Simple Definition of chatterbox

from our Learner's Dictionary

chatterbox

noun

ˈtʃætɚˌbɑːks How to pronounce chatterbox (audio)
plural chatterboxes
informal : a person who talks a lot
That little girl is a chatterbox.

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“Chatterbox.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/chatterbox. Accessed 15 Apr. 2026.

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