Definition of "sulkily"

But the pretty milk-maid was much too vexed to make any answer. She picked up the leg sulkily and led her cow away, the poor animal limping on three legs.

1900 May 17, L[yman] Frank Baum, “The Dainty China Country”, in The Wonderful Wizard of Oz, Chicago, Ill., New York, N.Y.: Geo[rge] M. Hill Co., page 230

By hammering trenchantly on that point, Podson was induced to say sulkily, "Oh, all right, if you're so set on it...I never mentioned it. Hang it, I'm not likely to mention it to anybody, am I?"

1938, Norman Lindsay, Age of Consent, 1st Australian edition, Sydney, N.S.W.: Ure Smith, published 1962, page 88