Noah Webster's Dictionary 1. (n.) The state of being insane; unsoundness or derangement of mind; madness; lunacy. 2. (n.) Such a mental condition, as, either from the existence of delusions, or from incapacity to distinguish between right and wrong, with regard to any matter under action, does away with individual responsibility.

Multi-Version Concordance Insanity (1 Occurrence) Ecclesiastes 9:3 This is evil in all things which are done under the sun: that there is one fate for all, and the hearts of the sons of men are full of evil; while they have life their hearts are foolish, and after that--to the dead. (See NAS)