I.not brisk, inactive, sluggish, spiritless (poet. and in post-Aug. prose): “homo,” Plaut. Most. 1, 2, 23: “animus,” Ter. Heaut. 1, 1, 68: “dux,” Suet. Vesp. 4. — Adv.: instrēnŭē , without spirit: “non instrenue moriens,” Just. 17, 2, 1.
in-strēnŭus , a, um, adj.,