To cut off from an inheritance or from hereditary succession; to prevent, as an heir, from coming into possession of any property or right, which, by law or custom, would devolve on him in the course of descent
If you disinherit someone such as your son or daughter, you arrange that they will not become the owner of your money and property after your death, usually because they have done something that you do not approve of. He threatened to disinherit her if she refused to obey. to take away from someone, especially your son or daughter, their legal right to receive your money or property after your death inherit, will will