† inacˈcessional,a.Obs.rare. [in-3.] Unapproachable. 1654–66Ld. Orrery Parthen. 97 A Lady, who possest the several Beauties of shape, stature, complexion, and features in so inaccessional a degree.Ibid. 137 To raise your insolence to an inaccessional height.