/ Dictionary / Index I internationalist: Meaning and Definition of Find definitions for: in•ter•na•tion•al•ist Pronunciation: (in"tur-nash'u-nl-ist), [key] — n. an advocate of internationalism. an expert in international law and relations. (cap.) a member or adherent of a communist or socialist International. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: internationalist (Thesaurus) internationalism internationalize Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language