Meaning of “blabbermouth” in the English Dictionary

british dictionary

"blabbermouth" in British English

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blabbermouthnoun [ C ]

uk /ˈblæb.ə.maʊθ/ us /ˈblæb.ɚ.maʊθ/ informal disapproving

a person who talks carelessly, often telling secrets 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)