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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

He looked at me like I was a lunatic, but he heard me, so perhaps I planted a seed.

From The Wall Street Journal • Mar. 29, 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

Act Three, which brings a performance of “Nothing On” to utter collapse, doesn’t quite reach the lunatic heights that Frayn intends.

From Los Angeles Times • Feb. 10, 2025

I half expected Mrs. Chase to turn into a raving lunatic at the mention of her stepdaughter, but she just pursed her lips and looked concerned.

From "The Titan's Curse" by Rick Riordan