There's been a lot of grumbling among the employees.
Some of the customers have been grumbling about poor service.
Fans grumbled about the team's poor play.
“When are we going to leave?” he grumbled.
We could hear thunder grumbling in the distance.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'grumble.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.