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

This is South Dakota - Badlands country - where Gus was eventually discovered 67 million years after roaming our planet.

From BBC • Jul. 11, 2026

Dr. Andrea Brickey, Connot's advisor and a professor in the Department of Mining Engineering and Management at South Dakota Mines, praised both the research and the persistence behind it.

From Science Daily • Jul. 6, 2026

Valued at between $20 million to $30 million -- the highest price estimate ever for a dinosaur -- the giant fossil was discovered on a cattle ranch in South Dakota in 2021.

From Barron's • Jul. 1, 2026

The blast sent fallout as far away as South Dakota, and exposed more than 13 million Americans to radiation.

From The Wall Street Journal • Jun. 21, 2026

The big John Deere 8020 squats silently in the canted evening light, a long way from anywhere, surrounded by a half-mowed field of South Dakota milo.

From "Into the Wild" by Jon Krakauer