/ Thesaurus / L Synonyms of louis iv Find synonyms for: Noun1. Louis IV, Louis d'Outremerusage: king of France (921-954)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language