Synonyms of clamming

1 Syllable
squelch, gag, clam, hush, dumb, quash, still, quiet, lull, quell, shush, dull, mute
2 Syllables
muzzle, subdue, deaden, stifle, muffle, hush-hush, suppress, quieten, dampen
3 Syllables
soft-pedal, extinguish, tongue-tie
4 Syllables
overawe