* Noun: When referring to the concept of wickedness or harm, "evil" is a noun.
* Example: "The villain was consumed by pure evil."
* Adjective: When describing something as wicked, harmful, or morally wrong, "evil" is an adjective.
* Example: "The evil dictator ruled with an iron fist."
* Adverb: While less common, "evil" can be used as an adverb to modify a verb, adjective, or other adverb, meaning "wickedly" or "harmfully."
* Example: "The witch smiled evilly."
So, the part of speech depends on the context of the sentence.