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 of undetermined

• vague
• faint
• unclear

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

As Zipline and its competitors expand their physical networks, the regulatory framework for large-scale drone operations is still largely undetermined. — Glenn Taylor, Footwear News, 18 Sep. 2026

Sacramento County Coroner's Office The cause of death remains undetermined, pending toxicology and other test results. — Cecilio Padilla, CBS News, 17 Sep. 2026

Most recently, investigators used advanced DNA testing to identify the girl, and while her cause of death was previously ruled undetermined, it is now being investigated as a homicide. — Saleen Martin, USA Today, 9 Sep. 2026

The future of Rossoblu’s tandem pizzeria, Superfine, remains undetermined. — Stephanie Breijo, Los Angeles Times, 5 Sep. 2026

Word History

First Known Use

15th century, in the meaning defined above

Rhymes for undetermined

• overdetermined
• determined
• predetermined
• redetermined
• termined