IRRESISTIBLE Meaning of IRRESISTIBLE in English adj.1 too strong or convincing to be resisted. 2 delightful; alluring. Derivatives: irresistibility n. irresistibleness n. irresistibly adv. Etymology: med.L irresistibilis (as IN-(1), RESIST) Oxford English vocab. Оксфордский английский словарь. 2012