Synonyms of mania
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.

-mania

2 of 2

noun combining form

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
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Noun
Postpartum psychosis is a rare but serious medical emergency characterized by severe, rapid onset psychiatric episodes such as mania, depression, delusions or hallucinations. Peter Charalambous, ABC News, 17 Aug. 2026 Symptoms include anxiety, hypervigilance, confusion and mania, and taking on activities that might be considered strange. Deborah Becker, NPR, 16 Aug. 2026 People who report a history of sleep loss that triggers mania are much more likely to develop postpartum psychosis, and a person with a previous experience with postpartum psychosis is more likely to have it again. Jen Christensen, CNN Money, 13 Aug. 2026 Tufts said throughout her testimony that Clancy never exhibited any signs of psychosis or mania during her treatment. Melina Khan, USA Today, 11 Aug. 2026 See All Example Sentences for mania

Word History

Etymology

Noun

Middle English, "mental disorder, frenzy," borrowed from Late Latin, borrowed from Greek manía "madness, frenzy," noun derivative (with -ia -ia entry 1) from the base of maínomai, maínesthai "to rage, rave, be frenzied, be out of one's mind," going back to an Indo-European present stem *mn̥-i̯é- (from the verbal base *men- "form a thought"), whence also Old Irish doˑmoinethar "(s/he) supposes, expects," Sanskrit mányate "(s/he) thinks," Avestan mainiieṇte "(they) consider, take for"; also as stative verbs (< *mn̥-h2i̯é-?) Old Church Slavic mĭnjǫ, mĭněti "to think, suppose," Lithuanian miniù, minė́ti "to mention, commemorate" — more at mind entry 1

Noun combining form

borrowed from Greek -mania, combining form from manía "madness, frenzy" — more at mania

First Known Use

Noun

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of mania was in the 14th century

Browse Nearby Words

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Cite this Entry

“Mania.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mania. Accessed 24 Aug. 2026.

Kids Definition

1
: excitement that is expressed through excessive physical and mental activity and extreme cheerfulness
2
: excessive enthusiasm : craze
had a mania for saving things

Medical Definition

: 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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