Definition of blab in English:



[no object]informal
  • 1Reveal secrets by indiscreet talk.

    ‘she blabbed to the press’
    with object ‘there's no need to blab the whole story’
    • ‘But tell him I want this handled by people who are reliable, who won't go blabbing to the press.’
    • ‘She can't go blabbing out secrets after the third round of drinks.’
    • ‘There has been a notable level of professionalism about the case, with none of the usual media leaks and no members blabbing too much to get some TV airtime.’
    • ‘There are going to be a few appearances that night, but I think they're sort of secret so I won't blab.’
    • ‘Public servants are obliged to consider whether or not they are blabbing a government secret on a constant basis.’
    • ‘She had blabbed to the whole world about what he pulled on the boys.’
    • ‘If I stand trial, they will put me under a truth potion, and I will blab all kinds of secrets… including yours.’
    • ‘Apparently, he had blabbed out to the whole school that Sean was my boyfriend.’
    • ‘My tot's secret was blabbed by her nursery nurse.’
    • ‘I wont go blabbing your secrets around the school and I won't tell your guardians,’ he smiled.’
    • ‘Get in the car, or we'll blab to the whole school, and your brother.’
    • ‘Who do you think would have blabbed about it to the whole school first?’
    • ‘When officials blabbed to reporters and anyone who would listen, they didn't realize that they were aiding and abetting an elaborate ploy to stick it to the CIA.’
    • ‘So go on kids - find yourself a nice juicy secret and blab it all over the place.’
    • ‘Okay, it doesn't matter, but don't go blabbing about this to the whole world, okay?’
    • ‘Not long ago one constituent flipped out and started blabbing to the feds and the press.’
    • ‘The Appeals Court canned him for blabbing to the press, and threw him off the case, but decided that his verdict hadn't been tainted by bias.’
    • ‘He thought that he could control the story, yet failed to spot one vital element: unless he blabbed, there was no story.’
    • ‘That's how long it had been since he'd blabbed about the whole movie theater incident.’
    • ‘I don't know what you know, but, for once, can you not do the sneaky thing, and blab it to the whole world, or post it on your evil blog, or whatever.’
    talk, give the game away, give the show away, open one's mouth, tell
    blurt out, let slip, let out, tell, reveal, betray, disclose, give away, divulge, leak, blow the lid off, take the lid off, blow something wide open
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    1. 1.1 Talk foolishly or mindlessly.
      ‘they blab on about responsibility’
      • ‘Hunter blabbed the whole way to his house, about this and that, about his classes and how he was upset that I wasn't in any of them.’
      • ‘The couple proceeded to blab on and on about wedding plans.’
      • ‘Do you realize I've been blabbing away here for almost two hours?’
      • ‘As he blabbed and blabbed I started to daydream.’
      • ‘So let the pundits blab on and on about the flavonols and the serotonin production and the endorphins released while eating it.’
      • ‘But anyways, I don't really want to blab on and on.’
      • ‘Cassie was blabbing about being able to pick locks.’
      • ‘These guys know how to write a catchy tune, but, occasionally, his lyrics tend to blab on about the typical whiny stuff too much.’
      • ‘They blab on about this header and that corner, about free kicks, fouls, yellow cards, and sendings off and about players being offside.’
      • ‘Rave and Rose are sitting in the back of the class while the teacher blabs on about vampires.’
      • ‘‘I must say I didn't expect you to be here for this crime,’ he blabbed.’
      • ‘The two of them blabbed the whole night, making it impossible for me to watch television.’
      • ‘Anyway, I should probably stop blabbing and get to work…’
      • ‘Chris can you stop blabbing and get to the point?’
      • ‘Instantly, as if he pressed a ‘talk’ button, I started blabbing without taking a breath.’
      • ‘But there's a difference between sharing and blabbing.’
      • ‘Wihout any further blabbing from me, please put your hands together for our special guests this evening!’
      • ‘The average home user won't know, and even if you tried to explain it to him, he probably wouldn't care any more than you'd care about some guy blabbing on about washing machines.’
      • ‘I've never apologized to him for all the things I did, never thanked him for listening to me blab on about what was wrong.’
      • ‘Otherwise he would keep blabbing away about story, character, acting, drawing, all the while demonstrating with great sketches.’
      chatter, chitter-chatter, chat, talk, gossip, gabble, babble, prattle, jabber, blather
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  • A person who blabs.

    ‘Sam should not have gone soft on a blab who squealed’
    • ‘We thought it was a good deal; Grandma could smoke her cigars in Edith's face and catch up on all the daily gossip since Edith was a big blab.’
    • ‘Anyhoo, it annoys me when the blabs plump for the same stuff.’


Middle English (as a noun): probably of Germanic origin; ultimately imitative.