/ Dictionary / Index I irrespirable: Meaning and Definition of Find definitions for: ir•res•pi•ra•ble Pronunciation: (i-res'pur-u-bul, ir"i-spīr'u-bul), [key] — adj. not respirable; unfit for breathing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. irrespective irresponsible Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language