indefeasible

The real danger is not openness to other cultures or sensitivity to difference but a lack of appreciation for universal values and a taste for extreme, empirically indefeasible ideologies.

From New York Times ● Jan. 20, 2018

The people “have a right, an indisputable, unalienable, indefeasible, divine right to that most dreaded and envied kind of knowledge—I mean of the character and conduct of their rulers,” said our second president, John Adams.

From Slate ● Oct. 7, 2015

The Cordillera del Condor and the rest of our territories are inalienable, indefeasible, and we state our decision to defend them to the end.”

From Salon ● Feb. 10, 2013

Every individual member of the commonwealth has an indefeasible interest in the totality of the land, and no man ought to assert an absolute freehold in land hostile to the interest of his fellow.

From A Few Words About the Devil And Other Biographical Sketches and Essays by Charles Bradlaugh

For this, the king granted Berford’s Hall, formerly Charleston’s Inn, which Chicheley’s trustees had granted to him so as to obtain a royal grant and indefeasible title.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2 "Chicago, University of" to "Chiton" by Various