What does the cryptic crossword clue "Untidy novel revealing quality? (6)" mean?

The definition is "Untidy". The wordplay uses an anagram. anagram of UNTIDY = NUDITY; definition: "revealing quality?" The answer is Nudity.

Untidy novel revealing quality? (6)

Telegraph Prize Cryptic #3076 | 27 Across | 2020-10-04 flower