sit down on (verb) muffle: suppress, make quiet
Sinonime: conceal,
cover, cushion, dampen, deaden,
decrease,
drown,
dull,
envelop, gag,
hide, hush,
mellow,
mute, muzzle, put the lid on, quieten, shut down,
silence, sit down on,
smother, soft-pedal,
soften, squelch,
stifle,
subdue, tone down,
wrap*
Antonime: blab, let loose,
tell