What part of speech is the word beauty?

"Beauty" can be a few different parts of speech depending on how it's used in a sentence:

* Noun: This is the most common usage. "Beauty" refers to the quality of being pleasing, attractive, or excellent.

* Example: "The beauty of the sunset was breathtaking."

* Adjective: This is less common, but "beauty" can sometimes act as an adjective meaning "beautiful."

* Example: "She was a beauty queen." (Although in this case, "beauty" is often used as a noun meaning "beautiful woman.")

So, the specific part of speech depends on the context.