delirium
C2Substantiv/US /dɪlˈɪriːəm/ dĭl-ĬR-ē-əm; UK /dɪlˈɪriːəm/ dĭl-ĬR-ē-əm/
A state in which the thoughts, expressions, and actions are wild, irregular, and incoherent; mental aberration; a roving or wandering of the mind, -- usually dependent on a fever or some other disease, and so distinguished from mania, or madness.
