insensible

/(ˌ)in-ˈsen(t)-sə-bəl/

Middle English, from Anglo-French & Latin; Anglo-French, from Latin insensibilis, from in- + sensibilis sensible

adjective

  1. incapable or bereft of feeling or sensation: such as

  2. lacking sensory perception or ability to react

  3. unconscious

insensible to pain