Definition of efficacious
The word efficacious uses 11 letters: a, c, c, e, f, f, i, i, o, s, u
efficacious is playable in:
Words With Friends24
Scrabble US21
Scrabble UK21
Meanings of efficacious
n. - Possessing the quality of being effective; productive of, or powerful to produce, the effect intended; as, an efficacious law.
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