hangdog

adjective

1. browbeaten; defeated; intimidated; abject: He always went about with a hangdog look.
2. shamefaced; guilty: He sneaked out of the room with a hangdog expression.
3. suitable to a degraded or contemptible person; sneaky; furtive.

noun

4. Archaic. a degraded, contemptible person.

adjective

1. downcast, furtive, or guilty in appearance or manner

noun

2. a furtive or sneaky person