maniac
noun
1 maniac
An insane person.
Roget 504: madman, lunatic, maniac, bedlamite†, candidate for Bedlam, raver†, madcap, crazy; energumen†; automaniac†, monomaniac, dipsomaniac, kleptomaniac; hypochondriac ... show more
Dutch: gek, dolleman, maniak
2 maniac
A person who has an obsession with or excessive enthusiasm for something.
adjective
1 maniac
Moby thesaurus: aliene, batty, bedlamite, berserk, borderline case, crackbrain, cracked, crackpot, crazed, crazy, delirious, dement, demented, demoniac, deranged, energumen, enthusiast, fan, fanatic, fiend ... show more.
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