insensible

Adjective

• unresponsive to stimulation
  • he lay insensible where he had fallen
    
  • drugged and senseless
    

• barely able to be perceived
  • the transition was almost indiscernible
    
  • an almost insensible change
    

• unaware of or indifferent to
  • insensible to the suffering around him
    

• incapable of physical sensation
  • insensible to pain
    
  • insensible earth
    

Related words

• Synonyms: 
  senseless , indiscernible , undetectable , insensible(p) , unaffected(p)
• Antonyms: 
  sensible , sensitive