megalomaniac

/ˌmɛɡəloʊˈmeɪniˌæk/
noun
  1. A person who suffers from megalomania; someone with an obsessive desire for power or an exaggerated sense of self-importance.
    • The film's villain is a classic megalomaniac who wants to rule the world.
    • The CEO was a megalomaniac who demanded total loyalty from everyone.
    • Only a megalomaniac would build a palace that large just for themselves.
adjective
  1. Having or showing the qualities of a megalomaniac; obsessively ambitious or power-hungry.
    • The general's megalomaniac ambitions led to a disastrous war.
    • His megalomaniac plans for the company worried the board of directors.
    • She had a megalomaniac desire to control every aspect of the project.
What does "megalomaniac" mean? | whatsthatwordmean | whatsthatwordmean