/ Dictionary / Index U unforgiving: Meaning and Definition of Find definitions for: un•for•giv•ing Pronunciation: (un"fur-giv'ing), [key] — adj. not disposed to forgive or show mercy; unrelenting. not allowing for mistakes, carelessness, or weakness: the unforgiving nature of aviation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unforgiving (Thesaurus) unforgettable unformatted Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language