Adverb
-
(used as intensives) extremely
"she was madly in love"
"deadly dull"
"deadly earnest"
"deucedly clever"
"insanely jealous"
-
in an insane manner
"she behaved insanely"
"he behaves crazily when he is off his medication"
"the witch cackled madly"
"screaming dementedly"
-
in an uncontrolled manner
"she fought back madly"