unwearied

adjective3

1. •
   (old-fashioned) Not wearied, not tired.

   • Yet not till the Creator from his work / Desisting, though unwearied, up returned / Up to the Heav'n of Heav'ns his high abode, / Thence to behold this new created World […] — 1667
2. •
   (old-fashioned) Never tiring; tireless.

   • Welcome, welcome, my good Evangelist, the sight of thy countenance brings to my remembrance, thy ancient kindness, and unwearied labouring for my eternal good. — 1680
3. •
   (old-fashioned) Not stopping; persistent, relentless.