1
: lying toward or coming from the southwest
2
often Southwestern : of, relating to, or characteristic of a region conventionally designated Southwest

Examples of southwestern in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Evacuation boats are operating from three piers on the peninsula, which is situated about 70 kilometers (43 miles) west of Bordeaux in southwestern France, the province’s prefect, Sophie Brocas, said Friday morning. Issy Ronald, CNN Money, 24 July 2026 Beijing -- Teams searching the rubble of last week's landslide in the southwestern Chinese city of Chongqing found three additional bodies in recent days, bringing the death toll to 11 with 50 people still missing, Chinese authorities said Thursday. ABC News, 23 July 2026 Tropical storm conditions are possible along Louisiana's southwestern coast and on the upper Texas coast. Doyle Rice, USA Today, 22 July 2026 Forecasters extended a tropical storm watch for westward along the extreme southwestern Louisiana and upper Texas Coasts. Miami Herald Hurricane Bot, Miami Herald, 22 July 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 25 Jul. 2026.

Kids Definition

southwestern

adjective
1
: lying toward or coming from the southwest
2
often capitalized : of, relating to, or characteristic of the Southwest

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