unresponsive

From un- + responsive.

unresponsive (comparative more unresponsive, superlative most unresponsive)

1. Not responsive; unreactive.
   • 2018 August 1, Michael Nedelman, “Ice cream salesman’s wife and mother suffocated by dry ice in car”, in CNN‎^[1]:

     Two women were found unresponsive in a car along with the likely culprit – four coolers of dry ice – Friday morning in Pierce County, Washington, CNN affiliate KOMO reports.

2. Indifferent or apathetic; emotionless.

• nonresponsive

• responsive

• unresponsiveness
• irresponsible