unresponsive

adjective

1. responding especially readily and sympathetically to appeals, efforts, influences, etc.: a responsive government.
2. Physiology. acting in response, as to some stimulus.
3. characterized by the use of responses: responsive worship.

adjective

1. not reacting or responding to an action, question, suggestion, etc

adjective

1. reacting or replying quickly or favourably, as to a suggestion, initiative, etc
2. (of an organism) reacting to a stimulus

adj.1660s, “unable to reply,” from un- (1) “not” + responsive. Meaning “not responding” is from 1775. Related: Unresponsiveness. adj.early 15c., “making answer,” from Middle French responsif and directly from Late Latin responsivus “answering,” from Latin respons-, past participle stem of respondere (see respond). Meaning “responding to influence or action” is from 1762. Related: Responsively; responsiveness.