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:

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.
He also delights in exploring the limits of the British stiff upper lip, relishing opportunities to see what indignities a subject of the queen can suffer and still say "mustn't grumble."
But though I may grumble under my breath, I know my duty to the Revolution.
"Back-seat flying," Mike would grumble.
Many grumble that the curators weren't more discriminating.