/ Dictionary / Index I interplay: Meaning and Definition of Find definitions for: in•ter•play Pronunciation: (n.in'tur-plā"v.in"tur-plā', in'tur-plā"), [key] — n. reciprocal relationship, action, or influence: the interplay of plot and character. —v.i. to exert influence on each other. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: interplay (Thesaurus) interplant interplead Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language