Main Entry: grouch

Pronunciation: \ˈgrau̇ch\

Function: noun

Etymology: probably alteration of grutch grudge; from Middle English grucche, grugge, from grucchen — more at grudge

Date: circa 1895

1 a : a fit of bad temper b : grudge, complaint
2 : a habitually irritable or complaining person : grumbler

— grouch intransitive verb