Blabbermouth definition

blăbər-mouth
blabbermouths
See word origin
Frequency:
One who talks indiscreetly or incessantly.
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The definition of a blabbermouth is a person who talks too much or isn't able to keep secrets.

An example of a blabbermouth is a gossip columnist for a celebrity magazine.

noun
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If it weren't for that blabbermouth Sally, the principal would never have known we did it.

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(informal) A person who blabs.
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Other Word Forms

Noun

Singular:
blabbermouth
Plural:
blabbermouths

Origin of blabbermouth

Blabbermouth Sentence Examples

  • She wasn't irresponsible, a blabbermouth or a liar – contrary to what both of them seemed to think.

  • But Will has left his broken lantern on the path - and the smugglers can't risk a blabbermouth.

  • She wasn't irresponsible, a blabbermouth or a liar – contrary to what both of them seemed to think.

More sentences

Also Mentioned In

Words near blabbermouth in the Dictionary