What part of speech is cheer?

"Cheer" can be several parts of speech depending on how it's used in a sentence:

* Noun: A feeling of happiness or excitement. (Example: "There was a lot of cheer at the party.")

* Verb: To shout words of encouragement. (Example: "The crowd cheered for the winning team.")

* Interjection: An exclamation expressing happiness or encouragement. (Example: "Cheer! We did it!")

So, it depends on the context!