obnubilation

noun
ob·​nub·​i·​la·​tion | \ äb-ˌn(y)ü-bə-ˈlā-shən How to pronounce obnubilation (audio) \

Medical Definition of obnubilation

: mental cloudiness and torpidity had a headache, slight nuchal rigidity, and obnubilationJournal of the American Medical Association