I.of or belonging to old people, aged, senile (freq. and class.): “Tages puerili specie dicitur visus, sed senili fuisse prudentiā,” Cic. Div. 2, 23, 50; cf. “partes (opp. viriles),” Hor. A. P. 176: “senile aliquid (opp. adulescentis aliquid),” Cic. Sen. 11, 38: “corpus,” id. Sest. 22, 50: “artus,” Ov. M. 7, 250: “vultus,” id. ib. 8, 528: “genae,” id. ib. 8, 210: “guttur,” Hor. Epod. 3, 2: “ruga,” Ov. F. 5, 58: “statua incurva,” of an old man, Cic. Verr. 2, 2, 35, § 87: “anni,” Ov. M. 7, 163; 13, 66; and poet.: hiems (as the last, latest season of the year), id. ib. 15, 212: “animus,” Liv. 10, 22: “stultitia,” Cic. Sen. 11, 36: “auctoritas morum,” Quint. 11, 1, 32: “artes,” Tac. A. 3, 8: “adoptio,” id. ib. 1, 7 fin.: “senile illud facinus,” that wicked old woman, App. M. 4, p. 148, 9.—* Adv.: sĕnīlĭter , after the manner of an old person: “tremere,” Quint. 1, 11, 1.
sĕnīlis , e, adj. senex,