Improper and Impermissible

Improper

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

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

Nearby Word: improperly

Impermissible

Impermissible adjective - That may not be permitted.
Usage example: trial juries must be able to discern the difference between a permissible inference and impermissible speculation

Improper and impermissible are semantically related. Sometimes you can use "Improper" instead an adjective "Impermissible".
Cite this Source
Impermissible and Improper. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/improper/impermissible
Improper & Impermissible. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/improper/impermissible>.
Impermissible or Improper. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/improper/impermissible.
Google Ngram Viewer shows how "improper" and "impermissible" have occurred on timeline