(something) is cool

There are several meanings of "cool". Of course, there is the original meaning of "not hot". But other meanings include:

  • popular
  • interesting
  • relaxed and not easily stressed

"Cool" started off as slang, but has been used for so long that it's OK to use in most situations. A normal adult can use the word "cool" in any of these situations:

  • talking to a friend or family member
  • in a business meeting
  • talking to someone they just met
  • in an email message
  • in an advertisement

Situations in which it would be (just a little) strange to use "cool" are:

  • if you were born before 1940
  • in a written essay

This phrase appears in these lessons: