īnsāniō (imperf: īnsānībat, T.), īvī, ītus, īre insanus, to be of unsound mind, be senseless, be without reason, be mad, rave: homo insanibat, T.: insanire omnibus videri: ex iniuriā insaniens exercitus, L.: cum ratione, with method, T.: certā ratione, H.

—To be violent, be absurd, be extravagant, be wild: Insanire libet quoniam tibi, V.: Insaniens Bosporus, H.: errorem, H.: in libertinas, H.: quā me stultitiā insanire putas? H.: sollemnia, fashionably, H.: seros amores, Pr.