What part of speech is the word sweet?

The word "sweet" can be several parts of speech, depending on how it's used in a sentence:

* Adjective: Describing something that tastes or smells pleasant. Example: "The cake was sweet."

* Noun: Referring to something sweet, like candy or a sweet drink. Example: "I have a craving for sweets."

* Interjection: Expressing pleasure or approval. Example: "Sweet! We won the game!"

It's important to consider the context to determine the correct part of speech.