What are the superlative forms of word empty?

The word "empty" is already in the superlative form. There is no separate superlative form for "empty" because it describes a state of being, not a degree of something.

Here's why:

* Superlative forms indicate the highest degree of something. For example, "tallest," "hottest," or "most beautiful."

* "Empty" describes the absence of something. You can't have a "more empty" or "most empty" thing because emptiness is a binary state: something is either empty or not.

If you're looking for a way to emphasize the emptiness, you can use words like:

* Totally empty: Emphasizes the complete lack of content.

* Completely empty: Similar to "totally empty."

* Absolutely empty: Stronger than "totally" or "completely."

* Void: A more formal and poetic way to describe emptiness.

* Desolate: Suggests a feeling of emptiness and loneliness.

Remember, the best choice will depend on the context of your writing.