mopingly

/ˈmoʊpɪŋli/
adverb
  1. In a sad, gloomy, or dejected manner; with a lack of energy or enthusiasm.
    • After losing the game, she sat mopingly on the bench, staring at the ground.
    • The dog lay mopingly by the door, waiting for its owner to return.
    • He walked mopingly through the rain, not caring that his shoes were getting wet.
Antonyms