/ Dictionary / Index U upsetting moment: Meaning and Definition of Find definitions for: upset'ting mo"ment Pronunciation: [key] — Naval Archit. Naval Archit. the moment of an upsetting couple. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. upsetting lever upshift Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language