In the case of wicked meaning bad or evil...:
Here are some words:
Evil - very very bad
Facinorous - obsolete word meaning bad/wicked
Depraved
Nefarious - extremely bad
Infamous, Notorious - famous for being bad
Facinorous. It is of Latin origin, coming from the word facinor/facinus, meaning "evil deed."
formidable
Breadcrumb is a 10 letter word. Chocoholic is a 10 letter word.
A 10 letter word for pure includes:Immaculate
a 10 letter word is antaginize
The 10 letter word for penguin is "flightless".
inquisitor
Tarantella is a 10 letter word. It begins with the letter T and ends with the letter A.
Adventitia is a 10 letter word for outermost covering of an organ.
A 10 letter word for sorry is remorseful.
A ten letter word for teenager is adolescent.
capability
triviality