wickedly
🇺🇸
/ˈwɪkɪdli/
🇬🇧
/ˈwɪkɪdli/
In a way that is mischievous or slightly bad, but also charming or amusing.
He told the joke with a wickedly playful smile.
In a very effective or intense way, especially in a negative sense.
The wind wickedly cut through her coat.