/ Dictionary / Index T thriller: Meaning and Definition of Find definitions for: thrill•er Pronunciation: (thril'ur), [key] — n. a person or thing that thrills. an exciting, suspenseful play or story, esp. a mystery story. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: thriller (Thesaurus) thrill thrilling Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language