Impermissible and Supported

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

Supported is an antonym for impermissible.

Supported

Supported adjective - Held up or having the weight borne especially from below.

Impermissible is an antonym for supported.

Cite this Source
Supported and Impermissible. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/impermissible/supported
Impermissible & Supported. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/impermissible/supported>.
Supported or Impermissible. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/impermissible/supported.
Google Ngram Viewer shows how "impermissible" and "supported" have occurred on timeline