grumble about

grumble about (someone or something)

To complain or gripe about someone or something. I turned the thermostat up, so you all can stop grumbling about how cold it is in here, thanks. Of course Marjorie is grumbling about how I left dishes out in the kitchen—she's not happy unless everything is perfectly put away.See also: grumble

grumble about someone or something

to complain about someone or something. What are you grumbling about now? The students were grumbling about the teacher.See also: grumble