The Collaborative International Dictionary
Unsensible
Unsensible \Un*sen"si*ble\, a. Insensible. [Obs.]
Wiktionary
unsensible
a. Not sensible; silly, foolish.
Usage examples of "unsensible".
But, while not skeptical particularly, it had always seemed to me that demons could be explained a little more easily than in terms of ectoplasm13 or some such unsensible material.