wane

US /weɪn/
UK /weɪn/
"wane" picture
1.

to decrease in size, extent, or intensity

:
The moon began to wane after the full moon.
Her enthusiasm for the project began to wane.
1.

the act or process of decreasing in size, extent, or intensity; a decline

:
The wane of the moon is a natural phenomenon.
We observed the gradual wane of his influence.