/ Dictionary / Index D deniable: Meaning and Definition of Find definitions for: de•ni•a•ble Pronunciation: (di-nī'u-bul), [key] — adj. capable of being or liable to be denied or contradicted. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: deniable (Thesaurus) deniability denial Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language