Not yet determined; undecided: Our lawsuit is still undetermined. (adjective)
Not specifically known or ascertained: a fire of undetermined origin. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "undetermined" in a sentence
"Under "manner of death," it is "undetermined" -- or cause of death is undetermined."
"One waxed paper packet containing one length of silk thread, white, ten yards, and one coin, ancient, origin undetermined."
"Intellectual-Principle, is steadfastly pure: it has turned away from Matter; all that is undetermined, that is outside of measure, that is evil, it neither sees nor draws near; it endures in its purity, only, and wholly, determined by the Intellectual-Principle."