Meaning ofopen-mouthedin English

Adjective

1. astonished; gaping in surprise
   The crowd stood open-mouthed as the fireworks exploded.
   Synonyms:

   aghastagapestunnedflabbergasteddumbfoundedthunderstruckspeechless
   Antonyms:

   unfazedunimpressedcomposedcollectedpoised
2. having an open mouth (literally)
   The fish was open-mouthed, gasping for air on the deck.
   Synonyms:

   agapemouth-agapegape-mouthed
   Antonyms:

   closed-mouthedmouth-closedshut-mouthed
3. talkative; speaking freely
   She was known for being open-mouthed about her opinions on social media.
   Synonyms:

   volubleloquaciousgarruloustalkativeeffusive
   Antonyms:

   taciturnreticentreserveduncommunicativesilent