Cryptic crossword clue
Mischievous brats ultimately admit mistakes 7

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

I've seen this crossword clue in The Daily Telegraph
T
E
R
R
O
R
S

Buddy explains!

The straight part
We know that "Mischievous brats" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case mischievous brats = terrors.
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 TERRORS mean?

TERRORS noun
  1. Intense dread, fright, or fear.
  2. The action or quality of causing dread; terribleness, especially such qualities in narrative fiction.
  3. Something or someone that causes such fear.
  4. Terrorism

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