a. (UN-1 7 b.)
Also, in recent use, undebatably adv.
1869. F. W. Newman, Misc., 200. Seas, Desarts or great Mountain ranges have always been the chief arbiters in this undebateable question.
1898. Mission. Herald (Boston), March, 104/2. The pastors settled it by saying it was undebatable.
1906. R. E. Speer, The Marks of a Man (1907), 148. Yet some men deliberately choose to live down among the unnecessary debates. In them, of course, the debate soon dies away, and they grow accustomed to living with stupefied conscience in land debatable, or even undebatably wrong.
