/ Dictionary / Index R referential: Meaning and Definition of Find definitions for: ref•er•en•tial Pronunciation: (ref"u-ren'shul), [key] — adj. having reference: referential to something. containing a reference. used for reference. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: referential (Thesaurus) referent referral Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language