adj. (guiltier, guiltiest) 1 culpable of or responsible for a wrong. 2 conscious of or affected by guilt (a guilty conscience; a guilty look). 3 concerning guilt (a guilty secret). 4 a (often foll. by of) having committed a (specified) offence. b Law adjudged to have committed a specified offence, esp. by a verdict in a trial. guiltily adv. guiltiness n.
[ OE gyltig (as GUILT, -Y(1)) ]