Southwest (Adjective) — Situated in or oriented toward the southwest.
Southwest (Adjective) — Coming from the southwest. ex. "the winds are southwest"
Southwest (Noun) — The southwestern region of the United States generally including New Mexico, Arizona, Texas, Nevada, California, and sometimes Utah and Colorado.
Southwest (Noun) — The compass point midway between south and west; at 225 degrees.
Southwest (Noun) — The direction corresponding to the southwestward compass point.
Southwest (Noun) — A location in the southwestern part of a country, region, or city.
Southwest (Adverb) — To, toward, or in the southwest.