The most common and most likely answer to this crossword clue is the 5 plus 4 plus 6 letter word MORAL HIGH GROUND
M
O
R
A
L
H
I
G
H
G
R
O
U
N
D
Buddy explains!
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.