hangdog

from WordNet (r) 3.0 (2006)

hangdog
    adj 1: showing a sense of guilt; "a guilty look"; "the hangdog
           and shamefaced air of the retreating enemy"- Eric
           Linklater [syn: {guilty}, {hangdog}, {shamefaced},
           {shamed}]
    2: frightened into submission or compliance

from The Collaborative International Dictionary of English v.0.48

Hangdog \Hang"dog`\ (-d[o^]g`), n.
   A base, degraded person; a sneak; a gallows bird.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Hangdog \Hang"dog`\, a.
   Low; sneaking; ashamed.
   [1913 Webster]

         The poor colonel went out of the room with a hangdog
         look.                                    --Thackeray.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

43 Moby Thesaurus words for "hangdog":
      abashed, abject, ashamed, backscratching, beggarly, blushing,
      bootlicking, chagrined, chapfallen, cowering, crawling,
      crestfallen, cringing, crouching, crushed, embarrassed, fawning,
      flattering, footlicking, groveling, humbled, humiliated,
      ingratiating, mealymouthed, mortified, obeisant, obsequious,
      on bended knee, out of countenance, parasitic, prostrate,
      red-faced, shamed, shamefaced, shamefast, sniveling, sponging,
      sycophantic, timeserving, toadeating, toadying, toadyish,
      truckling