Crazy
Crazy noun - A person judged to be legally or medically insane.
Usage example: one unsympathetic homeowner insisted that all homeless people are crazies
Maniac is a synonym for crazy in sane topic. In some cases you can use "Maniac" instead the word "Crazy" as a noun or an adjective, when it comes to topics like lunatic, loony, sociopath.
Maniac
Maniac noun - A person judged to be legally or medically insane.
Usage example: they should permanently put away the maniac who is responsible for these kidnappings
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Synonyms for Maniac
Crazy is a synonym for maniac (North American) in sane topic. You can use "Crazy" instead the word "Maniac" as a noun or an adjective, if it concerns topics such as lunatic, insane, loony, sociopath. informal substitute
Mutual synonyms
Both words in one sentence
- He is more calm and quiet that crazy, but still has several features of a true Ax Crazy, he's a cold-blooded homicidal maniac without conscience who enjoys killing.
Source: Ax Crazy / Film -
Self-Deprecation: He has called himself "crazy" or "maniac", often referring to his-own anger issues.
Source: Creator / Bill Burr -
In the show, Gihren was a crazy Hitler-esque maniac, the worst of the Zabi family.
Cite this Source
Maniac and Crazy. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/crazy/maniac
Crazy & Maniac. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/crazy/maniac>.
Maniac or Crazy. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/crazy/maniac.
Google Ngram Viewer shows how "crazy" and "maniac" have occurred on timeline