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• Oklahoma
  Oklahoma

  noun

  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.
• Oklahoma!
  Oklahoma!

  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!

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

Derived 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; see Five Civilized Nations ( def. ), Indian Territory ( def. )

Example Sentences

“We are heartbroken over the passing of Stacey King, a true Oklahoma legend,” current Sooners coach Porter Moser said in a statement.

From Los Angeles Times • Jun. 8, 2026

More than half of them were Black men; nearly all of them were put to death in Florida, Oklahoma, or Texas.

From Slate • Jun. 8, 2026

Pitcher, Peyton May, Norco, Sr.: The Oklahoma State commit went 12-1 with 130 strikeouts in 83 innings.

From Los Angeles Times • Jun. 7, 2026

He’d put up outrageous stat lines and even more absurd highlights while knocking off the defending-champion Oklahoma City Thunder in the conference finals.

From The Wall Street Journal • Jun. 6, 2026

In Oklahoma, when people from church come to our apartment, they don’t ask if they should take their shoes off.

From "Everything Sad Is Untrue" by Daniel Nayeri