The Collaborative International Dictionary
Unestablish \Un`es*tab"lish\, v. t. [1st pref. un- + establish.] To disestablish. [R.]
The Parliament demanded of the king to unestablish that
prelatical government.
--Milton.
Wiktionary
vb. To disestablish.
Usage examples of "unestablish".
His whole speech took as its premise the unestablished fact that this planet is vacant and available for colonization.
Or, to be more exact, recruited to an unestablished post in the Foreign Office.
Under the influence of Positivism, however, the Scientific field is being rapidly cleared of unestablished theories which formerly mingled with it, claiming to be an integral part of its area, and the boundaries of Science are becoming more closely defined.
It was not a malady reserved for the anarchs and unestablished, though they seemed to have borne the brunt of it initially.