Breadcrumb Home > Dictionary > Index J jounce: Meaning and Definition of Find definitions for: jounce Pronunciation: ( jouns), [key] — v., n. jounced, jounc•ing, —v.t., v.i. to move joltingly or roughly up and down; bounce. —n. a jouncing movement. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: jounce (Thesaurus) Joule-Thomson effect jour. TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: meretricious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language