A puzzle is a type of game or mental challenge. Many puzzles involve putting together pieces of information in order to find a solution or solve a mystery.
Children and adults enjoy jigsaw puzzles.
We put together a 1000-piece jigsaw puzzle.
It’s fun to work on crossword puzzles found in newspapers.
It took me all day to finish the crossword puzzle in the New York Times.
The police couldn’t figure out how the art thieves were able to enter the museum. It was a real puzzle.
The police solved the crime once they found the missing piece of the puzzle.
One of our coworkers is kind of a puzzle. No one knows anything about where he lives or what he does after work.
jigsaw puzzle
You can use "puzzle" as a verb:
The disappearance of the airplane over the ocean puzzled investigators.
To tie shoelaces on shoes can puzzle a toddler.
The origins of the universe puzzle the imagination.
The words "puzzled" and "puzzling" are adjectives:
When Laura received her order she had a puzzled look on her face because the order was wrong.
The puzzled expression on the young man’s face showed that he did not know how to use the ticket kiosk at the airport.
You look puzzled. Do you have a question?
An ostrich is a puzzling creature whose behavior and appearance are unusual compared to other types of birds.