/ Dictionary / Index N nightdress: Meaning and Definition of Find definitions for: night•dress Pronunciation: (nīt'dres"), [key] — n. nightclothes. a nightgown. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nightdress (Thesaurus) night crawler night editor Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language