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megalomania

play
noun meg·a·lo·ma·nia \ˌme-gə-lō-ˈmā-nē-ə, -nyə\

Simple Definition of megalomania

  • : a condition or mental illness that causes people to think that they have great or unlimited power or importance

Full Definition of megalomania

  1. 1 :  a mania for great or grandiose performance

  2. 2 :  a delusional mental disorder that is marked by feelings of personal omnipotence and grandeur

meg·a·lo·ma·ni·ac play \-ˈmā-nē-ˌak\ adjective or noun
meg·a·lo·ma·ni·a·cal play \-mə-ˈnī-ə-kəl\ also meg·a·lo·man·ic play \-ˈma-nik\ adjective
meg·a·lo·ma·ni·a·cal·ly play \-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: 1885


Medical Dictionary

megalomania

play
noun meg·a·lo·ma·nia \ˌmeg-ə-lō-ˈmā-nē-ə, -nyə\

Medical Definition of megalomania

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




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