/ Dictionary / Index I id est*: Meaning and Definition of Find definitions for: id est Pronunciation: (id est'), [key] — Latin. Latin. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ides -idia Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language