/ Thesaurus / R Synonyms of rem sleep Find synonyms for: Noun1. paradoxical sleep, rapid eye movement sleep, REM sleep, rapid eye movement, REM, sleep, slumberusage: a recurring sleep state during which dreaming occurs; a state of rapidly shifting eye movements during sleepWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: coincidence Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language