Lingvanex Tranalator

Translator for


translation app

Lingvanex - your universal translation app

Translator for

Download For Free

Meaning & Definition of Efficacy in English

English

Efficacy

/ɛfɪkæsi/

noun

1. Capacity or power to produce a desired effect

  • "Concern about the safety and efficacy of the vaccine"
synonym:
  • efficacy,
  • efficaciousness