hyperreactive in English dictionary hyperreactive Meanings and definitions of "hyperreactive" Showing a much greater than normal response to a stimulus adjective Showing a much greater than normal response to a stimulus more Grammar and declension of hyperreactive hyperreactive ( comparative more hyperreactive, superlative most hyperreactive) hyperreactive (comparative more hyperreactive, superlative most hyperreactive) more Sample sentences with "hyperreactive" Declension Stem Try again Available translations French Portuguese Spanish Authors