Breadcrumb Home > Dictionary > Index U upsetting lever: Meaning and Definition of Find definitions for: upset'ting lev"er Pronunciation: [key] — Naval Archit. Naval Archit. the horizontal distance between the center of gravity, acting downward, and the center of buoyancy, acting upward, when they are so placed as to form a couple tending to capsize the boat. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. upsetting upsetting moment 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: anomie Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language