negatively
adverb
uk/ˈneɡətɪvli/ usin a bad or harmful way:
Exports have been negatively affected by the downturn of the economy.
impact negatively on sth Export subsidies impact negatively on domestic production.
in a way that emphasizes the bad possibilities in a situation:
react/respond negatively to sth Investors reacted negatively to the modest interest rate cut on Tuesday.