adjective. Shamefaced or guilty.

adjective. Downcast; intimidated.

noun. A sneaky or despicable person.

noun. A degraded and sneaking fellow, fit only to be a hangman of dogs.

Of or pertaining to such a person; having a base or sneaking appearance: as, a hangdog look or gait.

noun. A base, degraded person; a sneak; a gallows bird.

adjective. Low; sneaking; ashamed.

noun. A base, degraded person; a sneak; a gallows bird.

adjective. Low; sneaking; ashamed.

adjective. frightened into submission or compliance

adjective. showing a sense of guilt

"I'm an Obama supporter, but that WaPo piece on "hangdog" pictures was a cheap shot at Clinton -- esp since hers was the only "hangdog" picture shown."

afraid  ashamed  

blood-smeared  careworn  deprecating  downcast  gentlemanlike  

abashed  abject  ashamed  ashamed  backscratching