Improper
Improper adjective - Not appropriate for a particular occasion or situation.
Nonconforming and improper are semantically related. In some cases you can use "Nonconforming" instead an adjective "Improper".
Nearby Word: improperly
Nonconforming
Nonconforming adjective - Not conforming to established customs or doctrines especially in religion.
Improper and nonconforming are semantically related. Sometimes you can use "Improper" instead an adjective "Nonconforming".
Mutual synonyms
Cite this Source
Nonconforming and Improper. (2016). Retrieved 2026, August 12, from https://thesaurus.plus/related/improper/nonconforming
Improper & Nonconforming. N.p., 2016. Web. 12 Aug. 2026. <https://thesaurus.plus/related/improper/nonconforming>.
Nonconforming or Improper. 2016. Accessed August 12, 2026. https://thesaurus.plus/related/improper/nonconforming.
Google Ngram Viewer shows how "improper" and "nonconforming" have occurred on timeline