/ Dictionary / Index E evidentiary: Meaning and Definition of Find definitions for: ev•i•den•tia•ry Pronunciation: (ev"i-den'shu-rē), [key] — adj. evidential. pertaining to or constituting evidence. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: evidentiary (Thesaurus) evidential evidently Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language