Synonyms of the word

maniac

• n. An insane person, especially one who suffers from a mania.
• n. A fanatic, a person with an obsession.

enthusiast

• n. A person filled with or guided by enthusiasm.
• n. (archaic) A person exhibiting over-zealous religious fervour.

fancier

• adj. comparative form of fancy: more fancy.
• n. One who fancies; a person with a special interest, attraction or liking for something. An aficionado.
• n. A person who breeds or grows a particular animal or plant for points of excellence.

insane

• adj. Exhibiting unsoundness or disorder of mind; not sane; mad; deranged in mind; delirious; distracted.
• adj. Used by, or appropriated to, insane persons.
• adj. Causing insanity or madness.
• adj. Characterized by insanity or the utmost folly; ridiculous; unpractical.

lunatic

• n. An insane person.
• adj. crazed, mad, insane, demented.

madman

• n. A male who is insane or mentally disturbed.

maniacal

• adj. Like a maniac; insane; frenzied.

sufferer

• n. One who suffers.
• n. One who is afflicted.