blabbermouth

noun blab·ber·mouth \ ˈbla-bər-ˌmau̇th \

Definition of blabbermouth

:a person who talks too much; especially :tattletale

Examples of blabbermouth in a Sentence

  1. told the blabbermouth to put a lid on it

Recent Examples of blabbermouth from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'blabbermouth.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of blabbermouth

1936


BLABBERMOUTH Defined for English Language Learners

blabbermouth

noun

Definition of blabbermouth for English Language Learners

  • : someone who reveals secrets or talks too much



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