Ebb (6)
'ebb' is the definition.
(I know that ebb is a more specific form of the action fall back)
This is the entire clue.
(Other definitions for recede that I've seen before include "Decree (anag) - ebb" , "Move backward" , "Go back, ebb" , "Decline" , "Become more distant" .)
(Other definitions for weaken that I've seen before include "Relent" , "Dilute" , "Lose strength" , "Lose force" , "Enfeeble" .)
'ebb' is the definition.
(I know that ebb can be written as wane)
This is the entire clue.
(Other definitions for wane that I've seen before include "Decline (in influence)" , "Subside; lessen" , "Get smaller" , "Dwindle" , "Diminish" .)
'ebb' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for fade away that I've seen before include "Disappear gradually" , "Die gradually" , "peter out" , "Become weaker" , "as did the Cheshire Cat?" .)
(Other definitions for fadeaway that I've seen before include "Disappear gradually" , "'Old soldiers never die, they simply . . . . . . . .'" , "Die gradually" , "Become weaker" , "Evanesce" .)
'ebb' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for regress that I've seen before include "Decline" , "Go back to more primitive state" , "Return to a former or less developed state" , "Deteriorate" , "Go backwards, disimprove" .)