The most common and most likely answer to this crossword clue is the 10 letter word CONTRASTED
I've seen this crossword clue in The Sunday Telegraph
C
O
N
T
R
A
S
T
E
D
Buddy explains!
The straight part
We know that "shown to be different" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case shown to be different = contrasted.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 CONTRASTED mean?
CONTRASTED verb- To set in opposition in order to show the difference or differences between.
- To form a contrast.
- Set in contrast (of two or more things).
- Displaying or marked by contrast; contrasty.