Erratic
Fanatical
Fanatical adjective - Marked by excessive enthusiasm for and intense devotion to a cause or idea.
Erratic and fanatical are semantically related in overenthusiastic topic. Sometimes you can use "Erratic" instead an adjective "Fanatical".
Mutual synonyms
Cite this Source
Fanatical and Erratic. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/erratic/fanatical
Erratic & Fanatical. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/erratic/fanatical>.
Fanatical or Erratic. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/erratic/fanatical.
Google Ngram Viewer shows how "erratic" and "fanatical" have occurred on timeline