Definition, Meaning & Synonyms
big-mouth
noun
/ˈbɪɡ maʊθ/

Definition
A person who talks too much, often revealing secrets or sensitive information.

Examples
- Despite promising to keep it to himself, John was such a big-mouth that he told everyone about the surprise party.
- A big-mouth at work can really jeopardize team morale with all the gossip.

Meaning
The term ‘big-mouth’ refers to someone who cannot keep a secret or often boasts and speaks without thinking, potentially causing trouble for themselves or others. It is generally used in a negative context.

Synonyms
- blabbermouth
- gossip
- talkative person
- chatterbox