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

That’s true of a new South Dakota law, currently being challenged in federal court, that covers what it frames as illegal advertising.

From Slate ● Jul. 22, 2026

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

From BBC ● Jul. 11, 2026

Rate filings aren’t yet public in South Dakota.

From The Wall Street Journal ● Jul. 8, 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

In one South Dakota community, however, the local operator believed the Martians had invaded.

From "Spooked!" by Gail Jarrow