The most common and most likely answer to this crossword clue is the 7 letter word DEBATED
I've seen this crossword clue in The Guardian
D
E
B
A
T
E
D
Buddy explains!
The straight part
We know that "Argued" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case argued = debated.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 DEBATED mean?
DEBATED verb- To participate in a debate; to dispute, argue, especially in a public arena.
- To fight.
- To engage in combat for; to strive for.
- To consider (to oneself), to think over, to attempt to decide
- Disputed, under discussion, not settled.