deranged
adjective uk/dɪˈreɪndʒd/ us/dɪˈreɪndʒd/
精神错乱的，发狂的，疯狂的
completely unable to think clearly or behave in a controlled way, especially because of mental illness
a deranged criminal/mind/personality 疯狂的罪犯／混乱的头脑／狂躁的人格
to be mentally deranged 精神错乱
Synonym: crazed