Definition of unpolishable in English:

unpolishable

adjective

  • Not polishable (literal and figurative); impossible to polish.

Origin

Late 17th century; earliest use found in Nehemiah Grew (a1641–1712), botanist and physician. From un- + polishable.

Pronunciation

unpolishable

/(ˌ)ʌnˈpɒlɪʃəbl/