Crazy
Crazy adjective - Having or showing a very abnormal or sick state of mind.
Usage example: a crazy woman who tried to throw her baby out of a window
Demented is a synonym for crazy in insane topic. In some cases you can use "Demented" instead an adjective "Crazy", when it comes to topics like raving, sane, neurotic, mad. popular alternative
Demented
Demented adjective - Having or showing a very abnormal or sick state of mind.
Usage example: a poor, demented animal that had obviously suffered years of abuse
Crazy is a synonym for demented in raving topic. You can use "Crazy" instead the word "Demented" as an adjective or a noun, if it concerns topics such as state, sane, neurotic, insane. informal substitute
Nearby Word: dementing
Mutual synonyms
Both words in one sentence
- If it weren't for the fact that their crazy plans always succeed somehow, they'd be considered just plain demented.
Source: Crazy Awesome / Folklore -
Like America above and Japan below, Britain had its share of crazy Sega adverts, most notably the completely demented Sega Pirate TV campaign.
Source: Advertising Campaigns -
Also there's Gaston's loyal sidekick Lefounote whose name happens to mean "the daft," "the crazy", "the demented" or "the fool".
Source: Disney / Beauty and the Beast
Cite this Source
Demented and Crazy. (2016). Retrieved 2026, August 18, from https://thesaurus.plus/related/crazy/demented
Crazy & Demented. N.p., 2016. Web. 18 Aug. 2026. <https://thesaurus.plus/related/crazy/demented>.
Demented or Crazy. 2016. Accessed August 18, 2026. https://thesaurus.plus/related/crazy/demented.
Google Ngram Viewer shows how "crazy" and "demented" have occurred on timeline