Latin

Adjective

īnsānus m ‎(feminine īnsāna, neuter īnsānum); first/second declension

1. mad, insane, demented
   • c. 254 BCE – 184 BCE, Plautus, Captivi

     Aristophontes: Quid tu autem? Etiam huic credis?
     Hegio: Quid ego credam huic?
     Aristophontes: Insanum esse me?

     Aristophontes: How’s this? You, too? Do you actually believe him?
     Hegio: Believe him in what?
     Aristophontes: That I’m insane?

   • c. 254 BCE – 184 BCE, Plautus, Captivi

     Quid ais? Quid si adeam hunc insanum?

     See here, what if I should step up to this lunatic?

Declension

First/second declension.

Descendants

• Catalan: insà
• English: insane
• French: insane
• Italian: insano
• Portuguese: insano
• Spanish: insano

References

• insanus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• insanus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• INSANUS in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
• Félix Gaffiot (1934), “insanus”, in Dictionnaire Illustré Latin-Français, Paris: Hachette.
• insanus in Ramminger, Johann (accessed 16 July 2016) Neulateinische Wortliste: Ein Wörterbuch des Lateinischen von Petrarca bis 1700, pre-publication website, 2005-2016