ETYM Latin insensibilis: cf. French insensible. Related to In- not, and Sensible.
1. Incapable of physical sensation.
2. Unresponsive to stimulation; SYN. senseless.
3. (Followed by 'to' or 'by') Unaware of or indifferent to; SYN. unaffected.
1. Aloof or indifferent.
2. Not responsive.
3. Not responsive.
4. Not susceptible to suggestion.
With a lack of response