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Synonyms

blab

American  
[blab] / blæb /
Also blabber

verb (used with object)

blabbed, blabbing
  1. to reveal indiscreetly and thoughtlessly.

    They blabbed my confidences to everyone.


verb (used without object)

blabbed, blabbing
  1. to talk or chatter indiscreetly or thoughtlessly.

    Don't confide in him, because he blabs. She blabbed so much I couldn't hear the concert.

noun

  1. idle, indiscreet chattering.

  2. a person who blabs; blabbermouth.

blab British  
/ blæb /

verb

  1. to divulge (secrets) indiscreetly

  2. (intr) to chatter thoughtlessly; prattle

"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

noun

  1. a less common word for blabber blabber

"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

Other Word Forms

Etymology

Origin of blab

1325–75; Middle English blabbe (noun), perhaps back formation from blaberen to blabber; cognate with Old Norse blabbra, German plappern

Explanation

To blab is to gossip about or reveal a secret you promised to keep. You might accidentally blab to your dad about your brother getting in trouble at school. A reporter could take you by surprise and get you to blab about your movie star neighbor, and it might be hard for a little kid not to blab about the birthday gift he's giving his sister. Another way to blab is simply to talk a lot: "I sat there and listened to him blab about all the famous people he knows." Blab comes from the Middle English blabbe, "one who does not control his tongue."

Keep Reading on Vocabulary.com

Vocabulary lists containing blab

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.

But if you descend into this tidy Arlington basement for a zigzag blab about the ideas that animate the band’s music, the paradoxes start piling up fast.

From Washington Post • Nov. 30, 2022

"All the 'career prosecutors' I know would never ever blab to a reporter about an ongoing case," tweets lawyer Tristan Snell.

From Salon • Sep. 23, 2022

“Right at the beginning. First interview. Blab, blab, blab. I regret it, but I put it out into the ether, and maybe I’ll learn something.”

From The Guardian • Mar. 22, 2019

It’s not fun for me to reread the stuff that I blab out about that kind of thing.

From Los Angeles Times • Aug. 23, 2018

"Confidential. I think he kinda trusts me not to blab his texts, you know?"

From "Will Grayson, Will Grayson" by John Green and David Levithan

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