Meanings
- USA geographic and cultural region of the United States that includes Arizona and New Mexico, along with adjacent portions of California, Colorado, Nevada, Oklahoma, Texas, and Utah.
Synonyms: American Southwest, Desert Southwest, Southwest
Synonyms & antonyms
proper nounA geographic and cultural region of the United States that includes Arizona and New Mexico, along with adjacent portions of California, Colorado, Nevada, Oklahoma, Texas, and Utah.
Cite this entry
Southwestern United States. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Southwestern%20United%20States
“Southwestern United States.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Southwestern%20United%20States. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “Southwestern United States,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Southwestern%20United%20States.
Source: Southwestern United States on Wiktionary, CC BY-SA 4.0.