/ Dictionary / Index N NREM: Meaning and Definition of Find definitions for: NREM Pronunciation: (en'rem', non'rem'), [key] non-REM; non-rapid eye movement. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nrem (Thesaurus) NRC NREM sleep Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language