* Nakedness: This is the most literal opposite, meaning the absence of clothing.
* Unclothed: Another way to say someone is not wearing any clothes.
* Bare: This can be used to describe a lack of clothing or any covering.
* Natural: This emphasizes a state without artificial covering.
* Uncovered: This highlights the absence of something that would normally cover.
The best antonym will depend on the specific situation and what you want to emphasize.