An understatement is when you describe something as less impressive, serious, or extreme than it really is. If your friend scores the winning goal in the championship game and you say “Nice kick,” that's an understatement. The kick won the whole tournament, and calling it merely “nice” downplays its importance!

People use understatements in different ways. Sometimes it's for humor. When a character in a movie walks away from a huge, dangerous event and says “Well, that was interesting,” the joke works because everyone knows it was terrifying and life-threatening.

Other times, understatement shows modesty or restraint. When an Olympic gymnast who just performed an incredible routine says “I'm pretty happy with how that went,” she's not bragging even though she has every right to celebrate.

The opposite of understatement is exaggeration or hyperbole, where you make something sound bigger or more dramatic than it is. Both can be useful, but understatement can carry more weight because it lets the facts speak for themselves. When someone says “Einstein was fairly smart,” the understatement actually emphasizes just how brilliant he was.