Keep mum
Synonyms for Keep mum
- shut up
- close up
- clam up
- dummy up
- belt up
- button up
- be quiet
- keep quiet
- veil
- withhold
- conceal
- say nothing
- not tell a soul
- keep secret
- button your lip
- keep under wraps
- be discreet
- keep to oneself
- be the soul of discretion
- not let out a peep
- keep back
- play dumb
- stonewall
- shout up
- buttoned-up
- whitewash
- hide out
- harbor
- cover up
- finesse
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