/ Dictionary / Index I irrelevance: Meaning and Definition of Find definitions for: ir•rel•e•vance Pronunciation: (i-rel'u-vuns), [key] — n. the quality or condition of being irrelevant. an irrelevant thing, act, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: irrelevance (Thesaurus) irrelative irrelevancy 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