monumentally

/ˌmɑnjəˈmɛntəli/
adverb
  1. To a very great or extreme degree; used to emphasize the size, importance, or seriousness of something.
    • The team's victory was monumentally important for their morale.
    • She made a monumentally bad decision by quitting her job without a backup plan.
    • The project was monumentally expensive and took years to complete.
Antonyms
What does "monumentally" mean? | whatsthatwordmean | whatsthatwordmean