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blab

[ blab ]
/ blæb /
Informal.
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See synonyms for: blab / blabbed / blabbing on Thesaurus.com

verb (used with object), blabbed, blab·bing.
to reveal indiscreetly and thoughtlessly: They blabbed my confidences to everyone.
verb (used without object), blabbed, blab·bing.
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
idle, indiscreet chattering.
a person who blabs; blabbermouth.
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Also blab·ber [blab-er]. /ˈblæb ər/.

Origin of blab

1325–75; Middle English blabbe (noun), perhaps back formation from blaberen to blabber; cognate with Old Norse blabbra,German plappern
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use blab in a sentence

British Dictionary definitions for blab

blab
/ (blæb) /

verb blabs, blabbing or blabbed
to divulge (secrets) indiscreetly
(intr) to chatter thoughtlessly; prattle
noun
a less common word for blabber (def. 1), blabber (def. 2)

Derived forms of blab

blabbing, noun, adjective

Word Origin for blab

C14: of Germanic origin; compare Old High German blabbizōn, Icelandic blabbra
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
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