What part of speech is bomb?

"Bomb" can be a few different parts of speech, depending on its context:

* Noun: When referring to the explosive device itself. Example: "He defused the bomb."

* Verb: When it means to attack or destroy something. Example: "They bombed the building."

* Adjective: When it means "excellent" or "amazing" (informal slang). Example: "That party was bomb!"

So, the part of speech for "bomb" depends on how it's used in the sentence.