efficacious


Definition: Meaning of, efficacious in English to English dictionary.

Pronunciation: / ˌɛfɪˈkeɪʃəs /

  • adjective
  • synonym
  • antonym
Word Forms:
Positive Comparative Superlative
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[formal]
  1. working in the way you intended [=  effective]
    SYNONYM
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    ANTONYM
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synonym
antonym