The most common and most likely answer to this crossword clue is the 9 letter word AGGRESSOR
I've seen this crossword clue in The Daily Telegraph
A
G
G
R
E
S
S
O
R
More clues leading to the result AGGRESSOR
- RR goes with gas supply – I started it!
- Assailant liable to explode into gross rage
- After a gallon, Roger’s about to grab sex, being an offensive sort
- First striker whose attitude is offensive
- Gross rage may come from this belligerent person
- … which, with grass cut, is prepared for hostile invader
- Stupidly, egg soars right at belligerent!
- Harrier runs through gorges as directed
Buddy explains!
The straight part
We know that "First striker whose attitude is offensive" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case first striker whose attitude is offensive = aggressor.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 AGGRESSOR mean?
AGGRESSOR noun- The person or country that first attacks or makes an aggression; that begins hostility or a quarrel; an assailant.