As adjectives the difference between manic and fanatic
is that manic
is (psychiatry) suffering from mania; the state of abnormally elevated or irritable mood, arousal, and/or energy levels while fanatic
As a noun fanatic is
a person who is zealously enthusiastic for some cause, especially in religion.
(psychiatry) Suffering from mania; the state of abnormally elevated or irritable mood, arousal, and/or energy levels.
Of or pertaining to someone who exhibits mania or craziness; wicked.
* fanatick (obsolete)
* T. Moore
(obsolete) Showing evidence of possession by a god or demon; frenzied, overzealous.
- But Faith, fanatic Faith, once wedded fast / To some dear falsehood, hugs it to the last.
A person who is zealously enthusiastic for some cause, especially in religion.
* A zealot can't change his mind. A fanatic can't change his mind and won't change the subject. — (attributed)
* A fanatic is one who redoubles his effort when he has forgotten his aim. —