maniac Meaning, Definition & Usage
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noun an insane person
madman; lunatic.
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noun a person who has an obsession with or excessive enthusiasm for something
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adjective satellite wildly disordered
maniacal.
- a maniacal frenzy
WordNet
Ma"ni*ac adjective
Etymology
F.Definitions
Raving with madness; raging with disordered intellect; affected with mania; mad.
Ma"ni*ac noun
Definitions
A raving lunatic; a madman.