Wane (3)
'wane' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for ebb that I've seen before include "(Water) recede" , "state of decline" , "(Sea) recede" , "Withdraw heartless" , "Flow outwards" .)
'wane' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for abate that I've seen before include "Become less intense" , "Go down like storm" , "Moderate" , "Put an end to" , "Die down, slacken off" .)
'wane' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for diminish that I've seen before include "Diet" , "Contract" , "Get smaller" , "Peter out" , "Drop" .)