Definition of megalomaniac in US English:

megalomaniac

noun

  • 1A person who is obsessed with their own power.

    • ‘Volscenzi is the stereotypical bad guy; eccentric and power crazed, he is a paranoid megalomaniac who quite clearly desires, as is required of his kind, world domination.’
    • ‘He considers the Emperor was a cynic, a monster, a psychopath and a megalomaniac.’
    • ‘How can we ensure that an office invested with broad powers will not be used cynically by political parties, or irrationally by an unexpected megalomaniac?’
    • ‘Such is the fate of those who tie their future to the whims of megalomaniacs.’
    • ‘He was corrupt to his core, a liar, a megalomaniac, a misogynist, a bully and, like most bullies, a coward.’
    • ‘I've worked for producers, and I know producers, who are true megalomaniacs, and need to write everything, and be responsible for everything, and get all the credit.’
    • ‘Is it unfair to describe him as something of a megalomaniac, where even allowing for his enormous contribution he appears to refuse to even partially relinquish his power?’
    • ‘‘At first he did a great job, but he soon became a megalomaniac who shouted and screamed and wanted to take every business decision, however trivial,’ he said.’
    • ‘Like all megalomaniacs, he finally turned on his own people, those he claimed to be saving.’
    • ‘We've heard about how he was a megalomaniac who wanted to make his movie his way and didn't care who or what got trampled under to achieve this.’
    • ‘Normally, we portray our politicians as desiccated calculating machines, charlatans or megalomaniacs.’
    • ‘No, Raines must be a megalomaniac, drunk on power.’
    • ‘Like most megalomaniacs, I went through the typical world-domination phase.’
    • ‘Well, we are dealing with a homicidal megalomaniac who has the capacity to do things that are beyond belief.’
    • ‘It was the familiar despotic argument made by megalomaniacs all through history.’
    • ‘Both are megalomaniacs who listen only to themselves or a small group around them.’
    • ‘Finally, of course, there is the natural desire of the megalomaniac to hang on to power until the last possible minute and not to take the slightest risk of losing it.’
    • ‘With its bad language and schoolboy humour, Alfred Jarry's first and most influential play is the story of Mum and Dad Ubu, two gloriously evil megalomaniacs, who spur each other on to overthrow the regime.’
    • ‘Its central figure is a charismatic, obsessive megalomaniac bent on avenging himself on the civilized world.’
    • ‘Can a megalomaniac get bored by his own propaganda?’
    1. 1.1 A person who suffers delusions of their own power or importance.
      • ‘Sylvia believes Lloyd is interested in the acquisition because it would thrust him into the public eye - she seconded my non-professional opinion that he was a megalomaniac.’
      • ‘There's no insight into Alexander's transition from beloved leader to drunken megalomaniac; one minute he has his subjects hanging on his every word, and then next thing you know he's declaring himself a god.’
      • ‘The psychiatrists diagnosed him as a megalomaniac with delusions of being a great poet, economist, linguist, historian, and political adviser to heads of state.’
      • ‘Many people, including ex-members of what they call his ‘cult,’ regard him as a dangerous megalomaniac.’
      • ‘But seven months into his reign he fell ill, and he emerged from this as a megalomaniac - he may have lost his sanity, though this is doubtful.’
      • ‘Rather he is, in clinical parlance, a paranoid megalomaniac.’
      • ‘Science is always under siege by charlatans, and theories of gravity are among the most attractive to con artists and self-deceiving megalomaniacs.’
      • ‘This statement is either deceitful or the egotistical rambling of a megalomaniac.’
      • ‘When the title is conferred on public figures, it is a well-known fact that they go mad; celebrities turn into monsters, and politicians into megalomaniacs, addled by delusions of eternity, going on, and on, and on.’
      • ‘The newcomer may look like a megalomaniac when compared with your more muted norm.’
      • ‘It was preceded by months of attempted negotiations with a megalomaniac, power-hungry, delusional autocrat.’
      • ‘He's a looney, thought Sara, a complete megalomaniac.’
      • ‘‘A lot of entrepreneurs are megalomaniacs; they think they can do everything themselves,’ says Rollins.’

adjective

  • Exhibiting megalomania.

    • ‘The story is that of an intensely Irish megalomaniac father, who lives in the violent and paranoid world of his furniture store mogul past.’
    • ‘It all comes down to responsibility, and this power-crazed megalomaniac picture that you're painting is certainly not the only possible outcome, goal, or destination for people who don't believe sorcery should be used sparingly.’
    • ‘The movie takes us back to sci-fi of fantastic beasts, megalomaniac scientists and of course the eternal debate of science without scruples turning into a runaway train.’
    • ‘For the best part of two hours Bates gave a towering performance as the megalomaniac actor fallen on hard times, railing against the injustices of having to work small stages in front of ignorant audiences.’
    • ‘Amos’ escape idea was just as impossible as Dr. Anderson's megalomaniac thoughts of healing the world.’

Pronunciation

megalomaniac

/ˌmeɡələˈmānēˌak//ˌmɛɡələˈmeɪniˌæk/