Mum's the word
Definitions
keeping quiet
To keep something a secret or to not reveal any information about a particular topic or situationsilence
To remain silent or not speak about something, especially when it is important to do so
Examples of Mum's the word
"I know something exciting is happening, but you have to promise me that mum's the word. I don't want to ruin the surprise for anyone."
This idiom means to keep a secret and not reveal it to anyone. The phrase "mum's the word" comes from the idea that mothers often tell their children to be quiet or not speak about something, using the word "mum" as a shorthand for "silence". In this example, the speaker is asking someone to keep a secret and not spoil a surprise by promising that they will remain silent, just as a mother might ask her child to be quiet about something.
Conclusion
The idiom "mum's the word" is often used to convey the idea of keeping quiet or remaining silent about something. It can be used in a cautionary manner, advising against sharing information or revealing secrets. It can also be used to describe a situation where someone chooses not to speak up or disclose information, even when it may be necessary or beneficial to do so.Origin of "Mum's the word"
The origin of this idiom is uncertain, but it is believed to have originated in the early 18th century in England. The word "mum" in this context comes from the Middle English word "mumme," meaning "silent" or "silent one." It was also used as a term of endearment for one's mother, which may have contributed to the phrase's current usage.
Some sources suggest that the idiom may have been derived from the practice of mothers placing their finger over their lips to signal children to be quiet. Others believe it may have come from the Latin phrase "memento mori," meaning "remember that you must die," which was often shortened to "memento" or "mem" and eventually evolved into "mum."
Regardless of its exact origin, "mum's the word" has become a widely recognized phrase in the English language, often used in both formal and informal settings. Its versatility and simplicity make it a popular idiom for conveying the idea of keeping quiet or not revealing information.