Why hasn't the word 'cool' gone out of fashion?

Because it’s a cool word.

Because it's such a cool word. Way cooler than "groovy."

Because its one of the Coolest words ever...

because cool is Always cool..........

unlike "fresh" and "rad" and "boss"............cool, is still just cool.

Cool story bro.

Because this cool world is not too cool to say goodbye to this cool cool word.

Because it's a timeless word

Because people like using it.

Cool beans.

because it is COOL