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Dictionary-enhanced word family

Word Forms of “Cool”

When something is slightly cold or feels fresh, not hot.

Word Family of Cool

What is the noun of cool? — coolness

coolness

What is the verb of cool? — cool

cool

What is the adjective of cool? — cool

cool

What is the adverb of cool? — coolly

coolly

How to Use Each Word Form in a Sentence

  • I love swimming in cool water on hot summer days. A1
  • The cool morning air felt refreshing after running. A1
  • She wore a cool cotton shirt to stay comfortable. A2

Word Form Patterns for Cool

-ness

Adds **-ness** to make a noun meaning the state, quality, or condition of being something. Example: cool → coolness.

-ly

Adds **-ly** to make an adverb describing how an action happens. Example: cool → coolly.

Origin and Word Formation of Cool

Old English col; related to cold.

Common Word Form Mistakes with Cool

Wrong: The water is very cool.

Correct: The water is quite cool.

'Very' is used for gradable adjectives; 'quite' sounds more natural for cool temperatures.

Wrong: I am cool.

Correct: I feel cool.

When describing temperature, use 'feel' + adjective, not 'be' + adjective.

Frequently Asked Questions About Word Forms of Cool

What are the word forms of “cool”?

The confirmed forms are shown in the word family cards above. Missing parts of speech are hidden instead of filled with placeholder text.

What part of speech is “cool”?

“cool” is primarily a adj. Some forms above show how the same root works as other parts of speech.

Where does “cool” come from?

Old English col; related to cold.

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