1. 
2. 
[syn: guilty, hangdog, shamefaced, shamed]
The Collaborative International Dictionary of English v.0.48:
Guilty \Guilt"y\, a. [Compar. Gultier; superl. Guiltiest.]
   [AS. gyltig liable. See Guilt.]
   1. Having incurred guilt; criminal; morally delinquent;
      wicked; chargeable with, or responsible for, something
      censurable; justly exposed to penalty; -- used with of,
      and usually followed by the crime, sometimes by the
      punishment; as, guilty of murder.
      [1913 Webster]
            They answered and said, He is guilty of death.
                                                  --Matt. xxvi.
                                                  66.
      [1913 Webster]
            Nor he, nor you, were guilty of the strife.
                                                  --Dryden.
      [1913 Webster]
   2. Evincing or indicating guilt; involving guilt; as, a
      guilty look; a guilty act; a guilty feeling.
      [1913 Webster]
   3. Conscious; cognizant. [Obs.] --B. Jonson.
      [1913 Webster]
   4. Condemned to payment. [Obs. & R.] --Dryden.
      [1913 Webster]
WordNet (r) 3.0 (2006):
guilty
    adj 1: responsible for or chargeable with a reprehensible act;
           "guilty of murder"; "the guilty person"; "secret guilty
           deeds" [ant: clean-handed, guiltless, innocent]
    2: showing a sense of guilt; "a guilty look"; "the hangdog and
       shamefaced air of the retreating enemy"- Eric Linklater [syn:
       guilty, hangdog, shamefaced, shamed]
Moby Thesaurus II by Grady Ward, 1.0:
45 Moby Thesaurus words for "guilty":
   accountable, amiss, answerable, apologetic, arraignable, ashamed,
   at fault, blamable, blameful, blameworthy, censurable,
   conscience-stricken, contrite, criminal, culpable, delinquent,
   embarrassed, faulty, impeachable, impeached, implicated,
   incriminated, inculpated, indictable, indicted, involved,
   offending, peccant, penitent, red-faced, regretful, remorseful,
   repentant, reprehensible, reproachable, reprovable, responsible,
   rueful, sheepish, sinful, sorrowful, sorry, to blame, unholy,
   wrong