grumbled

verb

1. To make a low, growling or rumbling noise, like a hungry stomach or certain animals.“The distant thunder grumbles.”
2. To complain; to murmur or mutter with discontent; to make ill-natured complaints in a low voice and a surly manner.“He grumbles about the food constantly, but has yet to learn to cook.”
3. To utter in a grumbling fashion.