/ Dictionary / Index U UV: Meaning and Definition of Find definitions for: UV Pronunciation: [key] ultraviolet. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: uv (Thesaurus) UUM Uvalde Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language