Definition of megalomania
megalomaniacplay \-ˈmā-nē-ˌak\ adjective or noun
megalomaniacallyplay \-mə-ˈnī-ə-k(ə-)lē\ adverb
Examples of megalomania in a sentence
Their CEO has an arrogance that borders on megalomania.
Origin and Etymology of megalomania
First Known Use: 1885
MEGALOMANIA Defined for English Language Learners
Definition of megalomania for English Language Learners
: a condition or mental illness that causes people to think that they have great or unlimited power or importance
Medical Definition of megalomania
: a delusional mental illness that is marked by feelings of personal omnipotence and grandeur
Learn More about megalomania
Britannica English: Translation of megalomania for Arabic speakers
Seen and Heard
What made you want to look up megalomania? Please tell us where you read or heard it (including the quote, if possible).