Wiktionary
adv. In a disappointed manner.
WordNet
adv. in disappointment; in a disappointed manner; "she left the gambling table disappointedly"
Usage examples of "disappointedly".
Neither of 'em," he said disappointedly, turning back to look down into the wagon.
Jon-Tom watched until the dragon had completely vanished, then looked disappointedly at the ground.
Bell watched him go, somewhat disappointedly, and when the door closed he made a sour comment.
His desire to follow its course would seem to have been greater than his interest in the more spiritual ends of his mission, for he disappointedly, it is intimated, followed his little Huron flock suddenly driven back toward the east by the Iroquois of the West--the Sioux.
The snow covered the peaks of the Big Horn Mountains, but the party probably forced a way to the Wind River Range before they reluctantly turned back from the foot of the mountains, disappointedly fancying that they might have seen the Pacific if they could have reached the summits.
She nodded disappointedly, and standing back to back, they headed for the door.
He stood in the doorway disappointedly shaking his head for several seconds before he shouted, "Excuse me!
He also detected the potency of the alcohol in the ale and disappointedly concluded that he would have to nurse the one glass, given his empty stomach and his growing exhaustion.