Definition of unrefundable in English:

unrefundable

adjective

  • That cannot be refunded; non-refundable.

Origin

Late 18th century; earliest use found in Morning Herald & Daily Advertiser. From un- + refund + -able.

Pronunciation

unrefundable

/(ˌ)ʌnˈriːfʌndəbl//ˌʌnriːˈfʌndəbl//ˌʌnrɪˈfʌndəbl/