drastically

/ˈdræstɪkli/
adverb
  1. In an extreme way that has a strong or sudden effect.
    • The population of the town has drastically decreased since the factory closed.
    • She drastically changed her diet and started exercising every day.
    • The new law will drastically reduce the amount of pollution from cars.
Antonyms
What does "drastically" mean? | whatsthatwordmean | whatsthatwordmean