hangdog

/ˈhæŋˌdɔɡ/
adjective
  1. Having a sad, guilty, or ashamed expression; looking dejected or humiliated.
    • The employee walked into the boss's office with a hangdog expression after missing the deadline.
    • After breaking the vase, the child gave a hangdog look and apologized.
    • He sat in the corner with a hangdog air, avoiding everyone's eyes.
Antonyms
What does "hangdog" mean? | whatsthatwordmean | whatsthatwordmean