blabbermouth
noun
blab·ber·mouth
ˈbla-bər-ˌmau̇th 
: 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 on the Web
There’s a new MCU blabbermouth in town.
—
Bethy Squires,
Vulture,
10 Aug. 2025
They’re portrayed as gullible blabbermouths who spill everything the minute anyone shows public kindness.
—
David Fear,
Rolling Stone,
5 Aug. 2024
George Soros, a demon to many right-wing blabbermouths, must be one of the most misunderstood men on the contemporary scene.
—
Stephen Farber,
The Hollywood Reporter,
6 Sep. 2019
The leaks are coming from the disgruntled staff in the White House and the president himself, who is a blabbermouth.
—
Chicago Tribune,
chicagotribune.com,
28 May 2017
So Trump’s blabbermouth will likely chill our relationship with that third party and shut off that and other valuable sources of information.
—
Leonard Pitts Jr,
The Mercury News,
17 May 2017
Examples are automatically compiled from online sources to
show current usage.
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Bethy Squires,
Vulture,
10 Aug. 2025
They’re portrayed as gullible blabbermouths who spill everything the minute anyone shows public kindness.
—
David Fear,
Rolling Stone,
5 Aug. 2024
George Soros, a demon to many right-wing blabbermouths, must be one of the most misunderstood men on the contemporary scene.
—
Stephen Farber,
The Hollywood Reporter,
6 Sep. 2019
The leaks are coming from the disgruntled staff in the White House and the president himself, who is a blabbermouth.
—
Chicago Tribune,
chicagotribune.com,
28 May 2017
So Trump’s blabbermouth will likely chill our relationship with that third party and shut off that and other valuable sources of information.
—
Leonard Pitts Jr,
The Mercury News,
17 May 2017
Cite this Entry
“Blabbermouth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blabbermouth. Accessed 2 Jul. 2026.
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blabbermouth
noun
blab·ber·mouth
ˈblab-ər-ˌmau̇th
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Merriam-Webster unabridged
