Lose your cool

USAGE SUMMARY

The phrase "lose your cool" is a correct and commonly used phrase in written English.
It means to become emotionally or mentally agitated, frustrated or angry. Example: "I was trying to stay calm during the meeting, but when my boss started criticizing my work, I completely lost my cool and snapped at him."

✓ Grammatically correct

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Lose your cool at the wrong time and you may lose your shirt.

The New York Times - Sports

Lose your cool, your sanity level drops, and the game will be over.

WikiHow

You will lose your cool – many times.

The New York Times

"You just couldn't lose your cool.

The New York Times - Sports

"Don't lose your cool," she urged.

The New York Times

Might you be tempted to lose your cool?

Independent

If you lose your cool, that's what they want.

The New Yorker

Don't lose your cool during the cross-examination.

The New York Times

"You can't lose your cool; it could be a test," Ms. Trumino said.

The New York Times

LONDON — For an ambitious politician, it is rarely a good idea to lose your cool — and never with the police.

The New York Times

"I teach them how to position your finger to hit the 'fastest finger first' fast, how not to lose your cool and how to make optimal use of your lifelines," he said.

The New York Times

Expert writing Tips

Best practice

When writing, use "lose your cool" to describe a situation where someone becomes visibly angry, frustrated, or loses control of their emotions. It's appropriate in informal and semi-formal contexts.

Common error

Avoid using "lose your cool" when a more formal or clinical term is necessary. In professional or academic writing, consider alternatives like "become agitated" or "exhibit heightened emotionality" to maintain a neutral tone.

Linguistic Context

The phrase "lose your cool" functions as an idiomatic expression to describe a state of agitation or emotional dysregulation. It suggests a departure from a calm and composed demeanor, as supported by Ludwig's examples indicating contexts where maintaining composure is crucial.

Expression frequency: Very common

Frequent in

Wiki

50%

News & Media

43%

Science

3%

Less common in

Encyclopedias

0%

Social Media

0%

Formal & Business

0%

Ludwig's WRAP-UP

In summary, "lose your cool" is a very common idiomatic phrase that describes a loss of composure, often resulting in anger or frustration. Ludwig AI confirms that the phrase is grammatically correct and widely used in English. The primary contexts for this phrase are News & Media and Wiki sources, indicating a neutral to informal register. While the phrase is acceptable in many situations, it should be used cautiously in formal or professional settings, where more neutral language may be preferred. Related phrases include "lose your composure" and "lose your temper".

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

Lose your composure

This alternative focuses on the loss of a calm and controlled demeanor.

Lose your temper

This alternative is a more direct way of saying someone became angry.

Fly off the handle

This alternative suggests a sudden and uncontrolled outburst of anger.

Blow a fuse

This alternative implies a sudden and intense burst of anger.

Go ballistic

This alternative suggests an extreme and uncontrolled reaction.

Flip out

This alternative indicates a sudden loss of control and emotional stability.

Go crazy

This alternative indicates a loss of rational behavior due to anger or stress.

Get worked up

This alternative suggests becoming agitated and stressed.

Become enraged

This alternative describes a state of intense anger.

Get hot under the collar

This alternative implies becoming flustered and angry.

FAQs

How to use "lose your cool" in a sentence?

You can use "lose your cool" to describe someone becoming angry or agitated, for example: "It's important not to "lose your cool" during a negotiation."

What can I say instead of "lose your cool"?

You can use alternatives like "lose your composure", "fly off the handle", or "lose your temper" depending on the context.

Is it better to say "lose your cool" or "lose your temper"?

"Lose your cool" and "lose your temper" are very similar. "Lose your cool" can refer to a broader loss of composure, while "lose your temper" specifically implies anger.

When is it inappropriate to use "lose your cool"?

It's best to avoid "lose your cool" in very formal or professional writing. Use more neutral or clinical terms like "become agitated" or "show heightened emotionality" in those settings.