GUILTLESS Meaning of GUILTLESS in English adj. 1 (often foll. by of an offence) innocent. 2 (foll. by of) not having knowledge or possession of. guiltlessly adv. guiltlessness n.[ OE gyltleas (as GUILT, -LESS) ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012