grouch
verb (used without object)
to be sulky or morose; show discontent; complain, especially in an irritable way.
Used to describe an ongoing action or state that is currently taking place in the immediate present.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
"Oh, the girls are grouching a little because they helped earn all this, and are to be left out of it," explained Robert in a low voice.
From A Daughter of the Land by Gene Stratton-Porter