in·dif·fer·ence 
/ɪnˈdɪfərəns/ noun
/ɪnˈdɪfərəns/ noun : lack of interest in or concern about something : an indifferent attitude or feeling [noncount] ▪ She was amazed that some people could watch the trial with indifference. — often + to ▪ You can go or you can stay. It's a matter of complete indifference to me. [=I do not care at all if you go or stay] ▪ The government has shown complete/utter indifference to the struggles of organized labor. [singular] ▪ She watched them with a cool indifference.
