Breadcrumb Home > Dictionary > Index J Cite 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. January 2021 Current Events: US News The Holocaust (1933–1945) Chinese New Year History, Meaning, and Celebrations Noble Titles and Ranks in a Monarchy The 5 Best Air Purifiers of 2020 Inaugural Trivia Related Content Daily Word Quiz: subrosa Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language