Extramural
Extramural adjective - Carried on outside the bounds of an institution or community.
Optional and extramural are semantically related. In some cases you can use "Optional" instead an adjective "Extramural".
Optional
Optional adjective - Subject to one's freedom of choice.
Extramural and optional are semantically related. Sometimes you can use "Extramural" instead an adjective "Optional".
Nearby Words: option, optionally
Mutual synonyms
Cite this Source
Optional and Extramural. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/extramural/optional
Extramural & Optional. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/extramural/optional>.
Optional or Extramural. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/extramural/optional.
Google Ngram Viewer shows how "extramural" and "optional" have occurred on timeline