Impermissible and Proper

Opposite meaning words

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

Show all Definitions

Proper is an antonym for impermissible.

Proper adjective - Following the established traditions of refined society and good taste.

Show all Definitions

Impermissible is an antonym for proper.

Nearby Words: property, properly

Cite this Source

Proper and Impermissible. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/impermissible/proper

Impermissible & Proper. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/impermissible/proper>.

Proper or Impermissible. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/impermissible/proper.

Google Ngram Viewer shows how "impermissible" and "proper" have occurred on timeline