/ Dictionary / Index I irrefragable: Meaning and Definition of Find definitions for: ir•ref•ra•ga•ble Pronunciation: (i-ref'ru-gu-bul), [key] — adj. not to be disputed or contested. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. irreformable irrefrangible Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language