undetermined

adjective

un·​de·​ter·​mined ˌən-di-ˈtər-mənd How to pronounce undetermined (audio)
-dē-
: 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.
Currently, there is no information on the containment of the fire and the cause of it is still undetermined. Ca Wildfire Bot, Sacbee.com, 9 Apr. 2025 Their causes of death, meanwhile, remain undetermined, with both sets of remains still awaiting autopsies. Jessica Schladebeck, New York Daily News, 8 Apr. 2025 In 2022, Bishop-Freeman and colleagues published a paper detailing seven cases of undetermined pediatric deaths where bloodwork revealed elevated levels of melatonin. ArsTechnica, 8 Apr. 2025 That should change during the upcoming window, even if the identity of Newcastle’s prospective centre-back recruit remains undetermined. Chris Waugh, New York Times, 7 Apr. 2025 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

Browse Nearby Words

Cite this Entry

“Undetermined.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undetermined. Accessed 22 Apr. 2025.

More from Merriam-Webster on undetermined

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!