Oklahoma

American  

[oh-kluh-hoh-muh] / ˌoʊ kləˈhoʊ mə /

noun

1. a state in the south central United States. 69,919 square miles (181,090 square kilometers). Oklahoma City. OK (for use with zip code), Okla.

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Oklahoma British  

/ ˌəʊkləˈhəʊmə /

noun

1. Abbreviation: Okla..   OK.  a state in the S central US: consists of plains in the west, rising to mountains in the southwest and east; important for oil. Capital: Oklahoma City. Pop: 3 511 532 (2003 est). Area: 181 185 sq km (69 956 sq miles)

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Oklahoma! ¹ Cultural  

1. A musical comedy by Richard Rodgers and Oscar Hammerstein II. It began a new era of sophistication in musical comedy and was the first of several very successful Rodgers and Hammerstein shows. “Oh, What a Beautiful Morning,” “Oklahoma,” and “People Will Say We're in Love” are songs from Oklahoma!

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Oklahoma ² Cultural  

1. State in the southwestern United States, bordered by Colorado and Kansas to the north, Missouri and Arkansas to the east, Texas to the south, and New Mexico to the west. Its capital and largest city is Oklahoma City.

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Other Word Forms

• Oklahoman adjective

Etymology

Origin of Oklahoma

First recorded in 1895–1900; from Choctaw Oklahommaʔ “Indian (i.e., North American Indian)”, equivalent to oklah “people, nation” + ommaʔ “red,” coined by the Choctaw scholar and Presbyterian minister Allen Wright (1826–85), later principal chief of the Choctaw Nation (1866–70), and originally applied to the Indian Territory; Five Civilized Nations ( def. ), Indian Territory ( def. )

Example Sentences

Oklahoma, as noted above, has settled its case with the DOJ.

From Salon • Apr. 3, 2026

The Oklahoma City Thunder condemned the Los Angeles Lakers to one of the heaviest defeats in their history - one made more painful by an injury to star Luka Doncic.

From BBC • Apr. 3, 2026

The virtual ticket box opens April 2 for locals in Southern California and Oklahoma.

From Los Angeles Times • Mar. 30, 2026

Following the win, Rivian executives are eyeing other states that, like Washington, ban direct sales but also allow ballot initiatives: Arkansas, Ohio, Oklahoma, Montana, Nebraska and South Dakota.

From The Wall Street Journal • Mar. 28, 2026

I know it’s crazy that the kid in Oklahoma on welfare who barely spoke English at first used to be a prince.

From "Everything Sad Is Untrue" by Daniel Nayeri