responsiveness responsively • responsivity · · · Info · Definitions · Synonyms · Antonyms · Characters · · responsiveness · · Text Latin · · Script 14 · · Length Definitions · · · (noun) responsive to stimulation. Synonyms: reactivity. · · Noun Definition 1 (noun) the quality of being responsive; reacting quickly; as a quality of people, it involves responding with emotion to people and events. · · Noun Definition 2 Synonyms · · · reactivity · · Synonym 1 Antonyms · · · unresponsiveness · · Antonym 0 deadness · · Antonym 1 Characters · · e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 v latin small letter v U+0076