efficacious
Pronunciation
  • IPA: /ɛf.ɪ.ˈkeɪ.ʃəs/
Adjective

efficacious

  1. (formal) Effective; possessing efficacy. [from 1520s]
    Synonyms: effective
    Antonyms: inefficacious
    This medicine is efficacious.
Related terms

Translations


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