unconcerned
Cross references: 1. indifferent un.con.cerned \-'s*rnd\ \-'s*r-n*d-le-, -'s*rn-dle-\ \-'s*r-n*d-n*s, -'s*rn(d)-n*s\ aj 1: lacking care, interest, or feeling 2: not anxious or solicitous : easy in mind - un.con.cerned.ly av
Webster's English DictionaryCross references: 1. indifferent un.con.cerned \-'s*rnd\ \-'s*r-n*d-le-, -'s*rn-dle-\ \-'s*r-n*d-n*s, -'s*rn(d)-n*s\ aj 1: lacking care, interest, or feeling 2: not anxious or solicitous : easy in mind - un.con.cerned.ly av