[ oh-kluh-hoh-muh ]
/ ˌoʊ kləˈhoʊ mə /
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a state in the south central United States. 69,919 square miles (181,090 square kilometers). Capital: Oklahoma City. Abbreviations: OK (for use with zip code), Okla.
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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, Indian Territory


O·kla·ho·man, adjective, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use Oklahoma in a sentence

British Dictionary definitions for Oklahoma

/ (ˌəʊkləˈhəʊmə) /

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)Abbreviation: Okla., (with zip code) OK
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cultural definitions for Oklahoma (1 of 2)


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!

Cultural definitions for Oklahoma (2 of 2)


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.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.