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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 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

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

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 wasn’t late anymore; his lunatic driving had gotten me to school in plenty of time.

From "Twilight" by Stephenie Meyer