Unascertainable

The Century Dictionary and Cyclopedia
  • Not capable of being ascertained; incapable of being certainly known.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • adjective. That cannot be ascertained; uncertain, unable to be determined or discovered.
  • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • adjective. not able to be ascertained; resisting discovery