/ Dictionary / Index H hyperinflation: Meaning and Definition of Find definitions for: hy•per•in•fla•tion Pronunciation: (hī"pur-in-flā'shun), [key] — n. extreme or excessive inflation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hyperinflate hyperinsulinism Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language