/ Dictionary / Index U upsetting: Meaning and Definition of Find definitions for: up•set•ting Pronunciation: (up-set'ing), [key] — adj. tending to disturb or upset: an upsetting experience. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: upsetting (Thesaurus) upset price upsetting lever 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