† Unagainsayably

adv. Obs. rare. [UN-¹ 11.] Undeniably.

c. 1449.  Pecock, Repr., I. xx. 130. This firste parte of this present book and The iust apprising of Holi Scripture … schewen vndoutabli and vnaȝenseiabily, that [etc.]. Ibid., III. xvi. 380. Ibid. (c. 1456), Bk. of Faith (1909), 222. If this be trewe, as it is unaȝenseiabili trewe.