Impermissible
Impermissible adjective - That may not be permitted.
Not advisable and impermissible are semantically related. In some cases you can use "Not advisable" instead the word "Impermissible" as an adjective or an adverb.
Not advisable
Impermissible and not advisable are semantically related. You can use "Impermissible" instead the phrase "Not advisable" as an adjective or an adverb.
Mutual synonyms
Cite this Source
Not advisable and Impermissible. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/impermissible/not_advisable
Impermissible & Not advisable. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/impermissible/not_advisable>.
Not advisable or Impermissible. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/impermissible/not_advisable.
Google Ngram Viewer shows how "impermissible" and "not advisable" have occurred on timeline