Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To crush by or as if by trampling; squash.
  • transitive v. To put down or silence, as with a crushing retort: squelch a rumor.
  • transitive v. To suppress or inhibit: a protein that squelches gene transcription.
  • intransitive v. To produce a splashing, squishing, or sucking sound, as when walking through ooze.
  • n. A squishing sound.
  • n. A crushing reply.
  • n. An electric circuit that cuts off a radio receiver when the signal is too weak for reception of anything but noise.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. to halt, stop, eliminate, stamp out, or put down, often suddenly or by force
  • v. to suppress the unwanted hiss or static between received transmissions by adjusting the gain of your receiver.
  • v. to make a sucking, splashing noise as when walking on muddy ground
  • v. to walk or step through a substance such as mud
  • n. A squelching sound.

from the GNU version of the Collaborative International Dictionary of English

  • n. A heavy fall, as of something flat.
  • n. A crushing reply.
  • intransitive v. To make a sound like that made by the feet of one walking in mud or slush; to make a kind of swashing sound; to squish; also, to move with such a sound.
  • transitive v. To quell; to crush; to silence or put down.

from The Century Dictionary and Cyclopedia

  • To crush down; stamp on as if squeezing out something liquid; put an end to.
  • To disconcert; discomfit; put down.
  • To be crushed.
  • To make a sound like that produced by treading in mud.
  • n. A crushing blow; a heavy fall.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. to compress with violence, out of natural shape or condition
  • n. a crushing remark
  • v. make a sucking sound
  • v. suppress or crush completely
  • v. walk through mud or mire
  • n. an electric circuit that cuts off a receiver when the signal becomes weaker than the noise

Etymologies

Probably imitative.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

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  • A homographic homophonic autoantonym that means to silence, or to make a (squishy) sound.

    January 29, 2013

  • You're right V. Just saying this word pushes mud up between your toes.

    September 5, 2008

  • squelch has a definite fruit-smashing or walking-through-muck sound to it.

    January 5, 2007