/ Dictionary / Index I irreligious: Meaning and Definition of Find definitions for: ir•re•li•gious Pronunciation: (ir"i-lij'us), [key] — adj. not religious; not practicing a religion and feeling no religious impulses or emotions. showing or characterized by a lack of religion. showing indifference or hostility to religion: irreligious statements. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: irreligious (Thesaurus) irreligion irremeable Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language