Exact Match:
- keep quiet
- refrain from divulging sensitive information; keep quiet about confidential information; "Don't tell him any secrets--he cannot keep his mouth shut!"
Synonyms:
- abide,
- be mute,
- be silent,
- 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