As a noun:
* It refers to a distinctive way of pronouncing a language.
* *She spoke with a French accent.*
As an adjective:
* It means "emphasizing" or "drawing attention to."
* It's usually used in combination with other words, like "accent color" or "accent wall."
* *The room's accent color is a vibrant blue.*
Not an adverb:
* Adverbs describe verbs, adjectives, or other adverbs.
* "Accent" doesn't describe how an action is done.
Example:
* Incorrect: *She spoke accented.*
* Correct: *She spoke with an accent.*