A penalty is a punishment or disadvantage that comes from breaking a rule or law. In sports, when a player commits a foul, the referee might give their team a penalty: in soccer, this could be a free kick for the other team, while in hockey, the player might have to sit out for several minutes. In football, penalties move your team backward on the field, making it harder to score.

Outside of sports, penalties work the same way. If you return a library book late, you might pay a penalty fee. If a company breaks environmental laws, it might face a penalty of millions of dollars. When you drive too fast, the penalty is a speeding ticket.

The severity of a penalty usually matches the seriousness of the rule broken. A small penalty might just mean losing a turn in a board game, while a major penalty in the legal system could mean prison time. The point of penalties is to discourage people from breaking rules and to keep things fair for everyone. When you see professional athletes playing carefully to avoid penalties, or when you double-check the due date on a library book, you're seeing how penalties shape behavior.