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Unknown. Perhaps a blend of squash +‎ quell +‎ quench. Compare also English squolsh, English squoosh.



squelch (third-person singular simple present squelches, present participle squelching, simple past and past participle squelched)

  1. (transitive, US) to halt, stop, eliminate, stamp out, or put down, often suddenly or by force
    Even the king’s announcement could not squelch the rumors.
    • Beaumont and Fletcher
      Oh 'twas your luck and mine to be squelched.
    • Carlyle
      If you deceive us you will be squelched.
  2. (transitive, radio technology) to suppress the unwanted hiss or static between received transmissions by adjusting a threshold level for signal strength, below which the signal is suppressed by applying a gain of zero, and above which a positive (and linear from zero) gain is applied.
  3. (intransitive, Britain) to make a sucking, splashing noise as when walking on muddy ground
    The mud squelched underfoot; it had been raining all night.
  4. (intransitive, Britain) to walk or step through a substance such as mud
    The mud was thick and sticky underfoot, but we squelched through it nonetheless.



The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout#Translations.


squelch (plural squelches)

  1. A squelching sound.
  2. (radio technology) suppression of the unwanted hiss or static between received transmissions by adjusting the gain of the receiver.

Derived terms[edit]