wane1
/weɪn वेन्/ verb [I] 1 ( written ) to become gradually weaker or less important क्षीण होना, कम हो जाना
My enthusiasm was waning rapidly.
2 (used about the moon) to appear slightly smaller each day after being full and round (चंद्रमा) आकार में कम हो जाना, घट जाना
✪ विलोम wax