she behaved insanely; he behaves crazily when he is off his medication; the witch cackled madly; screaming dementedly.
YELLING dementedly, seven lawmakers mobbed the chairman of the Indian parliament's upper house on March 8th and tore at the document, containing the women's reservation bill, he was reading from.
Unperturbed, some yaks and goats quietly graze, while a brutish dog goes berserk, tugging dementedly at a rope in an effort to get free and kill me.