: 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.
Jollotta was concerned Clancy was in a mixed manic or hypomanic state, meaning a combination of manic symptoms like lack of sleep, along with depression. Eric Levenson, CNN Money, 11 Aug. 2026 But then everything changed on a dime, and a manic Cubs season went off the rails again. Paul Sullivan, Chicago Tribune, 7 Aug. 2026 In graphic clips reposted on social media, Hilton appeared manic and could be seen in the livestream covered in blood and using an object to cut himself repeatedly. Etan Vlessing, HollywoodReporter, 6 Aug. 2026 The distant thunder was still faint, but its deep rumble drowned out the manic noise next door, like a great invisible hand reaching out beyond the clouds to crush the multifarious towns below. Cynthia Zarin, Harpers Magazine, 4 Aug. 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 17 Aug. 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

More from Merriam-Webster on manic

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!