noun
chatterbox
CHA-tuh-boks
noun
1
A person who talks a great deal, often more than others want to hear.
"Her little brother is a real chatterbox at the dinner table."
"He's such a chatterbox that meetings with him always run long."
How to Use Chatterbox
Learner’s notesIn plain EnglishSomeone who never stops talking.
When to use it
Informal and usually good-natured rather than a genuine insult.
Word Forms
chatterboxes plural
Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “chatterbox”
A quick quiz — meaning, synonyms & usage
→
Fill the Gap
Can you complete this real example?
Her little brother is a real _____ at the dinner table.
Etymology
From chatter + box, on the pattern of other informal compound nicknames like "know-it-all".