Blab definition

blăb
To reveal (secret matters), especially through indiscreet or unreserved talk.
verb
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To reveal secret matters indiscreetly.
verb
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To chatter thoughtlessly or indiscreetly.
verb
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An incessant or indiscreet talker.
noun
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Lengthy chatter.
noun
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To give away (a secret) in idle chatter.
verb
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To chatter; prattle.
verb
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Loose chatter; gossip.
noun
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A person who blabs.
noun
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(intransitive) To tell tales; to gossip without reserve or discretion.
verb
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One who blabs; a babbler; a telltale; a gossip or gossiper.
noun
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Origin of blab

  • Middle English blabben to talk foolishly back-formation from blaberen

    From American Heritage Dictionary of the English Language, 5th Edition

  • Middle English blabben (“to talk foolishly”), back-formation from blaberen.

    From Wiktionary