飽あくなき

pre-noun adjectival

insatiable; untiring; persistent

Used before nouns to describe an unending, tireless desire or effort. Often found in literary or formal contexts.

• 彼かれは飽あくなき探たん求きゅう心しんで研けん究きゅうを続つづけた。

  He continued his research with an insatiable spirit of inquiry.

• 飽あくなき努ど力りょくが成せい功こうにつながった。

  Untiring effort led to success.