grumble

[ gruhm-buh l ]
/ ˈgrʌm bəl /

verb (used without object), grum·bled, grum·bling.

to murmur or mutter in discontent; complain sullenly.
to utter low, indistinct sounds; growl.
to rumble: The thunder grumbled in the west.

verb (used with object), grum·bled, grum·bling.

to express or utter with murmuring or complaining.

noun

Origin of grumble

1580–90; perhaps frequentative of Old English grymman to wail; compare Dutch grommelen, German grummeln, French grommeler (< Gmc)
Related formsgrum·bler, noungrum·bling·ly, adverbgrum·bly, adjectiveun·grum·bling, adjective

Synonym study

1. See complain.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for grumbly

British Dictionary definitions for grumbly

grumble

/ (ˈɡrʌmbəl) /

verb

to utter (complaints) in a nagging or discontented way
(intr) to make low dull rumbling sounds

noun

a complaint; grouse
a low rumbling sound
Derived Formsgrumbler, noungrumblingly, adverbgrumbly, adjective

Word Origin for grumble

C16: from Middle Low German grommelen, of Germanic origin; see grim
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