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Ace in the Hole

Ace in the Hole.

English
idiom

A hidden advantage or resource that you can use when needed.

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What it means...

A secret advantage or resource kept in reserve until the right moment.

An ace in the hole is something you hold back deliberately and use at a decisive moment to gain an edge.

It implies careful planning and an element of surprise.

Use it when…

  • When a negotiator has a key piece of information the other side doesn't know about
  • When a team keeps their strongest plan hidden until the final stage
  • When someone saves their best argument for exactly the right moment

Don’t confuse with...

Wrong icon

"Up Your Sleeve"

A trick or plan kept hidden, used more casually and broadly

Wrong icon

"Wild Card"

An unpredictable element whose outcome is unknown, not a strategic reserve

Correct icon

"Ace in the Hole"

A secret advantage deliberately saved for a decisive moment

Where you’ll hear it

You’ll hear the "Ace in the Hole" idiom in real life — at work, in relationships, or in the media.

Work & Business

Negotiation

The lawyer revealed her ace in the hole at the final hearing, stunning the opposing counsel.

Relationships & Social Life

Friends

His ace in the hole at trivia night was his encyclopedic knowledge of 90s pop music.

Media & Everyday Life

TV Shows / Movies

Everyone thought they were losing until the CEO played his ace in the hole.

Use it like this

Here’s how to use "Ace in the Hole" idiom naturally in real conversations, with real examples.

Work & Business

Meetings

Boss

What if they reject our initial offer?

You

Don't worry — we have an ace in the hole. There's an angle they haven't seen.

Relationships

Honest conversations

Friend

How are you so calm about the competition?

You

I have an ace in the hole — something they won't be expecting.

Everyday Conversations

Storytelling

Friend

How did you win the negotiation?

You

I had an ace in the hole — data they hadn't seen. Changed everything.

Last updated:
April 20, 2026

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