I.drowsy, lethargic: “morbus,” Plin. 23, 1, 6, § 10: “somnus,” Aug. Ep. 48 ad Vincent.; Cael. Aur. Acut. 1, 3, 38 al.—
II. Subst.: lē-thargĭcus , i, m., one affected with lethargy, a lethargic person: “ut lethargicus hic cum fit pugil et medicum urget,” Hor. S. 2, 3, 30; Plin. 24, 6, 16, § 25: “lethargicos excitare labor est,” id. 26, 11, 72, § 118.