grump

[ gruhmp ]
/ grʌmp /

noun

a person given to constant complaining.
Informal. the grumps, a depressed or sulky mood.

verb (used without object)

to complain or sulk.

Origin of grump

First recorded in 1835–45; probably back formation from grumpy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for grump

British Dictionary definitions for grump

grump

/ (ɡrʌmp) informal /

noun

a surly or bad-tempered person
(plural) a sulky or morose mood (esp in the phrase have the grumps)

verb

(intr) to complain or grumble

Word Origin for grump

C18: dialect grump surly remark, probably of imitative origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012