/ Dictionary / Index R relativist: Meaning and Definition of Find definitions for: rel•a•tiv•ist Pronunciation: (rel'u-tu-vist), [key] — n. an adherent or advocate of relativism or of the principle of relativity. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. relativism relativistic Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language