Definition of megalomania
- an outburst of wildly extravagant commercial megalomania
- —The Times Literary Supplement (London)
Their CEO has an arrogance that borders on megalomania.
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First Known Use: 1885See Words from the same year
: a condition or mental illness that causes people to think that they have great or unlimited power or importance
Britannica English: Translation of megalomania for Arabic speakers
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