Definition from Wiktionary, the free dictionary
Jump to: navigation, search



From in- (not) + sānus (healthy, sound)



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?


First/second declension.

Number Singular Plural
Case / Gender Masculine Feminine Neuter Masculine Feminine Neuter
nominative īnsānus īnsāna īnsānum īnsānī īnsānae īnsāna
genitive īnsānī īnsānae īnsānī īnsānōrum īnsānārum īnsānōrum
dative īnsānō īnsānae īnsānō īnsānīs īnsānīs īnsānīs
accusative īnsānum īnsānam īnsānum īnsānōs īnsānās īnsāna
ablative īnsānō īnsānā īnsānō īnsānīs īnsānīs īnsānīs
vocative īnsāne īnsāna īnsānum īnsānī īnsānae īnsāna