/ Thesaurus / E Synonyms of eternal sleep Find synonyms for: Noun1. rest, eternal rest, sleep, eternal sleep, quietus, deathusage: euphemisms for death (based on an analogy between lying in a bed and in a tomb); "she was laid to rest beside her husband"; "they had to put their family pet to sleep"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language