: 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.
Participants in the circadian group also reported more manic-like experiences. — Deirdre Bardolf, FOXNews.com, 7 Nov. 2026 Even at the album’s more sedate tempos, gyrofield still delivers the manic intensity that marks their best work, building luscious tension with an arsenal of top-shelf production tricks. — Lisle Younger, Pitchfork, 6 Nov. 2026 Hundreds of thousands of men and women have reported uncanny or manic experiences with their bots. — Sam Kestenbaum, Harpers Magazine, 27 Oct. 2026 Annie Potts’ Iona is the film’s other fashion icon, whose looks are as charmingly manic as her personality. — Sezin Devi Koehler, Entertainment Weekly, 24 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

Browse Nearby Words

Cite this Entry

“Manic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/manic. Accessed 13 Nov. 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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