Definition of unregretful in US English:

unregretful

adjective

  • Not feeling or showing regret.

Origin

Late 18th century; earliest use found in Anna Seward (1742–1809), poet and correspondent. From un- + regretful.

Pronunciation

unregretful

/(ˌ)ʌnrɪˈɡrɛtf(ʊ)l/