Meaning of Mum's the word
A phrase used to indicate that something should remain a secret.
In simple words: Don't tell anyone about it.
Mum's the word in a sentence
- When it comes to surprises, remember that mum's the word!
- She looked at me and said, 'Mum's the word, okay?'
- Let's keep this between us; mum's the word.
- He told me about the party, but mum's the word until then.
- She wanted to discuss it, but I said, 'Mum's the word,' so she agreed.
How to use Mum's the word
Use when asking someone to keep a secret. It's informal and typically used in casual conversation.
Grammar pattern
standalone expression
Memory hint
Imagine a mother with her finger on her lips, asking for silence about a secret.
Related words
Collocations with Mum's the word
- mum's the word on something
- keep mum
- mum's the word about this
- let's keep it mum
- say mum
Synonyms for Mum's the word
- keep it under wraps
- mum is the word
- let it out
- not a peep
- silence is golden
Common mistakes with Mum's the word
- Confused with 'mum' meaning mother.
- Using it in formal contexts where a serious tone is needed.
- Incorrectly spelling as 'Mums' instead of 'Mum's'.
Mum's the word appears in
Mum's the word in other languages
- Arabicالعربية
السر في بير وان
لا تخبر أحداً عن ذلك.
- Bengaliবাংলা
কথাটি গোপন রেখো
এটা কাউকে বলো না।
- GermanDeutsch
Kein Wort darüber, Das bleibt unter uns
Behalt's für dich.
- SpanishEspañol
En boca cerrada
No se lo digas a nadie.
- Persianفارسی
حرف نزن، سکوت کن
به کسی نگو.
- FrenchFrançais
Chut !
Ne le dis à personne.
- Hindiहिन्दी
चुप रहना
इसके बारे में किसी को मत बताना।
- ItalianItaliano
Acqua in bocca
Non dirlo a nessuno.
- PortuguesePortuguês
Fica entre nós
Não conte a ninguém sobre isso.
- RussianРусский
Молчок
Никому не говори об этом.
- Urduاردو
بات رکھو
کسی کو اس کے بارے میں مت بتاؤ۔
- Chinese中文
守口如瓶
别告诉任何人这件事。
More idioms like Mum's the word
- OvenA2
the part of a cooker that is like a box with a door on the front, in which food is cooked or heated
- OverseasB2
connected with foreign countries, especially those separated from your country by the sea or ocean
- ClerkB2
a person whose job is to serve customers in a shop
- Fortunes
A chance event or a person's wealth or success.
- FortuneB2
a large amount of money
- That's a king's ransom
An exceptionally large sum of money or valuable assets.
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Frequently asked questions about Mum's the word
What does Mum's the word mean?
Don't tell anyone about it.
What is the definition of Mum's the word?
A phrase used to indicate that something should remain a secret.
How do you use Mum's the word in a sentence?
When it comes to surprises, remember that mum's the word!
Can you give another example of Mum's the word?
She looked at me and said, 'Mum's the word, okay?'
What are synonyms for Mum's the word?
Common alternatives include keep it under wraps, mum is the word, let it out, not a peep, silence is golden.
What words go with Mum's the word?
It commonly pairs with mum's the word on something, keep mum, mum's the word about this, let's keep it mum, say mum.
What are common mistakes when using Mum's the word?
Confused with 'mum' meaning mother. Using it in formal contexts where a serious tone is needed. Incorrectly spelling as 'Mums' instead of 'Mum's'.
How do you pronounce Mum's the word?
US: //mʌmz ðə wɜrd//, UK: //mʌmz ðə wɜːd//. Listen to the audio above to hear native pronunciation.
Is Mum's the word formal or informal?
"Mum's the word" is informal, so it fits casual conversation with friends and family.
When should I use Mum's the word?
Use when asking someone to keep a secret. It's informal and typically used in casual conversation.

