/ Dictionary / Index I Irgun: Meaning and Definition of Find definitions for: Ir•gun Pronunciation: (ir-gn'), [key] — n. a militant Zionist underground group, active chiefly during the period (1917–48) of British control by mandate of Palestine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Ir gene Irian Jaya Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language