Cryptic crossword clue
Naughty nude lay outside party with no sense of shame 11

The most common and most likely answer to this crossword clue is the 11 letter word UNABASHEDLY

I've seen this crossword clue in The Daily Telegraph
U
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Buddy explains!

The straight part
We know that "with no sense of shame" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case with no sense of shame = unabashedly.
The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.
This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.

What does UNABASHEDLY mean?

UNABASHEDLY adverb
  1. In an unabashed manner; without embarrassment or hesitation.

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