unpropitiableadj.
/(ˌ)ʌnprəˈpɪʃ(ɪ)əbl/, U.S. /ˌənprəˈpɪʃ(i)əb(ə)l/ Not propitiable, unappeasable; (also) that cannot be atoned for.
ΚΠ
1775 J. Ash New Dict. Eng. Lang. Unpropitiable, not propitiable.
1833 City-hall Reporter 1 Oct. 27 Crime was defined by them, not in an unpardonable, unpropitiable form.., but it was mingled with the benevolence, and tempered with the charity which should adorn Christians.
1891 Academy 28 Mar. 296/1 That unpropitiable avenger who waits on secular misconduct.
1902 North Amer. Rev. Dec. 871 The fates rule unpropitiable!
2003 R. Jenkins Franklin Delano Roosevelt v. 96 This was hardly likely to propitiate..the chief justice (who was seventy-five and probably unpropitiable in any event).
This entry has been updated (OED Third Edition, December 2014; most recently modified version published online December 2021).
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adj.1775