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.
That money is meant to come from a mix of new local taxes in Lake and Porter Counties, according to the Indiana Capital Chronicle, as well as an as-yet undetermined amount from a $700 million fund from the Indiana Toll Road's private operator. Sara Tenenbaum, CBS News, 23 June 2026 The cause of the duck's death is undetermined but sparked concern from onlookers. Michelle Del Rey, USA Today, 22 June 2026 While an autopsy was conducted, his cause of death remains undetermined, pending a further investigation, sources said. John Annese, New York Daily News, 19 June 2026 The elevator will start operating at an undetermined date. Miami Herald, 18 June 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 30 Jun. 2026.

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