megalomania

play
noun meg·a·lo·ma·nia \ˌme-gə-lō-ˈmā-nē-ə, -nyə\

Definition of megalomania

  1. 1 :  a mania for great or grandiose performance

  2. 2 :  a delusional mental disorder that is marked by feelings of personal omnipotence and grandeur

megalomaniac

play \-ˈmā-nē-ˌak\ adjective or noun

megalomaniacal

play \-mə-ˈnī-ə-kəl\ less commonly

megalomanic

play \-ˈma-nik\ adjective

megalomaniacally

play \-mə-ˈnī-ə-k(ə-)lē\ adverb

Examples of megalomania in a sentence

  1. Their CEO has an arrogance that borders on megalomania.

Origin and Etymology of megalomania

New Latin


First Known Use: 1885


MEGALOMANIA Defined for English Language Learners

megalomania

play
noun meg·a·lo·ma·nia \ˌme-gə-lō-ˈmā-nē-ə, -nyə\

Definition of megalomania for English Language Learners

  • : a condition or mental illness that causes people to think that they have great or unlimited power or importance


Medical Dictionary

megalomania

play
noun meg·a·lo·ma·nia \ˌmeg-ə-lō-ˈmā-nē-ə, -nyə\

Medical Definition of megalomania

  1. :  a delusional mental illness that is marked by feelings of personal omnipotence and grandeur


Learn More about megalomania


Seen and Heard

What made you want to look up megalomania? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to trick or confuse (someone)

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • alphabet-magnets
  • Which is the correct spelling?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ