/ Dictionary / Index I intr.: Meaning and Definition of Find definitions for: intr. Pronunciation: [key] intransitive. introduce. introduced. introducing. introduction. introductory. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. intoxicative intra- 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