• (British, GA) IPA: /ˈskwɛltʃ/

squelch (squelches, present participle squelching; 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.

   • c. 1615–1616, Thomas Middleton; John Fletcher, “The Nice Valovr, or, The Passionate Mad-man”, in Comedies and Tragedies […], London: Printed for Humphrey Robinson, […], and for Humphrey Moseley […], published 1647, OCLC 3083972 ↗, Act 5, scene 1:

     Oh 'twas your luck and mine to be squelched.

   • 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, British) to make a sucking, splashing noise as when walking on muddy ground

   The mud squelched underfoot; it had been raining all night.

   • 1960, P[elham] G[renville] Wodehouse, chapter XVI, in Jeeves in the Offing, London: Herbert Jenkins, OCLC 1227855 ↗:

     [After they both fell into the lake.] Reaching the mainland some moments later and squelching back to the house, accompanied by Bobbie, like a couple of Napoleons squelching back from Moscow, [...]

4. (intransitive, British) to walk or step through a substance such as mud

   The mud was thick and sticky underfoot, but we squelched through it nonetheless.

• (to halt) quash

• Russian: уничтожа́ть
• Spanish: aplastar

• French: faire floc floc, faire flip-flap
• German: matschen
• Russian: хлюпать
• Spanish: chapotear

squelch

1. (countable) A squelching sound.
2. (radio technology) The suppression of the unwanted hiss or static between received transmissions by adjusting the gain of the receiver.
3. (countable, dated) A heavy blow or fall.
4. (countable, music) A kind of electronic beat used in acid house and related music genres.
   • 1998, Colin Larkin, The Virgin Encyclopedia of Dance Music (page 91)

     Through a process of experimentation the 'acid squelch' sound came forth, which was recorded and passed on to DJ Ron Hardy to play at his Warehouse club.

• Russian: хлюпанье