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"?
Use our smart search feature to filter by word length. Our system organizes results by frequency and relevance. Search through millions of answers to thousands of crossword clues—for free!