(adj) readily reacting or replying to people or events or stimuli; showing emotion, Ant. unresponsive, Example:children are often the quickest and most responsive members of the audience
(n) the quality of being responsive; reacting quickly; as a quality of people, it involves responding with emotion to people and events, Ant. unresponsiveness
(n) the quality of being unresponsive; not reacting; as a quality of people, it is marked by a failure to respond quickly or with emotion to people or events, Syn. deadness, Ant. responsiveness, Example:she began to recover from her numb unresponsiveness after the accident; in an instant all the deadness and withdrawal were wiped away