Grouse
'grouse' is the definition.
(I know that grouse is a more specific form of complain)
This is all the clue.
(Other definitions for complain that I've seen before include "Express discontent" , "Remonstrate" , "Grouse, grumble" , "Bemoan" , "Bellyache" .)
'grouse' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for grumble that I've seen before include "Complain, protest" , "Express dissatisfaction" , "Complain, be a grouch" , "what Meldrew does" , "bitch" .)
'grouse' is the definition.
(synonyms)
This is all the clue.
(Other definitions for bellyache that I've seen before include "complain" , "Moan noisily" , "Beef" , "Gripe" , "protest" .)