un·​de·​fined | \ ˌən-di-ˈfīnd How to pronounce undefined (audio) \

Definition of undefined

: not defined: such as
a : not clearly or precisely shown, described, or limited undefined rules undefined powers a vague, undefined feeling of dread … the true outlines of Clinton's foreign policy remain undefined.— William Greider
b : not provided with a definition an undefined dictionary entry

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Examples of undefined in a Sentence

Recent Examples on the Web With the parameters deliberately left undefined, outcomes were also uncertain. Peter Hessler, The New Yorker, 9 May 2022 The frogs were marked as undefined species in the Craugastor genus. Elizabeth Gamillo, Smithsonian Magazine, 6 May 2022 Luciana is still essentially an undefined character. Erik Kain, Forbes, 2 May 2022 The rest of her hair flowed around her in undefined curls that have just the right amount of frizz. Gabi Thorne, Allure, 2 May 2022 The only thing anchoring Alice to the world is her addictive, undefined project. Hua Hsu, The New Yorker, 29 Apr. 2022 As the proverbial woman behind the most powerful man on earth, the first lady plays an often undefined role as political ally, emissary, hostess and, in some cases, arbiter of style. Cathy Whitlock, The Hollywood Reporter, 27 Apr. 2022 As well as upgrading the neutrino beam and detector size, the second phase also leaves two of DUNE’s four modules undefined —and fresh ideas are welcome. Thomas Lewton, Scientific American, 13 Apr. 2022 On March 24, President Biden vowed to receive up to 100,000 Ukrainians displaced by the war over an undefined time period. Camilo Montoya-galvez, CBS News, 11 Apr. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'undefined.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of undefined

1611, in the meaning defined above

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Time Traveler for undefined

Time Traveler

The first known use of undefined was in 1611

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Last Updated

15 May 2022

Cite this Entry

“Undefined.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undefined. Accessed 23 May. 2022.

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More from Merriam-Webster on undefined

Britannica English: Translation of undefined for Arabic Speakers


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