Synonyms to be silent

keep quiet, abide, be mute, be still, coast, forswear speech, freeze, keep mum, keep silent, keep still, lie still, make no sign, mark time, not breathe, not stir, play dumb, remain, remain motionless, repose, rest, say nothing, shut up, stand, stand fast, stand firm, stand mute, stand still, stay, stay put, stick, stick fast, tarry, tread water, bosom, classify, conceal, file and forget, hold out on, in petto, keep, keep back, keep between us, keep buttoned up, keep close, keep dark, keep from, keep in ignorance, keep secret, keep snug, keep under wraps, never let on, not give away, not tell, secrete, veil, withhold, anchoritic, answer, answer conclusively, argue down, bang, bar, barricade, batten, batten down, beleaguer, beset, besiege, blockade, bolt, bottle up, bound, box in, box up, button, button up, cage, cease, chamber, check, choke, choke off, clap, cloister, cloistered, close, close down, close in, close shop, close up, com