/ Dictionary / Index I idempotent: Meaning and Definition of Find definitions for: i•dem•po•tent Pronunciation: (ī'dum-pōt'nt, id'um-), [key] — Math. Math. —adj. unchanged when multiplied by itself. —n. an idempotent element. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: idempotent (Thesaurus) idem identic 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