Forbidden
Forbidden adjective - That may not be permitted.
Irregular
Irregular adjective - Departing from some accepted standard of what is normal.
Forbidden and irregular are semantically related. Sometimes you can use "Forbidden" instead an adjective "Irregular".
Nearby Words: irregularity, irregularly
Mutual synonyms
Cite this Source
Irregular and Forbidden. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/forbidden/irregular
Forbidden & Irregular. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/forbidden/irregular>.
Irregular or Forbidden. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/forbidden/irregular.
Google Ngram Viewer shows how "forbidden" and "irregular" have occurred on timeline