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Definitions

lunatic

[loo-nuh-tik] / ˈlu nə tɪk /




Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He got back everything he’s wanted and then a lunatic billionaire is telling you that 100 miles away under the Denver Airport there’s this thing that sounds crazy.

From Los Angeles Times • Mar. 30, 2026

Mr. Gittlitz writes with the lunatic panache of a utopian manifesto or 2000s sports blog.

From The Wall Street Journal • Mar. 27, 2026

That is a deliberate choice, says Tracy, because Teddy is not -- or at least not just -- a lunatic.

From Barron's • Mar. 1, 2026

I’m not an actor, I like working at night, and I’m not going to let you bully me into becoming a Type A lunatic.

From Los Angeles Times • Nov. 19, 2025

A visitor from another planet, or another century, would view the exercise as precisely lunatic behavior, but no one from outside would understand it.

From "The Lives of a Cell" by Lewis Thomas