/ Dictionary / Index I incontrovertible: Meaning and Definition of Find definitions for: in•con•tro•vert•i•ble Pronunciation: (in"kon-tru-vûr'tu-bul, in-kon"-), [key] — adj. not controvertible; not open to question or dispute; indisputable: absolute and incontrovertible truth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: incontrovertible (Thesaurus) incontrollable inconvenience 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