Definition of unquailing in English:

unquailing

adjective

  • Not quailing; undaunted.

Origin

Early 19th century; earliest use found in The Westminster Review. From un- + quailing.

Pronunciation

unquailing

/(ˌ)ʌnˈkweɪlɪŋ//(ˌ)ʌŋˈkweɪlɪŋ/