[adjective] -ier, -iest [slightly informal] - bad-tempered because of annoyance or tirednessThe shopkeeper was a grumpy and rather unfriendly man.I hadn't had enough sleep and I was grumpy all day.She made a grumpy remark about how late I was.
GRUMPY
Meaning of GRUMPY in English
Cambridge English vocab. Кембриджский английский словарь. 2012