Definition of unregainable in English:

unregainable

adjective

  • That cannot be regained; irrecoverable.

noun

  • With the. That which cannot be regained or recovered.

Origin

Mid 17th century; earliest use found in Thomas Palmer (?1541–1626), author. From un- + regain + -able.

Pronunciation

unregainable

/(ˌ)ʌnrɪˈɡeɪnəbl//(ˌ)ʌnriːˈɡeɪnəbl/