many similar medicines. James Gregory. Source: webster
- 4. Want of power to produce the desired or proper effect;inefficiency; ineffectualness; futility; uselessness; fruitlessness;as, the inefficacy of medicines or means.The seeming inefficacy of censures. Bp. Hall.The inefficacy was soon proved, like that of many similar medicines.James Gregory. Source: adambom
- 5. n:100 n. a lack of efficacy Source: ecdict
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medicinesineffectualnessinefficiencydesiredeffectfruitlessnessfutilitymeanspowerproduceproperuselessnesswantcensuresefficacygregoryhalljameslacklikeprovedseemingsimilarsoon
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