unresponsive

unresponsive /ˌʌnrɪˈspɑːnsɪv/ adjective
unresponsive
/ˌʌnrɪˈspɑːnsɪv/
adjective
Britannica Dictionary definition of UNRESPONSIVE
[more unresponsive; most unresponsive]
1 
: not replying or reacting to someone's question, request, demand, etc.
2 
medical : not reacting or able to react in a normal way when touched, spoken to, etc.

— unresponsiveness

noun [noncount]