The most common and most likely answer to this crossword clue is the 11 letter word EVIL-MINDED
I've seen this crossword clue in Financial Times
E
V
I
L
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M
I
N
D
E
D
More clues leading to the result EVIL-MINDED
Buddy explains!
The straight part
We know that "wicked" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case wicked = evil-minded.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 EVIL-MINDED mean?
EVIL-MINDED adjective- Having evil thoughts or intentions.