What part of speech is obscure?

"Obscure" can be several parts of speech depending on how it's used:

* Adjective: Describing something that is difficult to understand, see, or perceive. Example: "The meaning of the poem was obscure."

* Verb: To hide or conceal something. Example: "The clouds obscured the sun."

* Noun: Something that is difficult to understand or unclear. Example: "The book was full of obscurities."

So, you need to look at the context of the sentence to determine the part of speech.