Not allowable
Prohibited and not allowable are semantically related. In some cases you can use "Prohibited" instead an adjective phrase "Not allowable".
Prohibited
Prohibited adjective - That may not be permitted.
Not allowable and prohibited are semantically related. You can use "Not allowable" instead an adjective "Prohibited".
Mutual synonyms
Cite this Source
Prohibited and Not allowable. (2017). Retrieved 2026, August 16, from https://thesaurus.plus/related/not_allowable/prohibited
Not allowable & Prohibited. N.p., 2017. Web. 16 Aug. 2026. <https://thesaurus.plus/related/not_allowable/prohibited>.
Prohibited or Not allowable. 2017. Accessed August 16, 2026. https://thesaurus.plus/related/not_allowable/prohibited.
Google Ngram Viewer shows how "not allowable" and "prohibited" have occurred on timeline