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

Derived Forms

• South Dakotan
  adjective

Example Sentences

In written testimony, Glynn shared his experience hearing about young women performing illegal abortions when he was a freshman at the University of South Dakota in 1966.

From Salon • Jun. 8, 2026

The primaries Tuesday in California, Iowa, Montana, New Jersey, South Dakota and New Mexico provide insight into how the midterms are shaping up.

From The Wall Street Journal • Jun. 3, 2026

They went to South Dakota to ride out the apocalypse at a ‘5-star’ bunker compound.

From The Wall Street Journal • May 28, 2026

Noem, who is also a former South Dakota governor, was eating at the popular Capital Burger restaurant with her handbag underneath her seat when he took it, the BBC's US partner CBS reported.

From BBC • Apr. 22, 2026

Places as far away as South Dakota reported ashfall from the cloud.

From "Mountain of Fire" by Rebecca E. F. Barone