indeterminable
1. [ adjective ] not capable of being definitely decided or ascertained
Synonyms: undeterminable
Related terms: determinable indeterminate unpredictable unascertainable indeterminate incalculable
2. [ adjective ] unable to be determined
Related terms: incalculable
Similar spelling:   indeterminably
  indeterminate
  indeterminacy
  indeterminancy
  indeterminateness
  indetermination