Breadcrumb Home > Dictionary > Index U upthrow: Meaning and Definition of Find definitions for: up•throw Pronunciation: (n.up'thrō"v.up&sylpthrō'), [key] — n., v., -threw, -thrown, -throw•ing. —n. an upheaval, as of the earth's surface. an upward displacement of rock on one side of a fault. —v.t. to throw or cast up or upward. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: upthrow (Thesaurus) up-tempo upthrust 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: pecuniary Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language