The most common and most likely answer to this crossword clue is the 10 letter word TRANSMUTED
I've seen this crossword clue in The Times
T
R
A
N
S
M
U
T
E
D
More clues leading to the result TRANSMUTED
Buddy explains!
The straight part
We know that "Converted" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case converted = transmuted.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 TRANSMUTED mean?
TRANSMUTED verb- To change, transform or convert one thing to another, or from one state or form to another.