WordWeb Online

1. Responsible for or chargeable with a reprehensible act
   "guilty of murder"; "the guilty person"; "secret guilty deeds"
    
2. Showing a sense of guilt
   "a guilty look";
   - hangdog, shamefaced, shamed

Derived forms: guiltiest, guiltier

See also: ashamed, at fault, blamable, blameable, blameful, blameworthy, bloodguilty, censurable, chargeable, conscience-smitten, criminal, culpable, delinquent, finable, fineable, guilt-ridden, inculpative [archaic], inculpatory [archaic], indictable, punishable, red-handed, unrighteous

Antonym: clean-handed

Encyclopedia: Guilty