What does efficacy mean in crosswords?

efficacy means: capacity or power to produce a desired effect

Which crossword clues can have efficacy as the answer?

Possible clues for efficacy include "Effectiveness".

Word entry · 8 letters

Best crossword clue

"Effectiveness"

8 letters · collected on this word page

8 lettersSorted acceffiyStarts with EEnds with Y1 clues

1E2F3F4I5C6A7C8Y

01“Effectiveness”8 letters

Not quite right?

E_______