• synonyms


See more synonyms for blab on Thesaurus.com
verb (used with object), blabbed, blab·bing.
  1. to reveal indiscreetly and thoughtlessly: They blabbed my confidences to everyone.
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verb (used without object), blabbed, blab·bing.
  1. 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.
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  1. idle, indiscreet chattering.
  2. 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. 2018

Related Words for blab

divulge, disclose, blather, gab, reveal, babble, jabber, spill, gabble, tattle, mouth, betray, yak, prattle, chatter, tell, squeal, peach

Examples from the Web for blab

Contemporary Examples of blab

Historical Examples of blab

British Dictionary definitions for blab


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

Word Origin and History for blab


mid-15c., apparently from Middle English noun blabbe "one who does not control his tongue" (late 13c.), probably echoic. Related: Blabbed; blabbing. The exact relationship between the blabs and blabber is difficult to determine. The noun was "[e]xceedingly common in 16th and 17th c.; unusual in literature since c 1750" [OED].

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Online Etymology Dictionary, © 2010 Douglas Harper