speechlessness

/ˈspitʃləsnəs/
noun
  1. The state of being unable to speak, especially due to strong emotion like shock, surprise, or anger.
    • The audience's speechlessness showed how powerful the performance was.
    • His speechlessness after the surprise party was priceless.
    • The news of the award left her in a state of speechlessness.
Antonyms
What does "speechlessness" mean? | whatsthatwordmean | whatsthatwordmean