incorrigible - Dictionary definition and meaning for word incorrigible
(in)corr(gible)==in eligible to be corrected or cant be corrected
IN(not)+corrected=which cant be corrected
in corr: can't be corrected; in corrg: like can't be couraged or to say encouraged means not easily influenced
the japanese would call collage corrige, and this cannot be corrected even if you send them to college to punish them.