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.

---

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)

---

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.

---

Other Word Forms

• South Dakotan
  adjective

Example Sentences

See Examples For:

South Dakota

When a bat tested positive for rabies in Jewel Cave National Monument in South Dakota on July 29, officials released a statement about two weeks later.

From Los Angeles Times ● Sep. 4, 2026

It is managed by the US Department of Energy's Sanford Underground Research Facility in South Dakota - the deepest laboratory in the US at nearly a mile beneath the ground.

From BBC ● Sep. 2, 2026

Nebraska and South Dakota joined, and eventually Arkansas, Iowa, Mississippi and Oklahoma also agreed to the terms.

From The Wall Street Journal ● Aug. 24, 2026

Years later, Iyengar took another look at data he had collected with Manoj Tripathi, a co-corresponding author with the University of Sussex and now at South Dakota Mines.

From Science Daily ● Aug. 17, 2026

In Leadville, South Dakota, there was a saloon for every one hundred residents.

From "1919 The Year That Changed America" by Martin W. Sandler