/ Dictionary / Index S scenarist: Meaning and Definition of Find definitions for: sce•nar•ist Pronunciation: (si-nâr'ist, -när'-), [key] — n. a writer of motion-picture or television scenarios. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: scenarist (Thesaurus) scenario scend Related Content Daily Word Quiz: ingenuity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language