heˈroicalness [f. as prec. + -ness.] Heroic character or quality. a1648Digby (cited by Ogilvie).1689Answ. 2 Papers 38 The Heroicalness of his Temper, and Nobleness of his Soul.1748Richardson Clarissa (1811) V. viii. 121 In violent pain, that with all your heroicalness would make you mad.