The state or quality of being incurable; the condition of having no possible remedy or treatment.
Derived from 'cureless' with the abstract noun suffix '-ness' (Old English 'nes'). This creates a noun describing the abstract quality or state of being incurable.
Adding '-ness' to 'cureless' creates a noun that sounds like a philosophical concept—curelessness became an important concept in medieval medicine when people had to accept some diseases simply had no cure.
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