The Collaborative International Dictionary
Disensanity
Disensanity \Dis`en*san"i*ty\, n. [Pref. dis- + en (L. in) + sanity.] Insanity; folly. [Obs.]
What tediosity and disensanity
Is here among!
--Beau. & Fl.
Wiktionary
disensanity
n. (context obsolete English) insanity; folly