\ ˈblab How to pronounce blab (audio) \

Definition of blab

 (Entry 1 of 2)

1 archaic : one that blabs : tattletale
2 : idle or excessive talk : chatter


blabbed; blabbing

Definition of blab (Entry 2 of 2)

intransitive verb

1 : to talk idly or thoughtlessly
2 : to reveal a secret especially by indiscreet chatter

transitive verb

: to reveal especially without reserve or discretion blabbed the whole affair to the press

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Other Words from blab


blabby \ ˈbla-​bē How to pronounce blabby (audio) \ adjective

Examples of blab in a Sentence


Don't tell Mary. She'll blab it all over town. “How did she find out about the surprise party?” “Tom blabbed.” He kept blabbing on and on about politics.
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Recent Examples on the Web: Noun

Doing this will: kick your blab habit; conquer your fear of rejection (worst case, you get rejected for being yourself, far better than being loved for faking it); and render your what-to-tell question moot. Carolyn Hax, idahostatesman, "Afraid to go directly to boyfriend with relationship problems | Idaho Statesman," 19 Mar. 2018 Want to hear a scientist blab about his latest project? Steven Strom, Ars Technica, "The Red Strings Club," 7 Feb. 2018

Recent Examples on the Web: Verb

Boisterous lunch customers pack tables, blabbing in Spanish, Portuguese, Chinese, Greek and English. Seth Kugel, New York Times, "A Whirlwind, Round-the-World Food Tour of Queens," 1 July 2019 Two teens who have been hanging around the hostage situation overhear the news and immediately blab about the update on the Smithereen app. Ariana Romero,, "Black Mirror Season 5, Episode 2 Recap: "Smithereens"," 31 May 2019 In 1962, Powers was swapped for Soviet spy Rudolf Abel (who, unlike Powers, never blabbed to his captors). Edward Kosner, WSJ, "‘A Brotherhood of Spies’ and ‘Above and Beyond’ Review: When Spies Took to the Skies," 12 July 2018 Last week: 7 Jean Blanc put himself through the most awkward exit of the season after nonsensically blabbing about his intensely strong feelings for Becca. Nick Schwartz, For The Win, "Bachelorette Power Rankings: Becca endures a brutally awkward elimination in Week 4," 19 June 2018 Moves Like Jagger’ and ‘Sugar.’ Throughout the drive, Corden and Levin blabbed about his coaching tenure on The Voice, his friendship with Voice coach Blake Shelton and Levine's tattoos. Lexy Perez, Billboard, "Adam Levine and James Corden Get Stopped by Police on 'Carpool Karaoke': Watch," 25 May 2018 Over-interest in a colleague’s travel details aside, Renee shouldn’t have been blabbing about someone else’s vacation to an indiscriminate group of co-workers in the first place. New York Times, "Your Job Is More Intense. Your Pay and Title Haven’t Kept Up.," 25 May 2018 In the book, the tight-lipped twosome are suddenly blabbing their heads off. Michael Heaton,, "Half of Steely Dan is better than none: Minister of Culture," 2 May 2018 When a friend shares a fear, her friend must not laugh; when a friend tells a secret, her friend must not blab; when a friend eats her own feces immediately after defecating, her friend must not talk about it on Jimmy Kimmel Live. Kelly Conaboy, The Cut, "Rude Shia LaBeouf Tells Dog’s Secret on Live TV," 13 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'blab.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of blab


14th century, in the meaning defined at sense 1


15th century, in the meaning defined at intransitive sense 1

History and Etymology for blab


Middle English blabbe; akin to Middle English blaberen

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Statistics for blab

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Time Traveler for blab

The first known use of blab was in the 14th century

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More Definitions for blab



English Language Learners Definition of blab

: to say something that was supposed to be kept secret
: to talk too much


\ ˈblab How to pronounce blab (audio) \
blabbed; blabbing

Kids Definition of blab

1 : to reveal a secret
2 : to talk too much

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More from Merriam-Webster on blab

Rhyming Dictionary: Words that rhyme with blab

Thesaurus: All synonyms and antonyms for blab

Spanish Central: Translation of blab

Nglish: Translation of blab for Spanish Speakers

Comments on blab

What made you want to look up blab? Please tell us where you read or heard it (including the quote, if possible).


not constant or steady

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