Definition of unpropitiable in English:

unpropitiable

adjective

  • Not propitiable, unappeasable.

Origin

Late 18th century; earliest use found in John Ash (1724–1779), lexicographer and grammarian. From un- + propitiable.

Pronunciation

unpropitiable

/(ˌ)ʌnprəˈpɪʃ(ɪ)əbl/