/ Dictionary / Index U undeniable: Meaning and Definition of Find definitions for: un•de•ni•a•ble Pronunciation: (un"di-nī'u-bul), [key] — adj. incapable of being denied or disputed: undeniable evidence of arson. not open to refusal: an undeniable call for help. unquestioned as to quality, merit, etc.; indisputably good: undeniable artistic talent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: undeniable (Thesaurus) undemonstrative undenominational Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language