/ Dictionary / Index T trade unionist: Meaning and Definition of Find definitions for: trade' un'ionist Pronunciation: [key] a member of a trade union. a person who favors or advocates trade unionism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. trade unionism trade wind Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language