Word.ws English Dictionary

megalomaniac

/ˌmɛɡəloʊˈmeɪniæk/

megalomaniac noun: one affected with or exhibiting megalomania.

Noun

megalomaniac (plural megalomaniacs)

  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.'1929, Sir Arthur Conan Doyle, When the World Screamed
    • Mr. Big paused. Bond saw that his great yellow eyes were wide, as if he saw visions. He's a raving megalomaniac, thought Bond. And all the more dangerous because of it.1954, Ian Fleming, “No Sensayuma”, in Live and Let Die, London: Pan Books, published 1957, page 76

Adjective

megalomaniac (comparative more megalomaniac, superlative most megalomaniac)

  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[…]2013, Jon Huer, Call from the Cave: Our Cruel Nature and Quest for Power, Rowman & Littlefield, →ISBN, page 241

Forms of megalomaniac

Noun
pluralmegalomaniacs
Adjective
comparativemore megalomaniac
superlativemost megalomaniac

Origin of megalomaniac

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

Words formed from megalomaniac

Words that rhyme with megalomaniac

47 more rhymesFewer rhymes

Questions about megalomaniac

What does megalomaniac mean?
Megalomaniac means one affected with or exhibiting megalomania.
What part of speech is megalomaniac?
Megalomaniac can be a noun or an adjective.
How do you pronounce megalomaniac?
Megalomaniac is pronounced /ˌmɛɡəloʊˈmeɪniæk/.
What is the plural of megalomaniac?
The plural of megalomaniac is megalomaniacs.

Words near megalomaniac in the dictionary

  1. megalogue
  2. megalogues
  3. megalokaryocyte
  4. megalokaryocytes
  5. megalomania
  6. megalomaniac
  7. megalomaniacal
  8. megalomaniacally
  9. megalomaniacism
  10. megalomaniacs
  11. megalomanias

Source and license

Adapted from Wiktionary: megalomaniac (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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