Openmouthed Synonyms

With eyes or mouth open in surprise
(Adjective)
Synonyms:
  1. aghast
  2. amazed
  3. astonished
  4. goggle-eyed
  5. awestruck
  6. confounded
  7. gaping
  8. insistent
  9. surprised
  10. vociferous
  11. popeyed