insensible

adjective

1. 1

   unresponsive to stimulation

   he lay insensible where he had fallen

   drugged and senseless

2. 2

   barely able to be perceived

   the transition was almost indiscernible

   an almost insensible change

3. 3

   incapable of physical sensation

   insensible to pain

   insensible earth

4. 4

   unaware of or indifferent to

   insensible to the suffering around him