1. (

• insensible

) incapable of physical sensation; "insensible to pain"; "insensible earth" ;

2. (

• insensible ,
• unaffected ,

) unaware of or indifferent to; "insensible to the suffering around him" ;

3. (

• indiscernible ,
• insensible ,
• undetectable

) barely able to be perceived; "the transition was almost indiscernible"; "an almost insensible change" ;

4. (

• insensible ,
• senseless ,
• out_of_it

) unresponsive to stimulation; "he lay insensible where he had fallen"; "drugged and senseless" ;