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:

But though I may grumble under my breath, I know my duty to the Revolution.
Many grumble that the curators weren't more discriminating.
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 when the groundlings grumble for red meat in the second act, Farrakhan abandons the smiling visage and the angel-of-peace routine and spews.
"Back-seat flying," Mike would grumble.