Cryptic crossword clue
Outfit worn by suspect into disturbing the peace

The most common and most likely answer to this crossword clue is the 7 letter word RIOTING

I've seen this crossword clue in The Guardian
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Buddy explains!

The straight part
We know that "disturbing the peace" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case disturbing the peace = rioting.
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 RIOTING mean?

RIOTING verb
  1. To create or take part in a riot; to raise an uproar or sedition.
  2. To act in an unrestrained or wanton manner; to indulge in excess of feasting, luxury, etc.
  3. To cause to riot; to throw into a tumult.
  4. To annoy.
RIOTING noun
  1. A riot.

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