/ Dictionary / Index R running joke: Meaning and Definition of Find definitions for: run'ning joke' Pronunciation: [key] a joke or humorous allusion used recurrently in a play, film, television skit, etc., for a cumulative comic effect. a subject, reference, remark, etc., that is a continual source of humor. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. running head running knot Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language