American English

Definition of unresponsive adjective from the Oxford Advanced American Dictionary

  

unresponsive

 adjective
adjective
NAmE//ˌʌnrɪˈspɑnsɪv//
 
unresponsive (to something) (formal)
 
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not reacting to someone or something; not giving the response that you would expect or hope for a politician who is unresponsive to the mood of the country She is a cold, unfeeling and unresponsive woman. This combination of symptoms seems to be unresponsive to conventional medical treatment. opposite responsive
See the Oxford Advanced Learner's Dictionary entry: unresponsive