I. Pass.
A. Lit., not watched, unguarded (poet. and post-Aug.): “ovile,” Ov. Tr. 1, 6, 10: “incustodita et aperta limina,” Mart. 1, 35, 1.—
B. Trop.
1. Disregarded, neglected: “dierum observatione,” Tac. A. 15, 55.—
II. Act., heedless, imprudent: “incustoditus nimis et incautus,” Plin. Ep. 6, 29, 10.