marked by qualities giving the power to produce an intended effect; "written propaganda is less efficacious than the habits and prejudices...of the readers"-Aldous Huxley; "the medicine is efficacious in stopping a cough"
Frequently asked questions for efficacious:
How many solutions are there for the crossword clue "EFFICACIOUS"?
There are 116 solutions. The longest is AUTHORITATIVE with 13 letters, and the shortest is GO with 2 letters.
How can I find the solution for "EFFICACIOUS"?
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