1. a person who tells jokes or acts in a humorous way
2. a playing card that can be used to represent any other card in certain games
3. a person who behaves in an annoying or foolish way
Usage: informal

Examples

• He’s always been the class joker, making everyone laugh.
• She drew the joker from the deck and won the hand.
• The joker in the group kept interrupting the serious discussion.
• In poker, jokers are sometimes used as wild cards.
• Don’t be such a joker when we’re trying to work.
• The comedian was known as the joker of late-night television.
• He pulled out the joker and completed his straight.