openmouthed

/ˈoʊpənˌmaʊðd/
adjective
  1. Having the mouth open, especially because of surprise, shock, or amazement.
    • The audience remained openmouthed throughout the entire performance.
    • She was openmouthed with disbelief when she heard the news.
    • The children stood openmouthed as the magician pulled a rabbit from his hat.
  2. Gaping or wide open, like a mouth or opening.
    • An openmouthed jar sat on the shelf, its contents spilled out.
    • The openmouthed fish gasped for air on the dock.
    • The openmouthed cave entrance loomed before them.
Antonyms
What does "openmouthed" mean? | whatsthatwordmean | whatsthatwordmean