Synonyms and Antonyms of efficaciousness
the power to produce a desired result the debatable efficaciousness of many of the campaigns aimed at reducing smoking among teenagers Synonyms edge, effectiveness, effectualness, efficacy, efficacity, efficiency, productivenessRelated Words ability, capability, capacity; potency, puissance, strengthNear Antonyms inability, inadequacy, inadequateness, incompetence, incompetencyAntonyms ineffectiveness, ineffectuality, ineffectualness, inefficiency
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