| cool out(expression, quiet, inactivate) |
| decrease the volume(expression, idiom, quieten, shush, dulling) |
| decrease volume(expression, quieten, shush, dulling) |
| discreet(quiet, restrained) |
| dry up(expression, close, gag, quieten, shush) |
| drying up(expression, close, gag, quieten, shush) |
| dulling(quieten, shush) |
| held down(expression, close, quiet, gag, stoppered) |
| hesitant(quiet, restrained, discreet) |
| hold down(expression, close, quiet, gag, stoppered) |
| hold it down(expression, idiom, close, quiet, gag) |
| hold tongue(expression, quieten, shush, dulling) |
| inactivate |
| inaudible(still, hushed, soundless) |
| keep down(expression, close, gag, quieten, shush) |
| keep it down(expression, idiom, quieten, shush, dulling) |
| low(quiet, soft, silent) |
| make silent(expression, quiet, inactivate) |
| not talkativ(expression, adjective, close, quiet, soft) |
| overawe(quieten, shush, dulling) |