Crossword Genius

What a full moon does (5)

Ross

I believe the answer is:

wanes

(Other definitions for wanes that I've seen before include "Of the moon, gradually decreases" , "Decreases in vigour or strength like the moon" , "Grows smaller like the moon" , "Gradually declines" .)

I've seen this clue in The Wall Street Journal.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.