← BackshareGuessgrouchy/ˈɡraʊtʃi/adjectiveIrritable and inclined to complain; in a bad mood.I get grouchy when I don't get enough sleep.He's always grouchy before he eats breakfast.The grouchy neighbor yelled at the kids for playing too loudly.SynonymscrankycrossgrumpyAntonymscheerfulhappy