the GNU version of the Collaborative International Dictionary of English
n. The state or quality of being insentient; lacking consciousness or ability to perceive sensations.
The Century Dictionary and Cyclopedia
n. Unconsciousness; lack of sensation.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. lacking consciousness or ability to perceive sensations
Word Usage
"But just at the point where you thought you had mastered insentience, something occurred to remind you that you were still fully human, no matter what you'd previously thought."