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.
The Bureau of Alcohol, Tobacco, and Firearms (ATF) ruled the fire accidental and declared the cause of the fire undetermined. Tara Lynch, CBS News, 14 Apr. 2026 Then that date was postponed to an as-yet-undetermined date in the future. India Roby, Architectural Digest, 8 Apr. 2026 The cause of the fire remains under investigation, Rittman said, and is currently undetermined. Laura Bauer, Kansas City Star, 7 Apr. 2026 The remaining $75 million — for Roy Wilkins Auditorium — would come from an as-yet-undetermined source. Frederick Melo, Twin Cities, 5 Apr. 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 18 Apr. 2026.

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