Improper
Improper adjective - Not appropriate for a particular occasion or situation.
Stupid and improper are semantically related. In some cases you can use "Stupid" instead an adjective "Improper".
Nearby Word: improperly
Mutual synonyms
Both words in one sentence
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In this version, instead, they're clumsy, improper, stupid (even the stepmother shows signs she can't stand this; see Surrounded by Idiots below), and have some strange bad habits.
Source: Film / Cinderella
Cite this Source
Stupid and Improper. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/improper/stupid
Improper & Stupid. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/improper/stupid>.
Stupid or Improper. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/improper/stupid.
Google Ngram Viewer shows how "improper" and "stupid" have occurred on timeline