/ Dictionary / Index N nonunionism: Meaning and Definition of Find definitions for: non•un•ion•ism Pronunciation: (non-yn'yu-niz"um), [key] — n. disregard of or opposition to trade unions. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nonunion nonunion shop 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