insane

adjective
/ɪnˈseɪn/

Exhibiting unsoundness or disorder of mind; not sane; utterly mad.

Other meanings

Used by or relating to insane people.
“an insane hospital”
Causing insanity or madness.

Related words

insaneness
insanery
insaniac
noninsane
drive someone insane
general paralysis of the insane
general paresis of the insane
insane asylum
insane in the membrane
insanely
insanify

Word history

From Latin "īnsānus" (unsound in mind; mad, insane).

Where this comes from

This definition is adapted from “insane” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.