say it: sow-THWEST
southwest is a noun, adjective and adverb meaning "the compass point midway between south and west; at 225 degrees". It carries 7 recorded senses.
the compass point midway between south and west; at 225 degrees
the southwestern region of the United States generally including New Mexico, Arizona, Texas, California, and sometimes Utah and Colorado
the direction corresponding to the southwestward compass point
a location in the southwestern part of a country, region, or city
situated in or oriented toward the southwest
to, toward, or in the southwest
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for southwest come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.