unconcern

Etymology
, around 1660–1670.

Noun

 * 1) Lack of interest or care; indifference or apathy.
 * 2) Freedom from worry or apprehensiveness; insouciance or nonchalance.
 * 1) Freedom from worry or apprehensiveness; insouciance or nonchalance.
 * 1) Freedom from worry or apprehensiveness; insouciance or nonchalance.

Translations

 * Polish:
 * Russian: ,
 * Ukrainian: