noun
- a person who pretends to be something they are not in order to impress others
- a difficult question or problem that is hard to solve
Usage: informal
Examples
- He’s such a poser, always bragging about things he’s never done.
- She thought he was a poser when he claimed to be a professional musician.
- The math problem was a real poser that stumped the entire class.
- The detective faced a poser when all the evidence seemed contradictory.
- Don’t be a poser just to fit in with the popular crowd.
- That riddle is quite a poser – I’ve been thinking about it for hours.