/ Dictionary / Index A atavistic: Meaning and Definition of Find definitions for: at•a•vis•tic Pronunciation: (at"u-vis'tik), [key] — adj. of, pertaining to, or characterized by atavism; reverting to or suggesting the characteristics of a remote ancestor or primitive type. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: atavistic (Thesaurus) atavism ataxia Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language