dis·in·her·it 
(dĭs′ĭn-hĕrĭt)
(dĭs′ĭn-hĕrĭt)tr.v. dis·in·her·it·ed, dis·in·her·it·ing, dis·in·her·its
1. To exclude from inheritance or the right to inherit.
2. To deprive of a natural or established right or privilege.
dis′in·heri·tance n.