insensible

in·sen·si·ble

adj \-ˈsen(t)-sə-bəl\

Definition of INSENSIBLE

1

: incapable or bereft of feeling or sensation: as a : unconscious <knocked insensible by a sudden blow> b : lacking sensory perception or ability to react <insensible to pain> c : lacking emotional response : apathetic

2

: not perceived by the senses <insensible perspiration>

—in·sen·si·bil·i·ty \(ˌ)in-ˌsen(t)-sə-ˈbil-ət-ē\ noun, plural in·sen·si·bil·i·ties