having a low temperature, especially when compared with the human body

chilly, freezing

without ability to feel or move (because of something)

deadened, insensitive

not easily bent or changed in shape; hard to stir, work, move etc; formal, unfriendly; thoroughly; a dead body

hard, inflexible

not conscious (all senses); that part of one's mental activity of which one is not aware, but which can be detected and understood through the skilled analysis of dreams, behaviour etc

not awake; out cold