: affected with, relating to, characterized by, or resulting from mania
had a manic personality
his manic work pace
manic noun

Examples of manic in a Sentence

a manic sense of humor
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But Waititi, who wrote and directed the film, forgoes any attempt to capture the book’s existential depth, offering a manic, lighthearted robot romp instead. — Natasha O'Neill, Vanity Fair, 22 Oct. 2026 Here, his clumsy, winky, affected, and self-undercutting direction can’t even work the charming Jenna Ortega to a great performance, as her Klara is flattened into a bundle of manic pixie mannerisms both physical and verbal. — Ryan Lattanzio, IndieWire, 20 Oct. 2026 Ryan Trecartin is the manic heir apparent to this trash-culture bloodline, updating it for a hyperperformative age. — Eugenie Brinkema, ARTnews.com, 17 Oct. 2026 The switch-up came with a bit of comic, manic machinations that Rock said reminded him of making Devil Without a Cause, his 1998 breakthrough. — Gary Graff, Billboard, 15 Oct. 2026 See All Example Sentences for manic

Word History

Etymology

borrowed from Greek manikós "mad, crazy," from manía "madness, frenzy, mania" + -ikos -ic entry 1

First Known Use

circa 1824, in the meaning defined above

Time Traveler
The first known use of manic was circa 1824

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Cite this Entry

“Manic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/manic. Accessed 26 Oct. 2026.

Medical Definition

manic

1 of 2 adjective
: affected with, relating to, or resembling mania

manic

2 of 2 noun
: an individual affected with mania
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