the GNU version of the Collaborative International Dictionary of English
n. Loss of motion, or of the motion; a state of inactivity with partial or total insensibility; numbness.
n. Dullness; sluggishness; inactivity.
The Century Dictionary and Cyclopedia
n. Loss of motion or sensibility; numbness or inactivity of mind or body; torpidity; torpidness; dormancy; apathy; stupor: as, the torpor of a hibernating animal; the torpor of intoxication or of grief.
n. Dullness; sluggishness; apathy; stupidity.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a state of motor and mental inactivity with a partial suspension of sensibility
n. inactivity resulting from lethargy and lack of vigor or energy
Word Usage
"Hibernation: Each winter bears enter a sluggish state called torpor, which is not true hibernation."