Antonyms of adj unresponsive

3 senses of unresponsive

Sense 1
unresponsive (vs. responsive) -- (not responding to some influence or stimulus)

responsive (vs. unresponsive) -- (readily reacting or replying to people or events or stimuli; showing emotion; "children are often the quickest and most responsive members of the audience")
        => answering, respondent -- (replying; "an answering glance"; "an answering smile")

Sense 2
unresponsive -- (aloof or indifferent; "was unresponsive to her passionate advances")

INDIRECT (VIA cool) -> warm -- (psychologically warm; friendly and responsive; "a warm greeting"; "a warm personality"; "warm support")

Sense 3
unresponsive -- (not susceptible to suggestion or influence)

INDIRECT (VIA unsusceptible) -> susceptible -- ((often followed by `of' or `to') yielding readily to or capable of; "susceptible to colds"; "susceptible of proof")

Similarity of adj unresponsive

3 senses of unresponsive

Sense 1
unresponsive (vs. responsive) -- (not responding to some influence or stimulus)
       => refractory -- (temporarily unresponsive or not fully responsive to nervous or sexual stimuli; "the refractory period of a muscle fiber")
          Also See-> insensitive#1; insensitive#2

Sense 2
unresponsive -- (aloof or indifferent; "was unresponsive to her passionate advances")
       => cool (vs. warm) -- (psychologically cool and unenthusiastic; unfriendly or unresponsive or showing dislike; "relations were cool and polite"; "a cool reception"; "cool to the idea of higher taxes")

Sense 3
unresponsive -- (not susceptible to suggestion or influence)
       => unsusceptible (vs. susceptible), insusceptible -- (not susceptible to)