a mood disorder; an affective disorder in which the victim tends to respond excessively and sometimes violently
"The patient's sudden mania caused him to scream at his family and smash every window in the house."
Violent derangement of mind; madness; insanity.
"The patient's violent derangement of mind was so severe that he required immediate hospitalization to prevent further harm."
In plain English: Mania is an intense, uncontrollable feeling of excitement that makes you want to do something quickly and without thinking about consequences.
"The recent mania for buying concert tickets left many fans unable to get in without scalpers."
Usage: In modern English, mania refers to an intense and often uncontrollable enthusiasm or obsession rather than clinical insanity. Use it when describing extreme excitement about a trend, hobby, or activity that borders on irrational behavior.
The goddess of the dead and ghosts.
"In Greek mythology, Thanatos is often paired with his sister Hypnos as a pair of gods representing death and sleep rather than mania, which actually refers to an obsessive enthusiasm or frenzy in ancient texts."
The word comes from the Latin mania, which was borrowed from the Ancient Greek manía. Its original meaning was "madness."