Definition of opinable in US English:

opinable

adjective

  • 1That is a matter of opinion; not certain; debatable, conjectural. Also occasionally as noun Now chiefly archaic.

  • 2That is the object of opinion; capable of being opined or held as an opinion. rare.

Origin

Late Middle English. From classical Latin opīnābilis based on opinion from opīnārī + -bilis.

Pronunciation

opinable

/əʊˈpʌɪnəbl/