squelch n. + Add to list US //ˈskwɛɫtʃ// UK //skwˈɛltʃ// squelch Archaic SynonymsEtymology Synonyms put downquellquenchsloshsplashsploshsquelchersquishtakedownOrigin Unknown. Perhaps a blend of squash + quell + quench. Compare also English squolsh, English squoosh.