immitigable

 
Pronunciation: /ɪˈmɪtɪgəb(ə)l/

adjective

archaic
  • unable to be made less severe or serious: the pain was immitigable

Derivatives

immitigably

adverb

Origin:

late 16th century: from late Latin immitigabilis, from in- 'not' + mitigabilis 'able to be mitigated'