/ Dictionary / Index I inestimable: Meaning and Definition of Find definitions for: in•es•ti•ma•ble Pronunciation: (in-es'tu-mu-bul), [key] — adj. incapable of being estimated or assessed. too large or great to be estimated or appreciated: The flood caused inestimable damage. of incalculable value; valuable beyond measure; priceless: jewels of inestimable worth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: inestimable (Thesaurus) inessive inevitable Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language