Humor is the quality that makes something funny or amusing. When a joke has good humor, it makes people laugh. When a story is full of humor, readers smile and chuckle as they read.

Humor also describes someone's ability to see and appreciate what's funny. A person with a good sense of humor can laugh at jokes, find amusement in everyday situations, and sometimes even laugh at themselves when they make mistakes. Someone without much humor might miss jokes or take everything too seriously.

Different people find different things funny. Some humor is silly and playful, like puns or knock-knock jokes. Some is clever and surprising, catching you off guard with an unexpected twist. Some humor is gentle, while other humor is sarcastic or biting. Understanding what kind of humor works in different situations is part of developing social intelligence. A joke that's hilarious with friends might fall flat in class, and teasing that seems funny to you might hurt someone else's feelings, so it's important to pay attention to how others react.