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
Synonyms
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
Noah Goldberg, Los Angeles Times, 31 Oct. 2024
In bipolar 1, moods range from extreme elevation (mania) to depression.
—Michelle Pugle, Verywell Health, 15 Oct. 2024
Taking a high dose of ADHD drugs is linked to more than five times greater risk of developing psychosis or mania, according to a new study published Thursday in the American Journal of Psychiatry.
—Akshay Syal, M.d., NBC News, 12 Sep. 2024
An essential difference is that episodes of bipolar mania cause symptoms at any time of the day and usually last for weeks or longer, while sundowning occurs in the evening hours.
—Heidi Moawad, Verywell Health, 18 Oct. 2024
See all Example Sentences for mania 
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Noun
My friends in Los Angeles were texting me — the token New York Yankees fan for most of them — as their elation grew, error after Yankees error, mental blunder after mental blunder, leading to greater and greater Dodgers mania.
—Noah Goldberg, Los Angeles Times, 31 Oct. 2024
In bipolar 1, moods range from extreme elevation (mania) to depression.
—Michelle Pugle, Verywell Health, 15 Oct. 2024
Taking a high dose of ADHD drugs is linked to more than five times greater risk of developing psychosis or mania, according to a new study published Thursday in the American Journal of Psychiatry.
—Akshay Syal, M.d., NBC News, 12 Sep. 2024
An essential difference is that episodes of bipolar mania cause symptoms at any time of the day and usually last for weeks or longer, while sundowning occurs in the evening hours.
—Heidi Moawad, Verywell Health, 18 Oct. 2024
See all Example Sentences for mania
Dictionary Entries Near mania
Cite this Entry
“Mania.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mania. Accessed 1 Dec. 2024.
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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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