unatonable

From un- +‎ atonable.

• IPA^(key): /ʌnəˈtəʊnəbəl/

unatonable (comparative more unatonable, superlative most unatonable)

1. Incapable of being atoned for; inexpiable.
2. (obsolete) irreconcilable.
   • 1645 March 14 (Gregorian calendar), John Milton, Tetrachordon: Expositions upon the Foure Chief Places in Scripture, which Treat of Mariage, or Nullities in Mariage. […], London: [s.n.], →OCLC:

     unatonable matrimony

• “unatonable”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.