I.active, diligent, assiduous, industrious (class.): “homo gnavus et industrius,” Cic. Verr. 2, 3, 21, § 53: “homines vigilantes, sobrii, industrii,” id. Cael. 31, 74; id. Att. 8, 11, 13, § 1: “vir acer et industrius in rebus gerendis,” id. Tusc. 5, 20, 57: “industrios ac ignavos pax in aequo tenet,” Tac. A. 12, 12: “petit aquilas armis industrius,” Juv. 8, 52.—Comp.: “industrior or industriior (ante-class.): quo neque industrior de juventute erat,” Plaut. Most. 1, 2, 72: imperator exercitum industriiorem facit, Cato ap. Prisc. p. 601 P. — Adv.: industrĭē , diligently, industriously: rem publicam curare, Cato ap. Charis. p. 181 P.: ut ea diligenter industrieque administrarent, Caes. B. G. 7, 60: “tueri Siciliam,” Quint. 5, 13, 35: “causas actitare,” Suet. Galb. 3.
industrĭus , a, um, adj. perh. indo for in, and struo; lit. building within, i. e. active within; hence,