Synonyms of maniac
- 1. lunatic, madman, maniac, sick person, diseased person, sufferer
- usage: an insane person
- 2. maniac, fancier, enthusiast
- usage: a person who has an obsession with or excessive enthusiasm for something
- 1. maniacal, maniac(predicate), insane (vs. sane)
- usage: wildly disordered; "a maniacal frenzy"
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Definition and meaning of maniac (Dictionary)