Definition of unretractable in US English:

unretractable

adjective

  • That cannot be revoked, rescinded, gone back on, undone, or unsaid; irrevocable.

adjective

  • That cannot be drawn back, in, up, etc.

Origin

Early 17th century; earliest use found in George Carleton (?1558–1628), bishop of Chichester. From un- + retract + -able<br>late 19th century; earliest use found in Samuel David Gross (1805–1884). From un- + retractable.

Pronunciation

unretractable

/(ˌ)ʌnrɪˈtraktəbl/