1
: excitement manifested by mental and physical hyperactivity, disorganization of behavior, and elevation of mood
specifically
: the manic phase of bipolar disorder
2
a
: excessive or unreasonable enthusiasm
a mania for saving things
—often used in combination
b
: the object of such enthusiasm
His current mania is football.
1
a
: mental illness
monomania
b
: excessive or abnormal propensity or desire
pyromania
trichotillomania
2
: absorbing interest : extreme enthusiasm
balletomania
bibliomania
Examples of mania in a Sentence
Noun
She would typically experience a period of mania and then suddenly become deeply depressed.
The entire city has been gripped by baseball mania.
Recent Examples on the Web
Meghan Montemurro, Chicago Tribune, 16 Mar. 2025
However, the speed of government, even this highly active Trump administration, does not come close to the 24/7 mania of crypto markets.
—Alexander S. Blume, Forbes, 13 Mar. 2025
Not only this, but so potent is the force of example that the lynching mania has spread throughout the North and middle West.
—Liz Tracey, JSTOR Daily, 21 Feb. 2025
At the height of their popularity in the 1630s, a bona fide tulip mania swept through the country, and single bulbs of the most colorful species were worth more than their weight in gold.
—Chris Schalkx, AFAR Media, 14 Feb. 2025
See All Example Sentences for mania
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Noun
Shohei Ohtani’s presence everywhere For any Chicago sports fans old enough to remember the height of Michael Jordan’s fame and popularity, that’s what Shohei Ohtani mania looks like around Tokyo.
—Meghan Montemurro, Chicago Tribune, 16 Mar. 2025
However, the speed of government, even this highly active Trump administration, does not come close to the 24/7 mania of crypto markets.
—Alexander S. Blume, Forbes, 13 Mar. 2025
Not only this, but so potent is the force of example that the lynching mania has spread throughout the North and middle West.
—Liz Tracey, JSTOR Daily, 21 Feb. 2025
At the height of their popularity in the 1630s, a bona fide tulip mania swept through the country, and single bulbs of the most colorful species were worth more than their weight in gold.
—Chris Schalkx, AFAR Media, 14 Feb. 2025
See All Example Sentences for mania
Cite this Entry
“Mania.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mania. Accessed 25 Mar. 2025.
Copy CitationKids Definition
Medical Definition
mania
noun
ma·nia
ˈmā-nē-ə, -nyə 
: excitement of psychotic proportions manifested by mental and physical hyperactivity, disorganization of behavior, and elevation of mood
specifically
: the manic phase of bipolar disorder
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