incorrigible
in.cor.ri.gi.ble \(')in-'ko.r-*-j*-b*l, -'ka:r-\ \-ble-\ aj [ME, fr. LL
incorrigibilis, fr. L in- + corrigere to correct]- more at CORRECT :
incapable of being corrected or amended : as : not reformable : DEPRAVED
: DELINQUENT archaic : INCURABLE : UNMANAGEABLE : UNALTERABLE,
DETERMINED - incorrigible n
Webster's English Dictionary