the state of being unconscious

She lay in a state of insensibility until ten o'clock, when she took her last breath. 她一直不省人事地躺着，直到十点钟，才咽下最后一口气。

He was beaten into insensibility and then dropped in the canal. 他被打得不省人事，然后被扔进了运河。

the fact of not caring about something or being unwilling or unable to react to it

The anaesthetic injection will cause unconsciousness as well as insensibility to pain. 注射麻醉剂会使人失去知觉，对疼痛也会不敏感。

Both parents had an insensibility to the welfare of their offspring. 父母双方都对孩子的福利漠不关心。