/ Thesaurus / F Synonyms of foreign legion Find synonyms for: Noun1. foreign legion, legionusage: a military unit composed of foreign volunteers who serve the stateWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language