/ Dictionary / Index U uh-oh: Meaning and Definition of Find definitions for: uh-oh Pronunciation: (u'ō"), [key] (used to indicate concern or chagrin at a mildly unfortunate event). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Uhland UHT Related Content Daily Word Quiz: inane Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language