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1.
A state of mind which one can comprehend multiple realities as though they were one.
He knew unsanity had helped him in life, by changing his awareness so he was able to handle whatever reality he faced.
by DruidP December 06, 2010
 
2.
Willfully choosing to ignore reality, for whatever reason, but having a complete grasp thereof.
"Temporary Insanity" would better be termed as Unsanity, as the individual clearly has an understanding of reality, but chooses to ignore it for a period of time.
by Craig.P November 02, 2007