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.
However, Japan’s opponent for its June 25 match is still undetermined. José Sánchez Córdova, Dallas Morning News, 23 Mar. 2026 Tyler Toffoli, San Jose’s third-leading scorer, is out for an undetermined amount of time with a lower-body issue after he was injured during the first period on Thursday. Curtis Pashelka, Mercury News, 21 Mar. 2026 The cause and manner of death remain undetermined, but detectives were working in coordination with the Medical Examiner’s Office. City News Service, San Diego Union-Tribune, 20 Mar. 2026 The cause of the fire is still undetermined. Harriet Ramos, Fort Worth Star-Telegram, 20 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 29 Mar. 2026.

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