tameless

/ˈteɪmləs/
adjective
  1. Not able to be tamed; wild and untamed.
    • The poet wrote about the tameless heart of the rebel.
    • The tameless spirit of the mustang could not be broken.
    • She admired the tameless beauty of the ocean waves.
Synonyms
What does "tameless" mean? | whatsthatwordmean | whatsthatwordmean