"crazily" in the adverb sense
1. insanely, crazily, dementedly, madly
in an insane manner
"she behaved insanely"
"he behaves crazily when he is off his medication"
"the witch cackled madly"
"screaming dementedly"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License