/ Thesaurus / N Synonyms of noncitizen Find synonyms for: Noun1. foreigner, alien, noncitizen, outlander, traveler, travellerusage: a person who comes from a foreign country; someone who does not owe allegiance to your countryWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language