need (v.) Copy link Outline 1. expr. by ŏpus, indecl., either as subs. or adj.2. ĕgeo, ui, 2 (with abl., less freq. gen.)3. rĕquīro, quīsīvi, ītum, 3 (to look for as needful; to require)4. sometimes expr. by gen. with verb esse (gen. of quality or description) • need (v.): 1. expr. by ŏpus, indecl., either as subs. or adj.: v. preced. art. (I.). 2. ĕgeo, ui, 2 (with abl., less freq. gen.): when we do not n. (require) the eyes (in sleep), quum oculis non egemus, Cic. N. D. 2, 57, 143: to n. help, auxilii e., Caes. B. G. 6, 11: to n. a doctor, a keeper, medici, curatoris e., Hor. Ep. 1, 1, 102. In same sense, indĭgeo, ui, 2 (usu. foll. by gen.; less freq. by abl.): I n. your counsel, tui consilii indigeo, Cic. Att. 12, 35: to n. medicine, medicina ind., Nep. Att. 21, med. 3. rĕquīro, quīsīvi, ītum, 3 (to look for as needful; to require): Caes.: Cic.: v. to require. 4. sometimes expr. by gen. with verb esse (gen. of quality or description): the work n.s great industry and perseverance, magni opus est laboris; magnae perseverantiae: cf. L. G. § 274. Phr.: you n. not (do this or that), non est quod, nihil est quod ...: v. preced. art. (II.).