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Let Sleeping Dogs Lie

Let Sleeping Dogs Lie.

English
idiom

Avoid bringing up old conflicts; it's better to leave certain things unmentioned.

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What it means...

To avoid bringing up a past problem that has already settled down.

When you let sleeping dogs lie, you choose not to revisit something that could easily restart a conflict.

It's used when bringing up an old issue would only make things worse with no real benefit.

Use it when…

  • When a past argument has calmed down and raising it again would restart the conflict
  • When revisiting an old work issue would create unnecessary tension in the team
  • When mentioning a sensitive topic from the past would only cause pain with no upside

Don’t confuse with...

Wrong icon

"Bury the Hatchet"

To formally end a conflict and make peace with someone

Wrong icon

"Sweep It Under the Rug"

To hide a problem instead of addressing it properly

Correct icon

"Let Sleeping Dogs Lie"

Deliberately not bringing up a settled issue to avoid making things worse

Where you’ll hear it

You’ll hear the "Let Sleeping Dogs Lie" idiom in real life — at work, in relationships, or in the media.

Work & Business

Management

A manager advises a new employee to let sleeping dogs lie about a long-resolved team dispute from the previous year.

Relationships & Social Life

Romantic Partners

A partner suggests they let sleeping dogs lie instead of rehashing a year-old argument during an otherwise good week.

Media & Everyday Life

News

A political analyst says both parties should let sleeping dogs lie on the old scandal and focus on current policy instead.

Use it like this

Here’s how to use "Let Sleeping Dogs Lie" idiom naturally in real conversations, with real examples.

Work & Business

Problem-Solving

Colleague

Should we bring up the old budget disagreement in tomorrow's meeting?

You

Let sleeping dogs lie — it's resolved and will only derail the agenda.

Relationships

Resolving Issues

Partner

I keep thinking about that argument we had last year — can we talk?

You

Let sleeping dogs lie — we moved past it and things are really good now.

Everyday Conversations

Opinions

Friend

Should I text him about what happened between us three years ago?

You

Let sleeping dogs lie — what would you even gain from reopening that?

Last updated:
April 20, 2026

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