informal2K

UK//ðæts nɒt kuːl//US//ðæts nɑt kul//

Meaning of That's not cool

A phrase used to indicate disapproval of someone's actions or behavior.

In simple words: That behavior is not acceptable or nice.

That's not cool in a sentence

  • John didn't invite Mia to the party. That's not cool.
  • Making fun of someone in public? That's not cool.
  • I heard you cheated on the test. That's not cool.
  • Telling lies about your friends is really not cool.

How to use That's not cool

Used in casual conversations to express disapproval. Avoid in formal settings. Suitable among friends or in relaxed environments.

Grammar pattern

standalone expression

Memory hint

Think of a temperature; if it's hot, it’s not cool.

Related words

Collocations with That's not cool

  • not cool at all
  • that's really not cool
  • that's so not cool

Synonyms for That's not cool

  • that's unacceptable
  • that's not right
  • not okay
  • that's unfair

Common mistakes with That's not cool

  • Using in formal conversations where a more serious tone is needed.
  • Confusing with 'that's cool', which means approval.
  • Mispronouncing it as 'that's knot cool'.

That's not cool appears in

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Frequently asked questions about "That's not cool"

What does "That's not cool" mean?

That behavior is not acceptable or nice.

What is the definition of "That's not cool"?

A phrase used to indicate disapproval of someone's actions or behavior.

How do you use "That's not cool" in a sentence?

John didn't invite Mia to the party. That's not cool.

Can you give another example of "That's not cool"?

Making fun of someone in public? That's not cool.

What are synonyms for "That's not cool"?

Common alternatives include that's unacceptable, that's not right, not okay, that's unfair.

What words go with "That's not cool"?

It commonly pairs with not cool at all, that's really not cool, that's so not cool.

What are common mistakes when using "That's not cool"?

Using in formal conversations where a more serious tone is needed. Confusing with 'that's cool', which means approval. Mispronouncing it as 'that's knot cool'.

How do you pronounce "That's not cool"?

US: //ðæts nɑt kul//, UK: //ðæts nɒt kuːl//. Listen to the audio above to hear native pronunciation.

Is "That's not cool" formal or informal?

"That's not cool" is informal, so it fits casual conversation with friends and family.

When should I use "That's not cool"?

Used in casual conversations to express disapproval. Avoid in formal settings. Suitable among friends or in relaxed environments.