Longman Dictionary of Contemporary English homepage

Date: 1800-1900
Origin: megalo- 'large' (from Greek megas; MEGA-) + mania

megalomania

 noun
     
Related topics: Illness and Disability
meg‧a‧lo‧ma‧ni‧a [uncountable]
MI when someone wants to have a lot of power for themselves and enjoys having control over other people's lives, sometimes as part of a mental illness
Definition from the Longman Dictionary of Contemporary English
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