undefined

adjective

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

Examples of undefined in a Sentence

plagued by undefined worries that kept her awake at night
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
However, with the Niners’ defense undefined and its defensive line play underwhelming, San Francisco cannot afford to be a mediocre offense in the second half of the season. Dieter Kurtenbach, The Mercury News, 9 Nov. 2024 The costume is perfect for a group of three, especially one with undefined relationships to one another. Chiara Kim, People.com, 23 Oct. 2024 Where an undefined relationship leads to unmet expectations and confusion, an unfunded trust creates a false sense of security. Ashley Case, Forbes, 16 Oct. 2024 When her husband unexpectedly cancels plans to drive Mara to a conference out of town, Matt accompanies her instead and the pressure in their undefined relationship slowly builds. Jill Goldsmith, Deadline, 13 Sep. 2024 See all Example Sentences for undefined 

Word History

First Known Use

1611, in the meaning defined above

Time Traveler
The first known use of undefined was in 1611

Dictionary Entries Near undefined

Cite this Entry

“Undefined.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undefined. Accessed 1 Dec. 2024.

More from Merriam-Webster on undefined

Last Updated: - Updated example sentences
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