/ Dictionary / Index I init.: Meaning and Definition of Find definitions for: init. Pronunciation: [key] initial. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. iniquity initial Related Content Daily Word Quiz: designate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language