What part of speech is the word shallow?

The word "shallow" can be several parts of speech, depending on its function in a sentence:

* Adjective: Describing something lacking in depth, either physically or figuratively.

* Example: "The pond was shallow." "He had a shallow understanding of the situation."

* Noun: Referring to a place with little depth, especially a part of a body of water.

* Example: "The ship ran aground on a shallow."

* Verb: To make or become less deep.

* Example: "The river shallows during the dry season."

So, without context, you can't definitively say what part of speech "shallow" is. You need to look at how it's used in the sentence.