/ Thesaurus / S Synonyms of southwestern Find synonyms for: Noun1. Southwestern, West Saxon, Middle Englishusage: a dialect of Middle EnglishAdjective1. southwest, southwestern, southwesterly, south (vs. north)usage: situated in or oriented toward the southwest2. southwestern, western (vs. eastern)usage: of a region of the United States generally including New Mexico; Arizona; Texas; California; and sometimes Nevada; Utah; ColoradoWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language