/ Dictionary / Index A atheistic: Meaning and Definition of Find definitions for: a•the•is•tic Pronunciation: (ā"thē-is'tik), [key] — adj. pertaining to or characteristic of atheists or atheism; containing, suggesting, or disseminating atheism: atheistic literature; atheistic people. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: atheistic (Thesaurus) atheist Athel Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language