insubˈvertible, a. rare.
[in-3.]
Incapable of being subverted.
| 1806 Simple Narrative II. 70 The champion of immutable truth, and the insubvertible law of Nature. 1821 Coleridge Lett. Jan. (1836) I. 155 If the premises be, as I..am convinced they are—insubvertible. |