1 [C,usually sing,U] ~ (for sth / for doing sth) an extremely strong desire or enthusiasm for sth, often shared by a lot of people at the same time:
He had a mania for fast cars. * Football mania is sweeping the country.
2 [U] (psychology) a mental illness in which sb has an OBSESSION about sth that makes them extremely anxious, violent or confused:
She was diagnosed as suffering from persecution mania.
combining form
(in nouns) mental illness of a particular type:
kleptomania
-maniac (in nouns):
a pyromaniac
