Breadcrumb Home > Dictionary > Index T thing-in-itself: Meaning and Definition of Find definitions for: thing-in-it•self Pronunciation: (thing"in-it-self'), [key] — pl. things-in-them•selves reality as it is apart from experience; what remains to be postulated after space, time, and all the categories of the understanding are assigned to consciousness. Cf.(def. 3). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: thing-in-itself (Thesaurus) T hinge thingness TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: nonpareil Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language