Meaning of the word megalomaniac in English

What does megalomaniac mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

megalomaniac

US /ˌmeɡ.əl.əˈmeɪ.ni.æk/
UK /ˌmeɡ.əl.əˈmeɪ.ni.æk/

Noun

a person who has an obsession with power, wealth, or exaggerated self-importance

Example:
The dictator was a true megalomaniac, believing he was destined to rule the world.
His plans for the company were so extravagant, he seemed like a total megalomaniac.

Adjective

having or showing an obsession with power, wealth, or exaggerated self-importance

Example:
His megalomaniac tendencies made him difficult to work with.
The politician's speech was full of megalomaniac promises.