Definition of grouchy adjective from the Oxford Advanced Learner's Dictionary

 

grouchy

 adjective
adjective
BrE BrE//ˈɡraʊtʃi//
 
; NAmE NAmE//ˈɡraʊtʃi//
 
(informal)
 
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bad-tempered and often complaining
See the Oxford Advanced American Dictionary entry: grouchy