Wiktionary
grouchily
adv. In a grouchy manner
WordNet
Usage examples of "grouchily".
Bachi, Italian gentleman and graduate of the University of Padua, grouchily nurtured all opportunities open to him in Boston as a private tutor, though they were scarce and disagreeable.
And he grouchily demanded that the other tone down his screams of elation when they hit the foe.
Andi demanded grouchily, cursing under her breath at the inconvenience, then deciding with a little, acid smile that the time should be billed to the stolen roses.
He said something to the other supplicants waiting in line there, and they all mumbled grouchily and dispersed to other lines.