Answer:

WANE

Answer	Crossword Clue
WANE	Wax counterpart
WANE	Decrease
WANE	Ease off

WANE	Slack off
WANE	Wax's counterpart
WANE	Decline
WANE	Ebb
WANE	Subside
WANE	Diminish
WANE	Taper off
WANE	Post-full moon occurrence

WANE	Dwindle
WANE	Wax partner
WANE	Diminish gradually
WANE	Peter out
WANE	Wax's opposite
WANE	Fall off
WANE	Drop off
WANE	Lose intensity

WANE	Wind down
WANE	Gradual decline
WANE	Grow smaller
WANE	Flag
WANE	Shrink, as the visible part of the moon
WANE	Fade away
WANE	Tail off
WANE	Die down

WANE	Decrease gradually
WANE	Lose brilliance
WANE	Diminish slowly
WANE	Grow faint
WANE	Contract
WANE	Lose influence
WANE	Lose strength
WANE	Recede

WANE	Decline gradually
WANE	Decrease in strength
WANE	Opposite of wax
WANE	Lose energy
WANE	Dwindle down