Breadcrumb Home > Dictionary > Index J Cite jactitation: Meaning and Definition of Find definitions for: jac•ti•ta•tion Pronunciation: ( jak"ti-tā'shun), [key] — n. a false boast or claim that causes injury to another. jactation (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: jactitation (Thesaurus) jactation jaculate TrendingHere are the facts and trivia that people are buzzing about. January 2021 Current Events: US News Noble Titles and Ranks in a Monarchy Chinese New Year History, Meaning, and Celebrations The Manchu The 5 Best Air Purifiers of 2020 Inaugural Trivia Related Content Daily Word Quiz: umbrage Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language