The crowd grumbled in anger.

The crowd grumbled as Giambi went back to the dugout.

The crowd grumbled in agreement.

Inwardly, she smiled as the crowd behind her grumbled angrily.

The crowd grumbled its answer: no one knew him.

The crowd grumbled its disappointment.

By then, the crowd was grumbling.

The crowd was growing restless, grumbling and shifting in their seats.

A normal crowd would have grumbled to itself in speculation and wagers and arguments.

The crowd was quiet as it waited for his numbers, then grumbled when the winning score - 67.5 for a 402.75 total - flashed on the board.