The most common and most likely answer to this crossword clue is the 8 letter word ENORMITY
I've seen this crossword clue in Independent
E
N
O
R
M
I
T
Y
More clues leading to the result ENORMITY
- Hostility's accepted if not a sin
- Great crime, yet minor, in some way
- Hate stealing or wicked crime
- Greatness alternatively in hatred
- Look at cut involving standard computer material – it’s outrageous
- Outrage troops breaching 3
- An outrage otherwise concealed by ill-will
- More tiny misbehaving? Quite the opposite
- War crime perhaps men committed in hatred
- Minor, yet possibly an atrocious crime
Buddy explains!

The straight part
We know that "it’s outrageous" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case it’s outrageous = enormity.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 ENORMITY mean?
ENORMITY noun- Deviation from what is normal or standard; irregularity, abnormality.
- Deviation from moral normality; extreme wickedness, nefariousness, or cruelty.
- A breach of law or morality; a transgression, an act of evil or wickedness.
- Great size; enormousness, hugeness, immenseness.