/ Dictionary / Index I irreproachable: Meaning and Definition of Find definitions for: ir•re•proach•a•ble Pronunciation: (ir"i-prō'chu-bul), [key] — adj. not reproachable; free from blame. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: irreproachable (Thesaurus) irrepressible irreproducible 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