Definition of unreturnable in English:

unreturnable

adjective

  • 1Allowing no return.

  • 2That cannot be returned.

Origin

Early 16th century; earliest use found in Gavin Douglas (c1476–1522), poet and bishop of Dunkeld. From un- + returnable, in sense 1 originally after classical Latin irremeābilis irremeable.

Pronunciation

unreturnable

/(ˌ)ʌnrɪˈtəːnəbl/