undetermined

adjective

un·​de·​ter·​mined ˌən-di-ˈtər-mənd How to pronounce undetermined (audio)
-dē-
Synonyms of undeterminednext
: not definitely or authoritatively decided, settled, or identified : not determined
an undetermined boundary
an undetermined species
at an as yet undetermined time
an undetermined number of people

Examples of undetermined in a Sentence

an undetermined form seen only from a distance the fate of the prisoners is still undetermined
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.
Busch, who tragically died at 41 on Thursday from an undetermined illness, turned in a valiant effort in 2014, finishing sixth in the Indy 500 despite having limited experience in IndyCar. Steve Henson, Los Angeles Times, 22 May 2026 Because 4/22 is expected to be shut down for an undetermined amount of time, all air traffic now has to land and take off at Runway 13/31. Jeff Capellini, CBS News, 20 May 2026 Mauro, 35, died on April 23, but the cause of his death was undetermined at the time. Zach Powell, New York Times, 16 May 2026 Preseason Kickoff times and dates are undetermined for the 49ers’ first and final preseason games. Chris Biderman, Sacbee.com, 14 May 2026 See All Example Sentences for undetermined

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of undetermined was in the 15th century

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Cite this Entry

“Undetermined.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undetermined. Accessed 27 May. 2026.

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