Definition of efficacy
The word efficacy uses 8 letters: a, c, c, e, f, f, i, y
efficacy is playable in:
Words With Friends22
Scrabble US21
Scrabble UK21
Meanings of efficacy
n. - Power to produce effects; operation or energy of an agent or force; production of the effect intended; as, the efficacy of medicine in counteracting disease; the efficacy of prayer.
Other words with the same letter pairs
Find words containing the letter combinations found in efficacy.