n.
Pronunciation: ' gr ə m-b ə l
Function: verb
Inflected Form: grum · bled ; grum · bling \ -b( ə -)li ŋ \
Etymology: probably from Middle French grommeler, ultimately from Middle Dutch grommen; akin to Old High German grimm grim
Date: 1580
intransitive verb
1 : to mutter in discontent
2 : GROWL , RUMBLE
transitive verb : to express with grumbling
– grumble noun
– grum · bler \ -b( ə -)l ə r \ noun
– grum · bling · ly \ -b( ə -)li ŋ -l ē \ adverb
– grum · bly \ -b( ə -)l ē \ adjective