/ Dictionary / Index N nigrescent: Meaning and Definition of Find definitions for: ni•gres•cent Pronunciation: (nī-gres'unt), [key] — adj. tending toward black; blackish. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nigiri-zushi nigrify Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language