Taxonomy of meanings for 無情:  

  • THING
    • NP[adN]BUDDH: those which do not have emotions/mental activity > non-sentient objects (this usually also includes plants)
    • VPiBUDDH: have the existence of an non-animated thing; be an object; exist as object
  • WISE
    • NP[adN]BUDDH: the one without deluded mental activities > sage, enlightened person