When temperatures are between 40 degrees and 60 degrees Fahrenheit (five to 15 degrees Celsius), we say it’s cool outside.
- It’s a little cool outside. You’ll need a jacket.
- Many people around the world like cool, dry weather.
- In the United States, the weather usually gets cooler as you head north.
- The weather starts to cool off in the fall. (This sentence uses "cool" as a verb.)
This word is very popular as an adjective to describe things that are interesting, fun, popular, or new:
- Jose is wearing a really cool jacket.
- That movie we saw last night was so cool.
- Everyone says that Mr. Jones is a cool teacher.
- He’s so cool!
- That’s so cool!
He’s a cool cat!
There are many different ways to use this word:
- This soup is too hot. It needs to cool off a bit. (cool off = decrease in temperature)
- Rena was cool to the idea of working late. (She didn’t want to do it.)
- Tom lost his cool during the meeting. (He got mad. The word "cool" is a noun in this sentence.)
- Try not to lose your cool. (Try not to get mad.)
- We’ve decided to cool it for awhile. Things were getting too intense. (cool it = reduce activity)
- Cool it! (Stop fighting.)
- I told my boss I needed some vacation time and she was cool with that. (cool with = okay)
- Are you cool with this? (Is this okay?)
Note: The word "cool" is very popular to describe things, people, and ideas that are new and interesting. It started as a slang word, but now it’s used by just about everybody. It’s a good word to learn about.
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This page was first published on September 11, 2012. It was updated on August 30, 2015.