definitions

blab

[ blab ]
/ blæb /
Informal.
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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.

RELATED WORDS

blathering, chitchatting, gibbering, blithering, jabbering, blather, prate, ramble, babble, blabber, waffle, prattle, gabble, gab, twaddle, jabber, jaw, buzz, yak

Nearby words

bks., bkt., bl, bl lac object, bl., blab, blabber, blabbermouth, black, black acacia, black alder
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. 2019

British Dictionary definitions for blabbering

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

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