As nouns the difference between maniac and madman
is that maniac is an insane person, especially one who suffers from a mania while madman is a male who is insane or mentally disturbed.
maniac
English
Alternative forms
* maniack (obsolete)
Noun
(
en noun)
An insane person, especially one who suffers from a mania.
A fanatic, a person with an obsession.
Synonyms
* (l)
Derived terms
* brainiac
* trainiac
Related terms
* -maniac
* mania
* maniacal
Anagrams
*
*
madman
English
Noun
(madmen)
A male who is insane or mentally disturbed.
Synonyms
* See also
Related terms
* madwoman, madwomen