1656. [? J. Sergeant], trans. T. White’s Peripat. Inst., Auth. Design, a 7. This the Order, and Brevity, and the invincible firmnesse, surely, of some Consequences will obtain of an unobstinate person.
1665. J. Sergeant, Sure Footing, 40. As is easy to be evinc’t against an unobstinate Adversary by this.
a. 1859. De Quincey, Posth. Wks. (1891), I. 63. They were a plastic, yielding, unobstinate race.
