Thesaurus
efficacy
Synonyms and Antonyms of efficacy
the power to produce a desired result questioned the efficacy of the alarms in actually preventing auto theft Synonyms edge, effectiveness, effectualness, efficaciousness, efficacity, efficiency, productiveness Related Words ability, capability, capacity; potency, puissance, strength Near Antonyms inability, inadequacy, inadequateness, incompetence, incompetency Antonyms ineffectiveness, ineffectuality, ineffectualness, inefficiency
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Dictionary: Definition of efficacy Spanish Central: Translation of efficacy Nglish: Translation of efficacy for Spanish speakers Britannica English: Translation of efficacy for Arabic speakers Britannica.com: Encyclopedia article about efficacy
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