Erratic
Obsessive
Obsessive adjective - Caused by or suggestive of an irresistible urge.
Erratic and obsessive are semantically related in overenthusiastic topic. Sometimes you can use "Erratic" instead an adjective "Obsessive", if it concerns topics such as mentally maladjusted.
Both words in one sentence
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He was psychologically unstable before... but when he fell in love with a cute Japanese student attended his college he became obsessive, jealous (he even fumed if she spent time with someone else) and erratic.
Source: Love Makes You Evil
Cite this Source
Obsessive and Erratic. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/erratic/obsessive
Erratic & Obsessive. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/erratic/obsessive>.
Obsessive or Erratic. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/erratic/obsessive.
Google Ngram Viewer shows how "erratic" and "obsessive" have occurred on timeline