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Synonyms

blabbermouth

American  
[blab-er-mouth] / ˈblæb ərˌmaʊθ /

noun

plural

blabbermouths
  1. a person who talks too much, especially indiscreetly.

    Synonyms:
    tattler, bigmouth, talebearer, busybody, gossipmonger, gossip

blabbermouth British  
/ ˈblæbəˌmaʊθ /

noun

  1. informal a person who talks too much or indiscreetly

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of blabbermouth

An Americanism dating back to 1935–40; blabber ( def. ) + mouth

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

These guys were used to blabbermouths as bosses.

From Los Angeles Times

They were nice, these two witches, and Seven hoped they’d also be blabbermouths.

From Literature

“And not a word about this to the others, you blabbermouth.”

From Literature

If Instagram chooses to limit my account forever, so be it — I’ll just take my live act to Pershing Square on Saturday mornings like so many blabbermouths before me.

From Los Angeles Times

"Trump is an extreme blabbermouth," Dr. Richard D. Wolff, the professor emeritus of economics at the University of Massachusetts Amherst, told Salon.

From Salon