grouse[verb]Synonyms:- complain, bellyache 
(slang), carp, gripe 
(informal), grumble, moan, whine, whinge 
(informal)[noun]Synonyms:- complaint, grievance, gripe 
(informal), grouch 
(informal), grumble, moan, objection, protest 
 [TahlilGaran] English Synonym Dictionary ▲
 I.  grouse1 /ɡraʊs/ 
 noun[
Date: 1500-1600; 
Origin: Perhaps from Latin gruta, name of a type of bird hunted for food]
1.   [uncountable and countable] (
plural grouse) a small bird that is hunted and shot for food and sport, or the flesh of this bird: 
 the grouse shooting season
 the grouse shooting season roast grouse2.  [countable] informal
 roast grouse2.  [countable] informal a complaint: 
 His main grouse is that he isn’t paid enough.
 His main grouse is that he isn’t paid enough. [TahlilGaran] Dictionary of Contemporary English ▲