southwestern

adjective

south·​west·​ern sau̇(th)-ˈwe-stərn How to pronounce southwestern (audio)
1
: lying toward or coming from the southwest
2
often Southwestern : of, relating to, or characteristic of a region conventionally designated Southwest
southwesternmost adjective

Examples of southwestern in a Sentence

Recent Examples on the Web
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Next, find the Ritter and Sabine craters to the southwestern edge of the lunar sea. Anthony Wood, Space.com, 25 Apr. 2026 Historically, Biarritz—a small seaside hamlet on France’s southwestern coast—has closely competed with its eastern neighbors on the Med. Monica Mendal, Vogue, 24 Apr. 2026 Vance Air Force Base, in the southwestern part of Enid, was closed due to issues with power and water restoration. Samantha Agate, Charlotte Observer, 24 Apr. 2026 Vance Air Force Base, in the southwestern part of Enid, sat right at the tornado’s edge. Samantha Agate, Fort Worth Star-Telegram, 24 Apr. 2026 See All Example Sentences for southwestern

Word History

Etymology

Middle English, from Old English sūth-westerne, from sūth south + westerne western

First Known Use

before the 12th century, in the meaning defined at sense 1

Time Traveler
The first known use of southwestern was before the 12th century

Cite this Entry

“Southwestern.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/southwestern. Accessed 29 Apr. 2026.

Kids Definition

southwestern

adjective
south·​west·​ern sau̇(th)-ˈwes-tərn How to pronounce southwestern (audio)
1
: lying toward or coming from the southwest
2
often capitalized : of, relating to, or characteristic of the Southwest

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