One entry found for insane.
Main Entry: in·sane
Pronunciation: ()in-sn
Function: adjective 1: having or showing a very abnormal and very sick state of mind : not sane <an insane person> <an insane look> 2: used by or for insane persons <an insane ward in a hospital> 3: extremely foolish or unreasonable <an insane attempt> - in·sane·lyadverb