Disinherit Dis`in*her"it, v. t. [imp. & p. p. {Disinherited}; p. pr. & vb. n. {Disinheriting}.] [Cf. {Disherit}, {Disheir}.] 1. 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. [1913 Webster]

Of how fair a portion Adam disinherited his whole posterity! --South. [1913 Webster]

2. To deprive of heritage; to dispossess. [1913 Webster]

And disinherit Chaos, that reigns here. --Milton. [1913 Webster]

The Collaborative International Dictionary of English. 2000.