South Dakota

American  

noun

1. a state in the northern central United States: a part of the Midwest. 77,047 sq. mi. (199,550 sq. km). Pierre. SD (for use with zip code), S. Dak.

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South Dakota British  

noun

1. Abbreviation: S. Dak.   SD.  a state of the western US: lies mostly in the Great Plains; the chief US producer of gold and beryl. Capital: Pierre. Pop: 764 309 (2003 est). Area: 196 723 sq km (75 955 sq miles)

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South Dakota Cultural  

1. State in the north-central United States bordered by North Dakota to the north, Minnesota and Iowa to the east, Nebraska to the south, and Wyoming and Montana to the west. Its capital is Pierre, and its largest city is Sioux Falls.

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Other Word Forms

• South Dakotan adjective

Example Sentences

Senate Majority Leader John Thune, a South Dakota Republican, told reporters late Monday that discussions “have been very positive and productive, and hopefully headed in the right direction.”

From MarketWatch • Mar. 24, 2026

It was a “serendipitous” win for a constituency that had not quite consolidated, said Ann Tweedy, a professor at the University of South Dakota School of Law, who has studied polyamory from a legal perspective.

From Los Angeles Times • Mar. 18, 2026

Mullin replaces former South Dakota governor Kristi Noem as head of DHS, the agency tasked with carrying out the president's sweeping immigration crackdown.

From Barron's • Mar. 5, 2026

He’s been the majority whip and very nearly became the majority leader in 2024, losing only to Sen. John Thune of South Dakota by 5 votes.

From Salon • Mar. 4, 2026

I made friends with guys from places I had never heard of: Kentucky, Louisiana, North and South Dakota, and other states.

From "The Boy on the Wooden Box" by Leon Leyson