squelch

[skwelch]
verb (used with object)
1.
to strike or press with crushing force; crush down; squash.
2.
to put down, suppress, or silence, as with a crushing retort or argument.
verb (used without object)
3.
to make a splashing sound.
4.
to tread heavily in water, mud, wet shoes, etc., with such a sound.
noun
5.
a squelched or crushed mass of anything.
6.
a splashing sound.
7.
an act of squelching or suppressing, as by a crushing retort or argument.
8.
Also called squelch circuit, noise suppressor. Electronics. a circuit in a receiver, as a radio receiver, that automatically reduces or eliminates noise when the receiver is tuned to a frequency at which virtually no carrier wave occurs.

Origin:
1610–20; variant of quelch in same sense (perhaps blend of quell and quash); initial s perhaps from squash1

squelch·er, noun
squelch·ing·ly, adverb
squelch·ing·ness, noun
un·squelched, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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00:10
Squelch is one of our favorite verbs.
So is lollygag. Does it mean:
to introduce subtleties into or argue subtly about.
to spend time idly; loaf.
Collins
World English Dictionary
squelch (skwɛltʃ) [Click for IPA pronunciation guide]
 
vb
1.  (intr) to walk laboriously through soft wet material or with wet shoes, making a sucking noise
2.  (intr) to make such a noise
3.  (tr) to crush completely; squash
4.  informal (tr) to silence, as by a crushing retort
 
n
5.  a squelching sound
6.  something that has been squelched
7.  electronics a circuit that cuts off the audio-frequency amplifier of a radio receiver in the absence of an input signal, in order to suppress background noise
8.  informal a crushing remark
 
[C17: of imitative origin]
 
'squelcher
 
n
 
'squelching
 
adj
 
'squelchy
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

squelch
1624, "to fall, drop, or stomp on something (soft) with crushing force," possibly imitative of sound made. The fig. sense of "suppress completely" is first recorded 1864.
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
His shirtless photographs have done little to squelch his popularity.
Whatever the cause, once you find that philanthropic spirit, something as petty
  as a parking ticket isn't going to squelch it.
Experts agree that it is not enough merely to squelch the symptoms of heartburn.
Let's not allow taboos to squelch intelligent discussion.
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