/ Thesaurus / T Synonyms of tax haven Find synonyms for: Noun1. tax haven, country, state, landusage: a country or independent region where taxes are lowWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language