wicked

IPA(Pronunciation)

/ˈwɪkɪd/

Britain New-England not-comparable slang

(slang, New England, Britain) Very, extremely.

Japanese Meaning

非常に / ものすごく / 極めて

The concert was wicked loud, and I couldn't hear myself think.

コンサートはめっちゃうるさくて、自分の考えが聞こえないほどだった。

Sense（1）

(slang, New England, Britain) Very, extremely.

(both Californian/regional, and both potentially considered mildly vulgar)