What does waning mean in crosswords?

waning means: (of the Moon) pertaining to the period during which the visible surface of the moon decreases

Which crossword clues can have waning as the answer?

Possible clues for waning include "Gradually decreasing".

Word entry · 6 letters

Best crossword clue

"Gradually decreasing"

6 letters · collected on this word page

6 lettersSorted aginnwStarts with WEnds with G1 clues

1W2A3N4I5N6G

(of the Moon) pertaining to the period during which the visible surface of the moon decreases

01“Gradually decreasing”6 letters

Not quite right?

W_____