Mania

[mey-nee-uh, meyn-yuh] /ˈmeɪ ni ə, ˈmeɪn yə/

noun
1.
excessive excitement or enthusiasm; craze:
The country has a mania for soccer.
2.
Psychiatry. .
[mey-nee-uh, meyn-yuh] /ˈmeɪ ni ə, ˈmeɪn yə/
noun
1.
an ancient Roman goddess of the dead.
1.
a combining form of (megalomania); extended to mean “enthusiasm, often of an extreme and transient nature,” for that specified by the initial element (bibliomania).
/ˈmeɪnɪə/
noun
1.
a mental disorder characterized by great excitement and occasionally violent behaviour See also manic-depressive
2.
an obsessional enthusiasm or partiality: a mania for mushrooms
combining form
1.
indicating extreme desire or pleasure of a specified kind or an abnormal excitement aroused by something: kleptomania, nymphomania, pyromania
n.

late 14c., “mental derangement characterized by excitement and delusion,” from Late Latin mania “insanity, madness,” from Greek mania “madness, frenzy; enthusiasm, inspired frenzy; mad passion, fury,” related to mainesthai “to rage, go mad,” mantis “seer,” menos “passion, spirit,” all from PIE *men- “to think, to have one’s mind aroused, rage, be furious” (see mind (n.)). Sense of “fad, craze” is 1680s, from French manie in this sense. Sometimes nativized in Middle English as manye. Used since 1500s (in imitation of Greek) as the second element in compounds expressing particular types of madness (cf. nymphomania, 1775; kleptomania, 1830; megalomania, 1890).

mania ma·ni·a (mā’nē-ə, mān’yə)
n.
A manifestation of bipolar disorder characterized by profuse and rapidly changing ideas, exaggerated gaiety, and excessive physical activity.

-mania suff.
An abnormal compulsion or an extreme love for: pyromania.
mania [(may-nee-uh)]

Violent, abnormal, or impulsive behavior. In psychological terms, mania is wild activity associated with manic depression.

Note: A “mania” in popular terms is an intense enthusiasm or craze.