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

Read More undefined Two weeks later, Longjaw couldn’t find his Thunderbird, a citrus wine fortified with brandy that often sold for a dollar or two a bottle. Jayme Fraser, The Malheur Enterprise, idahostatesman, "Doctors warned that Oregon killer, rapist would attack again. The state released him. | Idaho Statesman," 6 May 2018 But the path forward for the party on their signature issue is surprisingly undefined. Dylan Scott, Vox, "What the new Democratic House majority might actually pass on health care," 7 Nov. 2018 And with a government in the undefined near future embracing nationalistic policies and suppressing its citizens’ language, the novel feels disturbingly contemporary. Constance Grady, Vox, "We read all 25 National Book Award finalists for 2018. Here’s what we thought.," 15 Nov. 2018 With a safari hunter’s zeal, Righeimer essentially killed the project by attempting to require from the applicant a refundable deposit of $625,000 to the city for an undefined parking structure to secure his vote. Jeffrey Harlan, latimes.com, "Costa Mesa City Council majority got it wrong by denying Plant project," 10 July 2018 Like many of her predecessors, Mrs. Trump has felt great pressure to live up to the endless and undefined expectations that accompanies the archaic position of First Lady. Kate Andersen Brower, Glamour, "First Ladies Usually Get Their Moment in the SOTU Speech; Last Night, Melania Didn’t," 31 Jan. 2018 The Gambrell Foundation has also signed on to pay for a yet-undefined new push to support the social and emotional needs of students in Project LIFT schools. Ann Doss Helms, charlotteobserver, "Despite controversy, donors pledge another $6.5 million for west Charlotte schools," 31 May 2018 Read More undefined Anyone with information is asked to call Treasure Island police at 727-547-4595. Carli Teproff, miamiherald, "He’s not your average dog. Nor is his disappearance.," 12 July 2018 Powell kept at work behind the scenes as a very public debate churned over the role of the federal government in the still largely undefined areas of science. Johnforristerross, Longreads, "Taming the Great American Desert," 2 July 2018

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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Statistics for undefined

Last Updated

26 Mar 2019

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Time Traveler for undefined

The first known use of undefined was in 1611

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More Definitions for undefined



English Language Learners Definition of undefined

: not shown or described clearly

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More from Merriam-Webster on undefined

Thesaurus: All synonyms and antonyms for undefined

Spanish Central: Translation of undefined

Britannica English: Translation of undefined for Arabic Speakers

Comments on undefined

What made you want to look up undefined? Please tell us where you read or heard it (including the quote, if possible).


an act or instance of returning to life

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