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Definition of blabbermouth noun from the Oxford Advanced Learner's Dictionary

blabbermouth

noun

/ˈblæbəmaʊθ/

/ˈblæbərmaʊθ/

(informal, disapproving)

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a person who tells secrets because they talk too much

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See blabbermouth in the Oxford Advanced American Dictionary

Check pronunciation: blabbermouth

Nearby words

adverb

From the Word list

B1

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