/ Dictionary / Index L labor unionist: Meaning and Definition of Find definitions for: la'bor un"ionist Pronunciation: [key] unionist (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. labor union labour Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language