1. unconscious or unaware of something
2. lacking physical sensation or the ability to feel
3. lacking emotional responsiveness or empathy

Examples

• The patient remained insensible after the surgery.
• He seemed insensible to the criticism around him.
• Her fingers were insensible to cold after the frostbite.
• The politician appeared insensible to the public’s concerns.
• The change in temperature was insensible to most observers.
• She lay insensible on the ground after fainting.
• His insensible behavior hurt his family deeply.