/ Dictionary / Index I irritative: Meaning and Definition of Find definitions for: ir•ri•ta•tive Pronunciation: (ir'i-tā"tiv), [key] — adj. serving or tending to irritate. characterized or produced by irritation of some body part: an irritative fever. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: irritative (Thesaurus) irritation irrorate 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