Eccentric
Unhinged
Unhinged adjective - Having or showing a very abnormal or sick state of mind.
Usage example: destined to become one of the nation's most notorious serial killers, he apparently became unhinged as a result of being abandoned as a young teen
Eccentric and unhinged are semantically related. Sometimes you can use "Eccentric" instead an adjective "Unhinged".
Nearby Word: unhinging
Mutual synonyms
Both words in one sentence
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In modern works, they may be cheerfully eccentric and deliberately flouting social norms, or really unhinged and living in their own world.
Source: Barefoot Loon - Characters who are eccentric, nutty or mentally unhinged tend to demonstrate this in everything - including language.
Source: Cloudcuckoolanguage -
The Boxtrolls: Archibald Snatcher is a self-styled Boxtroll exterminator, the primary villain of the plot, and, while initially appearing to be eccentric and goofy, reveals himself as something far more unhinged as the story runs its course.
Source: Monster / Western Animation
Cite this Source
Unhinged and Eccentric. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/eccentric/unhinged
Eccentric & Unhinged. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/eccentric/unhinged>.
Unhinged or Eccentric. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/eccentric/unhinged.
Google Ngram Viewer shows how "eccentric" and "unhinged" have occurred on timeline