Noun

• S: (n) southwest, sou'-west, southwestward, SW (the compass point midway between south and west; at 225 degrees)
• S: (n) Southwest, southwestern United States (the southwestern region of the United States generally including New Mexico, Arizona, Texas, California, and sometimes Utah and Colorado)
• S: (n) southwest (the direction corresponding to the southwestward compass point)
• S: (n) southwest (a location in the southwestern part of a country, region, or city)

Adjective

• S: (adj) southwesterly, southwest (coming from the southwest) "the winds are southwesterly"
• S: (adj) southwest, southwestern, southwesterly (situated in or oriented toward the southwest)

Adverb

• S: (adv) southwest, south-west, sou'west (to, toward, or in the southwest)