megalomania

meg·a·lo·ma·nia

noun \ˌme-gə-lō-ˈmā-nē-ə, -nyə\

Definition of MEGALOMANIA

1

: a mania for great or grandiose performance

2

: a delusional mental disorder that is marked by feelings of personal omnipotence and grandeur

— meg·a·lo·ma·ni·ac \-ˈmā-nē-ˌak\ adjective or noun

— meg·a·lo·ma·ni·a·cal \-mə-ˈnī-ə-kəl\ also meg·a·lo·man·ic \-ˈma-nik\ adjective

— meg·a·lo·ma·ni·a·cal·ly \-mə-ˈnī-ə-k(ə-)lē\ adverb

Examples of MEGALOMANIA

1. Their CEO has an arrogance that borders on megalomania.

Origin of MEGALOMANIA

New Latin

First Known Use: 1887

Other Psychology Terms

fetish, hypochondria, intelligence, mania, narcissism, neurosis, pathological, psychosis, schadenfreude, subliminal