Definition of blab in English:

blab

Line breaks: blab
Pronunciation: /blab
 
/

verb (blabs, blabbing, blabbed)

[no object] informal

noun

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  • A person who blabs: Sam should not have gone soft on a blab who squealed
    More example sentences
    • Anyhoo, it annoys me when the blabs plump for the same stuff.
    • 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.

Origin

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

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