/ Dictionary / Index N nonperforming: Meaning and Definition of Find definitions for: non•per•form•ing Pronunciation: (non"pur-fôr'ming), [key] — adj. not performing well or properly. noting or pertaining to a debt on which interest payments have been missed or slow, or for which the interest rate has been voluntarily lowered: the rise in nonperforming loans. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nonperformer nonperishable 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