maniac
[noun]
Synonyms:
- madman or madwoman, headcase (informal), lunatic, psycho (slang), psychopath
- fanatic, enthusiast, fan, fiend (informal), freak (informal)

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Related Words: berserk, delirious, frantic, frenetic, frenzied, furious, rabid, raging, ranting, violent, wild

[TahlilGaran] English Synonym Dictionary ▲

ma‧ni‧ac /ˈmeɪniæk/ noun [countable]
[Date: 1500-1600; Language: Late Latin; Origin: maniacus, from Greek maniakos, from mania; ⇒ mania]

1. informal someone who behaves in a stupid or dangerous way Synonym : lunatic:
He drove like a maniac to the hospital.
Suddenly this maniac ran out into the middle of the road.

2. religious/sex maniac informal someone who you think is too involved or interested in religion or sex Synonym : freak:
The woman’s a sex maniac if you ask me.

3. someone who is mentally ill
homicidal maniac (=someone who kills people)

[TahlilGaran] Dictionary of Contemporary English ▲

maniac
noun
ADJ. sex | homicidal | religious
PREP. like a ~ He was driving like a maniac.

[TahlilGaran] Collocations Dictionary ▲