ap ‧ a ‧ thy /ˈæpəθi/ BrE AmE noun [uncountable]
[ Date: 1600-1700 ; Language: Greek ; Origin: apatheia , from a- 'without' + pathos 'feeling' ]
the feeling of not being interested in something, and not willing to make any effort to change or improve things:
The campaign failed because of public apathy.