/ Thesaurus / A Synonyms of au pair Find synonyms for: Noun1. au pair, foreigner, alien, noncitizen, outlanderusage: a young foreigner who lives with a family in return for doing light houseworkWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language