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 sheriff’s office said her cause and manner of death are undetermined, and no suspects have been arrested as of mid-June. Saleen Martin, USA Today, 12 June 2026 But how much cities will be reimbursed is still undetermined, meaning taxpayers could be on the hook for millions of dollars. Brian New, CBS News, 10 June 2026 The heaviest damage was concentrated in the front porch area of the house, and investigators have identified several possible factors that may have contributed to the accidental fire, but the cause remains undetermined at this time, Lo said. Mary Divine, Twin Cities, 9 June 2026 He’ll also be expected to pay a $5,000 fine, which will go to Priddy’s family, along with an undetermined amount of restitution. Alex Brizee, Idaho Statesman, 9 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

Browse Nearby Words

Cite this Entry

“Undetermined.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undetermined. Accessed 17 Jun. 2026.

More from Merriam-Webster on undetermined

Love words? Need even more definitions?

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

More from Merriam-Webster