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Region: General | Usage example: I will keep my lips sealed about the surprise.

Keep your lips sealed

Meaning

Remain silent and keep a secret.

Usage

Used when asking for discretion.

Origin & History

Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.

Imagery of sealing the mouth shut.

Used since the 1800s in etiquette guides.

Related Idioms

Keep your cards close to your chest

Remain secretive about your plans.

Keep it under your hat

Keep something secret.

Keep your ears open

Be attentive and listen for useful information.

More Idioms

Break the ice

To do or say something to relieve tension or get conversation going in a social situation.

Cut to the chase

Skip ahead to the most important or exciting part of something.

The ball is in your court

It is now your turn to take action or make a decision.

Throw in the towel

To concede defeat or admit a struggle isn't worth continuing.