Definitions of blowback
  1. noun
    the backward escape of gases and unburned gunpowder after a gun is fired
    synonyms: backfire
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    back-blast, backblast
    backfire from a recoilless weapon
    type of:
    blowup, detonation, explosion
    a violent release of energy caused by a chemical or nuclear reaction
  2. noun
    misinformation resulting from the recirculation into the source country of disinformation previously planted abroad by that country's intelligence service
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    type of:
    information that is incorrect
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