atwitter

/əˈtwɪtər/
adjective
  1. Excited or nervous, often because of something that is about to happen.
    • She felt atwitter as she waited for her job interview to begin.
    • The town was atwitter with rumors about the celebrity visit.
    • The students were all atwitter before the final exam results were posted.
Antonyms
What does "atwitter" mean? | whatsthatwordmean | whatsthatwordmean