Obsessive
Obsessive adjective - Caused by or suggestive of an irresistible urge.
Unstable and obsessive are semantically related. in mentally maladjusted topic. In some cases you can use "Unstable" instead an adjective "Obsessive".
Mutual synonyms
Both words in one sentence
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The Auteur is a pastiche of both obsessive and unstable auteurs and these.
Source: Parallel Porn Titles - Simon Bellamy from Misfits has no friends, and he's portrayed as mentally unstable, obsessive, nerdy, and a bit of a pervert.
Source: Loners Are Freaks -
Sympathetic Murderer Gabi Hernandez kills her obsessive, stalking, mentally unstable ex-husband Nick Fallon.
Source: Series / Days of Our Lives
Cite this Source
Unstable and Obsessive. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/obsessive/unstable
Obsessive & Unstable. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/obsessive/unstable>.
Unstable or Obsessive. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/obsessive/unstable.
Google Ngram Viewer shows how "obsessive" and "unstable" have occurred on timeline