Slacken (4)
'slacken' is the definition.
(I know that slacken is a more specific form of loosen)
This is all the clue.
(Other definitions for loosen that I've seen before include "Work free" , "Undo, make less tight" , "Relax the tension" , "Make less tight, slacken" , "Undo a little" .)
'slacken' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for ease off that I've seen before include "Slow down" , "Remove some pressure" , "Put the brake on" , "relax" , "Slacken gradually" .)
'slacken' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for ease that I've seen before include "Lack of worry or agitation" , "Affluence" , "Make comfortable" , "Lack of difficulty" , "soldier may be at it" .)
'slacken' is the definition.
(I know that slacken can be written as slow)
This is all the clue.
(Other definitions for slow that I've seen before include "(Clock) behind" , "Dilatory" , "Reluctant" , "Not getting a move on" , "Lacking speed" .)
'slacken' is the definition.
(I know that slacken can be written as remit)
This is all the clue.
(Other definitions for remit that I've seen before include "Give up" , "Send back; scope of authority" , "instructions required" , "Scope of prescribed job" , "Area of responsibility" .)
'slacken' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for abate that I've seen before include "drop off" , "Decline" , "Lessen - cease" , "Reduce" , "Diminish, mitigate" .)
'slacken' is the definition.
(I know that slacken can be written as relax)
This is the entire clue.
(Other definitions for relax that I've seen before include "Chill out" , "Slow down and unwind" , "Become less tense" , "Make (rule) less strict" , "Abate" .)
(Another definition for letup that I've seen is " relief".)
'slacken' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for let up that I've seen before include "Die away, ease off" , "quiet period" , "Pause (in tiring task)" , "Pause (during something intense)" , "End of crisis" .)