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. Derivatives: guiltlessly adv. guiltlessness n. Etymology: OE gyltleas (as GUILT, -LESS) Oxford English vocab. Оксфордский английский словарь. 2012