Not wearing any clothing

The clue “Not wearing any clothing is INTHEBUFF” refers to the slang phrase “in the buff“, which means naked or without clothes. When someone is referred to as being “in the buff“, it means that they are not wearing any clothing. This phrase is often used in a lighthearted or humorous way to describe someone who is either intentionally or accidentally without clothes. In the context of the crossword puzzle, the answer is likely to be a word or phrase that means “naked” or “without clothes“, such as “bare“, “nude“, or “unclothed“.