undetermined

adjective

un·​de·​ter·​mined ˌən-di-ˈtər-mənd 

-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

Synonyms

• blear
• bleary
• blurry
• dim
• faint
• foggy
• fuzzy
• gauzy
• hazy
• indefinite
• indistinct
• indistinguishable
• misty
• murky
• nebulous
• obscure
• opaque
• pale
• shadowy
• unclear
• undefined
• vague

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

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

Word History

First Known Use

15th century, in the meaning defined above

Rhymes for undetermined

• overdetermined
• determined
• predetermined
• redetermined
• termined