Words similar to grumble

Example sentences for: grumble

How can you use “grumble” in a sentence? Here are some example sentences to help you improve your vocabulary:

Many grumble that the curators weren't more discriminating.
"Back-seat flying," Mike would grumble.
But though I may grumble under my breath, I know my duty to the Revolution.
Perhaps he'll utter a little grumble of dissatisfaction, like all those grumbles coming from Mac users being forced to switch to Windows to be compatible.
But when the groundlings grumble for red meat in the second act, Farrakhan abandons the smiling visage and the angel-of-peace routine and spews.