/
dɪˈlɪrɪəm/
n.
an acutely disturbed state of mind characterized by restlessness, illusions, and incoherence of thought and speech, occurring in fever and other disorders and in intoxication.
Etymology
C16: from L., from delirare ‘deviate, be deranged’ (lit. ‘deviate from the furrow’), from de- ‘away’ + lira ‘ridge between furrows’.
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