Wiktionary
adv. In a disgruntled manner.
Usage examples of "disgruntedly".
Engines rolled over disgruntedly on lollipop-shaped hardstands, resisting first, then idling smoothly awhile, and then the planes lumbered around and nosed forward lamely over the pebbled ground like sightless, stupid, crippled things until they taxied into the line at the foot of the landing strip and took off swiftly, one behind the other, in a zooming, rising roar, banking slowly into formation over mottled treetops, and circling the field at even speed until all the flights of six had been formed and then setting course over cerulean water on the first leg of the journey to the target in northern Italy or France.
He glowered at the chaplain with swollen fury for a moment, his good humor gone, and turned back toward the bar disgruntedly, rolling from side to side like a sailor on his short bandy legs.