/ Dictionary / Index N nightclothes: Meaning and Definition of Find definitions for: night•clothes Pronunciation: (nīt'klōz", -klōz"), [key] — n.pl. garments for wearing in bed, as pajamas or nightgowns. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nightclothes (Thesaurus) nightcap nightclub Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language