Synonyms of blabbermouth

blabbermouth

noun

ˈbla-bər-ˌmau̇th 

as in chatterer

a person who talks constantly

told the blabbermouth to put a lid on it

Synonyms & Similar Words

• chatterer
• magpie
• gossiper
• talker
• chatterbox
• babbler
• windbag
• motormouth
• conversationalist
• gossip
• jay
• gasbag
• blabber
• blowhard
• prattler
• converser
• cackler
• tattletale
• gabbler
• tattler
• blatherskite
• jabberer
• talebearer
• discourser
• blatherer

Example Sentences

Recent Examples of blabbermouth

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