What part of speech is the word modern?

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

* Adjective: Describing something as belonging to the present or recent times.

* Example: "This is a modern building."

* Noun: Referring to the present or recent times as a period.

* Example: "The modern era is marked by technological advancements."

* Adverb: Modifying a verb, adjective, or another adverb to indicate something is done in a contemporary style.

* Example: "She dresses very modern."

So, the part of speech for "modern" depends on the context.