
1) Abated 2) Ebbed
Found on
https://www.crosswordclues.com/clue/waned

1) Approached an end 2) Approached extinction 3) Declined 4) Declined in power 5) Decreased 6) Decreased in intensity 7) Died down 8) Diminished 9) Diminished over time 10) Drawn back 11) Dropped off 12) Dwindled 13) Ebbed 14) Fell 15) Fell off 16) Grew dim 17) Grew dimmer 18) Grew weaker 19) Lessened
Found on
https://www.crosswordclues.com/clue/waned

• (imp. & p. p.) of Wane
Found on
http://thinkexist.com/dictionary/meaning/waned/

wane, waning, waned 1. Lose size; become smaller gradually. 2. Decline in power, influence, or importance. 3. Decline in strength or intensity. 4. Draw to a close. 5. On the wane, growing less; waning. Although wane is from Old English and Old Frisian and not from Latin nor Greek, it is included here because it is considered a synonym of decre...
Found on
http://www.wordinfo.info/words/index/info/view_unit/567/2
No exact match found.