/ Dictionary / Index N nongraded: Meaning and Definition of Find definitions for: non•grad•ed Pronunciation: (non-grā'did), [key] — adj. without grade levels: a nongraded school. without rating grades. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nongonococcal urethritis nongrammatical Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language