/ Dictionary / Index N nonperformer: Meaning and Definition of Find definitions for: non•per•form•er Pronunciation: (non"pur-fôr'mur), [key] — n. a person or thing that is not performing well or properly. a person who does not perform, esp. on stage or before a camera, as a crew member of a stage production. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nonperformance nonperforming Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language