1. unconsciousness: "I flogged him into insensibility"
▪ inability to feel something, especially to be moved emotionally.
▪ lack of awareness or concern; indifference:"your insensibility to the extreme importance of the mission we are on"
Word Originlate Middle English: partly from Old French insensibilite or late Latin insensibilitas (from in- ‘not’ + Latin sensibilis ‘sensible’, from sensus ‘sense’), partly from in-1 ‘without’ + sensibility.