ɪnˈsɛn.sɪ.bl̩ ˈsɛnsləs 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 incapable of physical sensation insensible to pain insensible earth unaware of or indifferent to insensible to the suffering around him