flawlessly

/ˈflɔːləsli/
adverb
  1. In a perfect way, without any mistakes or defects.
    • The software ran flawlessly after the update.
    • The pianist played the difficult piece flawlessly.
    • She executed the dance routine flawlessly during the competition.
Antonyms
What does "flawlessly" mean? | whatsthatwordmean | whatsthatwordmean