Wiktionary
sensationless
a. Devoid of sensation.
Usage examples of "sensationless".
I stood on long sensationless legs Except for the boots, I still wore Sunday's clothes, now smudged and crusted with dirt from the root cellar.
There was an inescapable feeling of equilibrium, of everything and everyone being held in silent, sensationless suspension.
Anything without it-food, sex, whateveris tasteless and sensationless, or worse, actually revolting.