a. Obs. rare. [a. L. ūsūrpānt-, pple. stem of ūsūrpāre: see USURP v.] That usurps; guilty of or inclined to usurpation.
1461. in Halliwell, Lett. Kings Eng. (1846), I. 126. Harry late usurpant king of our said realm.
1473. Rolls of Parlt., VI. 92/2. For takyng of Henry late usurpaunt uppon our magistee Roiall.
1659. Gauden, Tears Ch., 473. Some factious Presbyters ventured to be extravagant and usurpant.