Green’s Dictionary of Slang

very, really.

1821		Egan Life in London (1869) 264: Come, Lummy, von’t you stand a drap of summat, as you are in luck, and it’s a wicked could day?
1986		S. King It (1987) 376: Something hit that fucker wicked hard.
1990		(con. early 1950s) J. Ellroy L.A. Confidential 283: He had to piss wicked bad.
2001		(con. 1975–6) E. Little Steel Toes 106: It’s been wicked good.
2008		R. Price Lush Life 171: Still alert enough to use those wicked-quick infielder’s hands .
2010		IOL News (Western Cape) 28 Jan.. 🌐 I’m wicked serious.
2013		T. Robinson Hard Bounce [ebook] It was true. Still sounded wicked retarded.
2023		(con. 1962) J. Ellroy Enchanters 252: My cubicle was wicked hot. I goosed the AC .