The most common and most likely answer to this crossword clue is the 9 letter word DETRIMENT
D
E
T
R
I
M
E
N
T
More clues leading to the result DETRIMENT
- Blokes taken in by rubbish America put out that shows prejudice
- Tried suspect and got together to limit new damage
- Harm from native’s close shave trapped in pit
- Loss of red mitten processed
- Harm of French river deluging centre of Quimper
- Damage almost increased friendliness around border
- Loss of Trident disastrous, this person held
- 24 somehow in a dip may result in damage
- Easing of hostility briefly limits border damage
- Loss of resistance in period beset by depression
Buddy explains!

The straight part
We know that "damage" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case damage = detriment.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 DETRIMENT mean?
DETRIMENT noun- Harm, hurt, damage.
- A charge made to students and barristers for incidental repairs of the rooms they occupy.
- To be detrimental to; to harm or mar.