One entry found for grumble.

Main Entry: grum·ble
Pronunciation: grm-bl
Function: verb
Inflected Form(s): grum·bled; grum·bling /-b(-)li/
1 : to mutter in discontent
2 : ¹RUMBLE
- grumble noun
- grum·bler /-b(-)lr/ noun
- grum·bling·ly /-b(-)li-l/ adverb

Pronunciation Symbols