adversely

/ædˈvɜrsli/
adverb
  1. In a way that has a negative or harmful effect.
    • The new policy adversely influenced small businesses in the area.
    • The drought adversely affected the region's crops.
    • Lack of sleep can adversely impact your concentration at school.
Antonyms
What does "adversely" mean? | whatsthatwordmean | whatsthatwordmean