Copy page URL Share on Twitter Share on WhatsApp Share on Facebook
Get it on Google Play
Meaning of word efficacy from English dictionary with examples, synonyms and antonyms.

efficacy   noun

Meaning : Capacity or power to produce a desired effect.

Example : Concern about the safety and efficacy of the vaccine.

Synonyms : efficaciousness

A lack of efficacy.

inefficaciousness, inefficacy

Efficacy meaning in Bengali (Bangla).