['me?n?ak]
¦ noun
1. a person exhibiting extremely wild or violent behaviour.
2. informal an obsessive enthusiast.
3. Psychiatry, archaic a person suffering from mania.
Derivatives
maniacal m?'n???k(?)l adjective
maniacally m?'n???k(?)li adverb
Origin
C16: via late L. from late Gk
maniakos, from
mania (see
mania).