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

Recent Examples on the Web His role in the offense is still undefined, his shot still not consistently there. Dan Woike, Los Angeles Times, 17 Apr. 2024 San Diego enacted specific performance measures in eight of the 14 projects reviewed; the other projects had undefined goals or no goals at all. Jeff McDonald, San Diego Union-Tribune, 10 Apr. 2024 After the viewing, delve into a 45-minute chat with undefined, an astrologer, to explore the astrological implications of the eclipse and get insights into your cosmic blueprint. The Arizona Republic, 29 Mar. 2024 The exact date of this night is undefined but is believed to fall during an odd-numbered night. The Enquirer, 7 Mar. 2024 Then there was the undefined femininity of baby doll dresses with a t-shirt underneath or cropped cardigans with pleated skirts—think Cher Horowitz in Clueless or Kelly Taylor in Beverly Hills, 90210. Lauren Brown West-Rosenthal, Parents, 3 Apr. 2024 The tax revenue would go to help pay an as-yet undefined portion of the cost for a new Royals ballpark in the Crossroads Arts District near downtown, as well as more than half of the cost of renovating Arrowhead Stadium. Mike Hendricks, Kansas City Star, 5 Mar. 2024 Avoid granting overly broad or undefined powers that could increase the risk of legal challenges or conflicts with trustees and beneficiaries. Matthew Erskine, Forbes, 16 Feb. 2024 At a time when hiring is harder than ever (there are 12.1 million open US jobs right now) and the future of work is still undefined, today’s layoff epidemic is sabotaging tomorrow's performance. Ann Kowal Smith, Forbes, 13 Feb. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'undefined.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 26 Apr. 2024.

More from Merriam-Webster on undefined

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!