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blab

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blab

[blab] verb, blabbed, blab⋅bing, noun Informal.
–verb (used with object)
1. to reveal indiscreetly and thoughtlessly: They blabbed my confidences to everyone.
–verb (used without object)
2. 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
3. idle, indiscreet chattering.
4. a person who blabs; blabbermouth.
Also, blab⋅ber [blab-er] .


Origin:
1325–75; ME blabbe (n.), perh. back formation from blaberen to blabber; c. ON blabbra, G plappern
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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blab   (blāb)   
v.   blabbed, blab·bing, blabs

v.   tr.
To reveal (secret matters) especially through indiscreet or unreserved talk.
v.   intr.
  1. To reveal secret matters.

  2. To chatter thoughtlessly or indiscreetly. See Synonyms at gossip.

n.  
  1. An incessant or indiscreet talker.

  2. Lengthy chatter.


[Middle English blabben, to talk foolishly, back-formation from blaberen.]
blab'by adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Slang Dictionary
blab [blæb]

  1. n.
    talk; chatter; meaningless talk. : I never pay any attention to blab like that.
  2. tv.
    to tell a secret; to reveal something private in public. : Tiffany blabbed the whole thing.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw Hill.
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Word Origin & History

blab 
1535, from noun meaning "one who does not control his tongue" (c.1374), probably echoic.
Online Etymology Dictionary, © 2001 Douglas Harper
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Abbreviations & Acronyms
BLAB
Biomedical Library Acquisitions Bulletin
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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