Improper
Improper adjective - Not appropriate for a particular occasion or situation.
Noxious and improper are semantically related. In some cases you can use "Noxious" instead an adjective "Improper".
Nearby Word: improperly
Noxious
Noxious adjective - Bad for the well-being of the body.
Improper and noxious are semantically related. Sometimes you can use "Improper" instead an adjective "Noxious".
Nearby Words: noxiousness, noxiously
Cite this Source
Noxious and Improper. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/improper/noxious
Improper & Noxious. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/improper/noxious>.
Noxious or Improper. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/improper/noxious.
Google Ngram Viewer shows how "improper" and "noxious" have occurred on timeline