Improper
Improper adjective - Not appropriate for a particular occasion or situation.
Lustful and improper are semantically related. In some cases you can use "Lustful" instead an adjective "Improper".
Nearby Word: improperly
Mutual synonyms
Cite this Source
Lustful and Improper. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/improper/lustful
Improper & Lustful. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/improper/lustful>.
Lustful or Improper. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/improper/lustful.
Google Ngram Viewer shows how "improper" and "lustful" have occurred on timeline