/ Dictionary / Index N nonjoinder: Meaning and Definition of Find definitions for: non•join•der Pronunciation: (non-join'dur), [key] — n. Law. omission to join, as of a person who should have been a party to an action. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nonissue nonjudgmental Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language