Disinheritance often implies serious family conflict or disapproval of the disinherited person's behavior or choices. After marrying against her parents' wishes, she was disinherited.
Pro Tip 2/3
Final Decision
Use 'disinherit' to indicate a final decision, not an ongoing process. Her last will confirmed she had disinherited her brother, not 'was disinheriting'.
Pro Tip 3/3
Legal Specificity
'Disinherit' is used in legal contexts, often referring to intentional acts detailed in legal documents. The codicil to his will explicitly stated his intention to disinherit any heir who contested it.