of or at a fairly low temperature, fashionably attractive or impressive, calmness, composure, or lack of excitement, showing no friendliness towards a person or enthusiasm for an idea or project

cool as a cucumber, cool one's heels, play it cool

cool down, cool off, cool beans

Formal and Informal Expressions of cool

In different contexts, you can replace 'cool' with suitable alternatives. In a more formal setting, 'composed, calm, unemotional' is apt. In informal speech or writing, 'hip, trendy' is a commonplace synonym.

cool: Explore its Definition & Usage

cool Definition

1of or at a fairly low temperature
2fashionably attractive or impressive
3calmness, composure, or lack of excitement
4showing no friendliness towards a person or enthusiasm for an idea or project

Using cool: Examples

Take a moment to familiarize yourself with how "cool" can be used in various situations through the following examples!

Example
The weather is cool today.
Example
He looks so cool in his new outfit.
Example
She remained cool under pressure.
Example
His response was cool and unenthusiastic.

cool Synonyms and Antonyms

Synonyms for cool

Antonyms for cool

Idioms Using cool

cool as a cucumber
very calm and composed, especially in a difficult situation
Example
Even though she was nervous, she appeared cool as a cucumber during the interview.
cool one's heels
to wait for a period of time, often impatiently
Example
I had to cool my heels in the waiting room for an hour before the doctor saw me.
play it cool
to act calm and composed, especially in a situation where one might be expected to be excited or emotional
Example
Even though he was thrilled to win the award, he tried to play it cool and not show too much emotion.

Phrases with cool

cool down
to become cooler or to make something cooler
Example
I need to cool down after my workout.
cool off
to become less angry or agitated
Example
I need to cool off before I can talk about this calmly.
cool beans
an expression of approval or agreement
Example
A: I just got us tickets to the concert. B: Cool beans!

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Summary: cool in Brief

The term 'cool' [kuːl] has multiple meanings. It can refer to temperature, fashion, composure, or lack of enthusiasm. Examples include 'The weather is cool today,' 'He looks so cool in his new outfit,' and 'His response was cool and unenthusiastic.' Phrases like 'cool down' and idioms like 'cool as a cucumber' extend the meaning to include calmness and patience.