Megalomaniac

//ˌmɛɡəloʊˈmeɪniæk// adj, noun

Definitions

Adjective
  1. 1
    Of, exhibiting, or affected with megalomania.

    "Often, for good measure, Hitler is given as an example of a megalomaniac person. So, for our convenience, Hitler personifies the illness called megalomania[…]"

Noun
  1. 1
    One affected with or exhibiting megalomania.

    "'Well, I don't know him well enough yet to say, but I will admit that if he is not a mere bullying megalomaniac, and if what he says is true, then he certainly is in a class by himself.'"

  2. 2
    a pathological egotist wordnet

Etymology

Etymology 1

By surface analysis, megalomania + -ac, or, by surface analysis, megalo- + -maniac.

Etymology 2

By surface analysis, megalomania + -ac, or, by surface analysis, megalo- + -maniac.

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