† 1. Unsound, unhealthy. Obs.
c. 1690. trans. Plutarchs Mor. (1718), IV. 177. A Man begotten by an unsane Body, does not therefore deserve Punishment.
2. Lacking sanity. rare.
1867. H. Bushnell, Moral Uses Dark Th., 267. It results not that we are insane, but short of perfect sanity, practically unsane.