maniac
/ˈmeɪ.niˌæk/ noun
Forms maniacs maniack
- noun An insane person, especially one who suffers from a mania. “She was driving like a maniac.”
- noun (figurative) A fanatic, a person with an obsession. “He's a manga maniac.”
Synonyms
Etymology
From mania + -ac. Borrowed from French maniaque, from Late Latin maniacus, from Ancient Greek μανιακός (maniakós), adjectival form of μανία (manía, “madness”). Compare manic.
Webster’s 1913
- adjective Raving with madness; raging with disordered intellect; affected with mania; mad.
- noun A raving lunatic; a madman.
Etymology [F. maniaque. See Mania.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “maniac”, CC BY-SA 4.0. Details