speechlessly

/ˈspitʃləsli/
adverb
  1. In a way that shows someone is unable to speak, usually because of strong emotion like surprise, shock, or awe.
    • The audience sat speechlessly after the powerful performance ended.
    • He stared speechlessly at the magnificent sunset over the ocean.
    • She listened speechlessly as the judge read the verdict.
Antonyms
What does "speechlessly" mean? | whatsthatwordmean | whatsthatwordmean