Lewis Short
(adjective) : in-sānus, a, um
* Unsound in mind.
* Lit., mad, insane (syn.: furiosus, fanaticus): quod idem contigit insanis,Cic. Ac. 2, 17, 52: si fecisset Juno maritum insanum,Juv. 6, 620.
* Transf., that acts like a madman, raging, raving, foolish, frantic.
* Ex stultis insanos facere, Ter. Eun. 2, 2, 23: acrior et insanior cupiditas,Cic. Verr. 2, 4, 18, § 39: insanissima concio,id. Mil. 17, 45: homo insanissimus,id. Rosc. Am. 12, 33: uter est insanior horum?Hor. S. 2, 3, 102.
* Transf., of inanim. and abstr. things: caedis insana cupido,Verg. A. 9, 760: amor duri Martis,id. E. 10, 44: insano verba tonare foro,i. e. where there is a great bustle,Prop. 4 (5), 1, 134.omnis et insana semita nocte sonat,i. e. of women raving about,id. 4 (5), 8, 60: insani enses,Calp. Ecl. 1, 59: fluctus,Verg. E. 9, 43: venti,Tib. 2, 4, 9: vires Austri,Ov. M. 12, 510: insana Caprae sidera,Hor. C. 3, 7, 6.
* That causes madness (cf. 'The insane root, that takes the reason prisoner,' Shaks. Macb. 1, 3): laurum insanam vocant, quoniam si quid ex ea decerptum inferatur navibus, jurgia fiunt, donec abiciatur,Plin. 16, 44, 89, § 239: herba,that produces madness,Ser. Samm. 20: fames,that drives one to madness,Luc. 7, 413.
* Outrageous, monstrous, violent, extravagant, excessive: substructionum insanae moles,Cic. Mil. 31, 85: substructiones Capitolii insanae,Plin. 36, 14, 2, § 104: labor,Verg. A. 6, 135: trepidatio,Liv. 32, 17, 16: cum stupet insanis acies fulgoribus,Hor. S. 2, 2, 5: vites,that bear excessively, three times,Plin. 16, 27, 50, § 115; cf. adv., 3. insanum.
* Enthusiastic, enraptured, inspired: vates,Verg. A. 3, 443. — Adv., in three forms.
* Insānē.
* Madly, insanely: amare,Plaut. Curc. 1, 3, 20. — Comp.: in silvam non ligna feras insanius,Hor. S. 1, 10, 34.—Sup.: insanissime desperare,Aug. Ep. 238.
* In-sānĭter, madly, violently, excessively: ludit nimium insaniter, Pomp. ap. Non. 509, 31; Prisc. p. 1010 P.
* Insānum, outrageously, vehemently, excessively: insanum malum = pessimum,Plaut. Trin. 3, 2, 47: porticus, insanum bona,id. Most. 3, 3, 5: magnum molior negotium,id. Bacch. 4, 5, 1: valde, id. Fragm. ap. Non. 127, 26.
Charlton T. Lewis, Charles Short, A Latin Dictionary