Origin of determined
Examples from the Web for undetermined
Still, an undetermined number of an estimated 300,000 to 400,000 Latinos who voted reported difficulties at the polls.Latinos, Progressives Suspicious About How Arizona Conducted Election|Terry Greene Sterling|November 21, 2012|DAILY BEAST
And the fact that NBC has opted to pull the premiere and sit on it for an undetermined time comes with some consequences.‘Community’: The NBC Comedy is Shelved Until Later, But Why?|Jace Lacob|October 9, 2012|DAILY BEAST
For that reason, the manner of death is diagnosed as undetermined.
You do that by leaving it undetermined and continue with your investigation.
About doctrine and worship; the Scripture is no law in any of these following cases, but hath left them undetermined.A Christian Directory|Baxter Richard
Poreo seemed, however, at first undetermined whether he should go or stay; but he soon inclined to the former.
It is at once undetermined and determined; undetermined through any point without, and determined through itself.Biographia Literaria|Samuel Taylor Coleridge
We were undetermined for some time with respect to where we should go.George Borrow in East Anglia|William A. Dutt
The person of a noun singular is determined or undetermined.Of the Orthographie and Congruitie of the Britan Tongue|Alexander Hume