What part of speech is downtown?

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

* Adjective: When describing a location, like "the downtown area."

* Noun: When referring to the central business district of a city, like "I live in downtown."

* Adverb: In some cases, it can act as an adverb modifying a verb, like "I'm going downtown for dinner."

It's important to look at the context of the sentence to determine the specific part of speech.