Wicked is a related term of unwell.
As adjectives the difference between wicked and unwell
is that
wicked is evil or mischievous by nature or
wicked can be having a wick while
unwell is not well; indisposed; not in good health; somewhat ill; ailing.
As an adverb wicked
is (slang|new england|british) very, extremely.
As a noun wicked
is people who are wicked
[oxford dictionary [http://wwwoxfordadvancedlearnersdictionarycom/dictionary/wicked_2]].
As a verb wicked
is (
wick).