To be mystified means to feel completely puzzled or confused by something you can't explain or understand. When you're mystified, you're genuinely baffled, scratching your head and wondering how something could possibly work or why it happened. The confusion is deep and thorough, not a momentary uncertainty.

A detective might be mystified by clues that don't make sense together. A math student could feel mystified by a problem that seems impossible to solve, even after reading it three times. If your best friend suddenly stops talking to you for no apparent reason, you might be mystified by their behavior.

When magicians perform tricks, they want to leave their audience mystified, wondering, “How did they do that?” Scientists sometimes feel mystified by natural phenomena until they gather enough evidence to explain them.

Being mystified means experiencing that deeper bewilderment when something seems impossible or contradictory, when your brain simply can't make sense of what you're seeing or hearing. It's more profound than slight confusion about directions or forgetting a vocabulary word. The good news: that mystified feeling can motivate people to investigate, ask questions, and eventually solve the mystery.