Here's how it works:
* Adjective: This is the most common usage. It means something is difficult, complicated, or requires skill and care.
* Example: "That math problem was tricky."
* Noun: This is less common but still valid. It refers to a tricky person or a cunning or sly maneuver.
* Example: "He was a tricky customer, always trying to get a better deal."
Let me know if you have any other words you'd like to explore!