/ Dictionary / Index I irrepressible: Meaning and Definition of Find definitions for: ir•re•press•i•ble Pronunciation: (ir"i-pres'u-bul), [key] — adj. incapable of being repressed or restrained; uncontrollable: irrepressible laughter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: irrepressible (Thesaurus) irreplevisable irreproachable 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