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.
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            They answered and said, He is guilty of death.
                                                  --Matt. xxvi.
                                                  66.
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            Nor he, nor you, were guilty of the strife.
                                                  --Dryden.
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   2. Evincing or indicating guilt; involving guilt; as, a
      guilty look; a guilty act; a guilty feeling.
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   3. Conscious; cognizant. [Obs.] --B. Jonson.
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   4. Condemned to payment. [Obs. & R.] --Dryden.
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