* Adjective: This is the most common usage. It describes a noun, meaning something of great value or importance.
* Example: "She has a precious collection of antique dolls."
* Noun: It can be used as a noun, meaning something of great value or a beloved person.
* Example: "That painting is a real precious."
* Interjection: It can be used as an interjection, expressing surprise, delight, or affection.
* Example: "Precious! You're here!"
Let me know if you have any other words you'd like to know the part of speech for!