Ease off (5)
'ease off' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for abate that I've seen before include "Become less in intensity" , "Become less intense" , "Subside like storm" , "Put an end to" , "Go down like storm" .)
'ease off' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for slacken that I've seen before include "reduce tension" , "Loosen -- become less busy" , "Ease off (work)" , "relax" , "Make looser" .)