deranged /dɪˈreɪnʤd/ adjective Learner's definition of DERANGED
[more deranged; most deranged]
: unable to think or act in a normal or logical way especially because of severe mental illness : crazy or insane精神错乱的；精神失常的；疯狂的 — derangement
/dɪˈreɪnʤmənt/ noun [noncount]