mum's the word
sayingsaid when you tell someone, or agree with someone, to keep something a secret:
"I'm not telling people generally yet." "OK, mum's the word!"
Thesaurus: synonyms and related words
Secrecy and privacy
- anonymity
- anonymize
- anonymous
- backroom
- backstage
- counsel
- dissimulate
- dissimulation
- entre nous
- executive privilege
- furtive
- lid
- lip
- privately
- privileged
- sanctum
- secrecy
- secret
- skeleton
- sweep
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