Southwestern United States

proper noun

A 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.

Similar
American SouthwestDesert SouthwestSouthwest
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Meanings

proper nounthe Southwestern United States
  1. 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.

Similar
American SouthwestDesert SouthwestSouthwest
Also see
american southwestdesert southwestsouthwest
Cite this entry
APA

Southwestern United States. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Southwestern%20United%20States

MLA

“Southwestern United States.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Southwestern%20United%20States. Accessed November 5, 2026.

Chicago

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.