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.
But, while the exact cause remains undetermined, it is suspected to be related to construction work in the home, the release said. Pioneer Press, Chicago Tribune, 3 Apr. 2026 The deaths came fewer than 24 hours after an Indonesian peacekeeper was killed and three others wounded when a projectile, also of undetermined origin, exploded near a UNIFIL position in a southern Lebanese village. Lucia I Suarez Sang, CBS News, 31 Mar. 2026 As of Tuesday, March 31, Kinney's cause of death is undetermined. Saleen Martin, USA Today, 31 Mar. 2026 That worse-case scenario aside, there has been undetermined damage to global energy supplies that has only begun to be felt, analysts say. Rob Wile, NBC news, 30 Mar. 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 5 Apr. 2026.

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