Mania is an extreme interest, desire, or craze. If you dye your dog's fur to match the colors of your favorite football team, you might be suffering from sportsmania.

Mania has for centuries been associated with “madness” or “mental derangement.” It's still used in the mental health fields to mean the excitable, overactive phase of bipolar disorder or, as a suffix, to describe a compulsion, such as kleptomania (to steal) or pyromania (to set fires). More generally, it might be used as a suffix to describe enthusiasm, as in Beatlemania (The Beatles) or Pottermania (Harry Potter).

Definitions of mania

n an irrational but irresistible motive for a belief or action

cacoethes, passion
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an intense desire to be alone or out in the open
alcoholism, dipsomania, potomania
an intense persistent desire to drink alcoholic beverages to excess
an intense and irresistible love for yourself and concern for your own needs
an irresistible impulse to steal in the absence of any economic motive
logomania, logorrhea
pathologically excessive (and often incoherent) talking
monomania, possession
a mania restricted to one thing or idea
necromania, necrophilia, necrophilism
an irresistible sexual attraction to dead bodies
an irresistible desire to pick at superficial body parts (as in obsessive nail-biting)
an uncontrollable desire to set fire to things
an irresistible urge to pull out your own hair
Type of:
irrational motive
a motivation that is inconsistent with reason or logic

n a mood disorder; an affective disorder in which the victim tends to respond excessively and sometimes violently

manic disorder
craze, delirium, frenzy, fury, hysteria
state of violent mental agitation
a frenzy of emotion; as for something unattainable
epidemic hysertia, mass hysteria
a condition in which a large group of people exhibit the same state of violent mental agitation
Type of:
affective disorder, emotional disorder, emotional disturbance, major affective disorder
any mental disorder not caused by detectable organic abnormalities of the brain and in which a major disturbance of emotions is predominant

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