Coldsleep

noun, verb

noun, verb ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A deep sleep during which the body is stored at very cold temperature, to preserve it; cryogenic sleep. uncountable

    "By converting some of the recreation space to storerooms and adapting the storerooms thus cleared to the purpose of cold-sleep, the ship was roomy enough."

Verb
  1. 1
    To experience deep sleep whilst the body is stored at a very cold temperature; to engage in cryogenic sleep.

    "Damnation, he was quite capable of refusing to let me cold-sleep."

Example

More examples

"By converting some of the recreation space to storerooms and adapting the storerooms thus cleared to the purpose of cold-sleep, the ship was roomy enough."

Etymology

From cold + sleep.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.