/ Thesaurus / S Synonyms of st. lucia Find synonyms for: Noun1. Saint Lucia, St. Luciausage: a country on the island of Saint Lucia; gained independence from Great Britain in 19792. Saint Lucia, St. Luciausage: a volcanic island in the Windward Isles to the south of MartiniqueWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language