1. causing confusion or puzzlement; difficult to understand or solve

Examples

• The detective found the case perplexing because there were no clear motives.
• Her perplexing behavior made it hard to predict what she would do next.
• The math problem was so perplexing that even the teacher needed time to solve it.
• The perplexing instructions left everyone confused about how to assemble the furniture.
• Scientists are still studying the perplexing phenomenon of ball lightning.
• The perplexing maze took us hours to navigate.
• His perplexing response to the simple question surprised everyone.