/ Thesaurus / F Synonyms of french foreign legion Find synonyms for: Noun1. French Foreign Legion, foreign legionusage: a former foreign legion in the French army that was used for military duties outside of FranceWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language