counteraction counteractingly • counteractive · · · Info · Definitions · Synonyms · Characters · · counteraction · · Text Latin · · Script 13 · · Length Definitions · · · (noun) action intended to nullify the effects of some previous action. Synonyms: neutralization, neutralisation. · · Noun Definition 1 Synonyms · · · neutralization · · Synonym 1 neutralisation · · Synonym 2 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 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 r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075