mum's the word
English edit
Etymology edit
From mum (“silence”). Recorded since 1704.
Pronunciation edit
Audio (AUS) (file)
Phrase edit
- (idiomatic) Indicates that something is a secret and not to be divulged.
- She doesn't know anything about it yet, so mum's the word, OK?
- 1879, Anna Katharine Green, The Leavenworth Case: A Lawyer's Story, G. P. Putnam's Sons, page 256:
- … and that mum is the word till I give you liberty to speak
Translations edit
indicates that something is a secret
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