indeterminable

 
Pronunciation: /ɪndɪˈtəːmɪnəb(ə)l/

adjective

  • not able to be definitely ascertained, calculated, or identified: a woman of indeterminable age
  • (of a dispute or difficulty) not able to be resolved.

Derivatives

indeterminably

adverb

Origin:

late 15th century (in the sense 'unable to be limited'): from late Latin indeterminabilis, from in- 'not' + determinabilis (see determinable)