Improper and Questionable

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Improper adjective - Not appropriate for a particular occasion or situation.

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Questionable and improper are semantically related. In some cases you can use "Questionable" instead an adjective "Improper".

Nearby Word: improperly

Questionable adjective - Giving good reason for being doubted, questioned, or challenged.

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Improper and questionable are semantically related. Sometimes you can use "Improper" instead an adjective "Questionable".

Cite this Source

Questionable and Improper. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/improper/questionable

Improper & Questionable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/improper/questionable>.

Questionable or Improper. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/improper/questionable.

Google Ngram Viewer shows how "improper" and "questionable" have occurred on timeline