Definition of blabbermouth
: a person who talks too much; especially : tattletale
Examples of blabbermouth in a Sentence
told the blabbermouth to put a lid on it
Recent Examples of blabbermouth from the Web
The leaks are coming from the disgruntled staff in the White House and the president himself, who is a blabbermouth.
So Trump’s blabbermouth will likely chill our relationship with that third party and shut off that and other valuable sources of information.
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
BLABBERMOUTH Defined for English Language Learners
Definition of blabbermouth for English Language Learners
: someone who reveals secrets or talks too much
Seen and Heard
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