0 in a way that is extremely beautiful or attractive:
a stunningly beautiful/attractive woman
"Masai" was shot, absolutely stunningly, by Manuel Teran.
1 in a way that is very shocking or impressive:
The countryside around here is stunningly beautiful.
A stunningly attractive young man approached me.
I was surrounded by stunningly sexy men.
More stunningly still, their lack of influence was not a result of strong counter-lobbying by traditional trade interests.