What part of speech is the word well?

The word "well" can be several parts of speech depending on its use in a sentence:

* Adverb: "He sings well." (Describing how he sings)

* Interjection: "Well, that's interesting." (Expressing surprise or hesitation)

* Noun: "The well was dry." (Referring to a source of water)

* Adjective: "He's in good health." (Describing a state of health)

To figure out the correct part of speech, you need to look at the context of the sentence.