blabbermouth Meaning in the Cambridge English Dictionary
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Meaning of “blabbermouth” in the English Dictionary

"blabbermouth" in British English

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blabbermouthnoun [C]

uk   /ˈblæb.ə.maʊθ/  us   /-ɚ-/ informal disapproving
a ​person who ​talkscarelessly, often ​tellingsecrets to other ​people
(Definition of blabbermouth from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"blabbermouth" in American English

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blabbermouthnoun [C]

 us   /ˈblæb·ərˌmɑʊθ/ infml
a ​person who ​talks too much
(Definition of blabbermouth from the Cambridge Academic Content Dictionary © Cambridge University Press)
Translations of “blabbermouth”
in Chinese (Simplified) 喋喋不休者,碎嘴子, (常指)泄密者…
in Chinese (Traditional) 喋喋不休者,長舌者, (常指)洩密者…
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