Erratic
Erratic adjective - Lacking a definite plan, purpose, or pattern.
Mentally strange and erratic are semantically related. In some cases you can use "Mentally strange" instead an adjective "Erratic".
Nearby Word: errant
Mentally strange
Erratic and mentally strange are semantically related. Sometimes you can use "Erratic" instead an adjective phrase "Mentally strange".
Cite this Source
Mentally strange and Erratic. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/erratic/mentally_strange
Erratic & Mentally strange. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/erratic/mentally_strange>.
Mentally strange or Erratic. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/erratic/mentally_strange.
Google Ngram Viewer shows how "erratic" and "mentally strange" have occurred on timeline