Learn how to use the comparative “cooler” and superlative “coolest” with example sentences and differences.

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Notes from a Native English Speaker

Comparative adjectives help us to describe how good or bad something is when compared to something else. For example, something is taller than something else. Superlative adjectives help us to describe something as having the most or least of a particular characteristic within a group. This makes it easier and more accurate to talk about and compare things.

What is the comparative form of “coolish”?

The comparative form of “coolish” is “cooler”.

Example

The weather today is cooler than yesterday.

Example

She prefers to wear cooler clothes in the summer.

What is the superlative form of “coolish”?

The superlative form of “coolish” is “coolest”.

Example

Among all the seasons, autumn is considered the coolest.

Example

The ice cream shop has the coolest flavors in town.

Why is this expression not used with most, more?

'Most' and 'more' are generally not used with cool, cooler, and coolest. They’re considered regular comparatives and superlatives. The forms 'more cool' and 'most cool' are not used because they sound awkward. Instead, cooler and coolest are the correct and preferred forms to use.

Does this expression have an irregular comparative/superlative form?

Cool does not have an irregular comparative or superlative form. It follows the standard pattern for forming comparatives and superlatives. So, to summarize: Comparative: CoolCooler Superlative: CoolCoolest

Expressions with similar meanings to “cooler”

Used to describe something that is colder in a refreshing or invigorating way

Example

The chillier temperatures made for a pleasant hike in the mountains.

Used to indicate something that is colder in a more intense or icy way

Example

The frostier air made her shiver as she walked outside.

A slightly formal way of expressing increased coolness

Example

The breeze from the ocean provided more refreshing relief from the heat.

Expressions with similar meanings to “coolest”

Similar to coolest, this emphasizes both coldness and a relaxed or laid-back atmosphere

Example

The pool party was the chillest event of the summer.

Used to describe the highest level of coldness in a more intense or icy way

Example

The frostiest day of winter made it difficult to go outside without bundling up.

A slightly formal way of expressing the highest level of coolness

Example

The most refreshing drink on a hot day is a glass of iced lemonade.

Using than with comparative “cooler”

When using the comparative form cooler to compare two things, you would use than to connect the two parts of the comparison: Example: "This room is cooler than the other one." Here, than is used to show that the temperature of 'this room' is lower than the temperature of the other room.

How can I use this expression in context?

“cooler” and “coolest” can be used in a variety of situations to compare speed.
  • 1Weather

    The evenings are getting cooler as autumn approaches.

    The evenings are getting cooler as autumn approaches.

  • 2Fashion

    She always wears the coolest outfits to parties.

    She always wears the coolest outfits to parties.

  • 3Food and Drinks

    The smoothie is the coolest drink on the menu.

    The smoothie is the coolest drink on the menu.

  • 4Technology

    The new smartphone has the coolest features.

    The new smartphone has the coolest features.

  • 5Pop Culture

    He has the coolest collection of vinyl records.

    He has the coolest collection of vinyl records.

Related idioms and phrases

As cool as a cucumber

To remain calm and composed, especially in stressful situations.

Example

Even though everyone was panicking, she stayed as cool as a cucumber.

Cool your jets

To calm down or relax.

Example

He was getting too worked up, so I told him to cool his jets.

Cool beans

An expression of approval or agreement.

Example

A: "I just got tickets to the concert." B: "Cool beans!"

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