Abnormal
Improper
Improper adjective - Not appropriate for a particular occasion or situation.
Abnormal is a synonym for improper in erroneous topic. Sometimes you can use "Abnormal" instead an adjective "Improper", if it concerns topics such as not suitable.
Nearby Word: improperly
Mutual synonyms
Cite this Source
Improper and Abnormal. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/abnormal/improper
Abnormal & Improper. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/abnormal/improper>.
Improper or Abnormal. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/abnormal/improper.
Google Ngram Viewer shows how "abnormal" and "improper" have occurred on timeline