Outermost
Optional
Optional adjective - Subject to one's freedom of choice.
Outermost and optional are semantically related. Sometimes you can use "Outermost" instead an adjective "Optional".
Nearby Words: option, optionally
Mutual synonyms
Cite this Source
Optional and Outermost. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/outermost/optional
Outermost & Optional. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/outermost/optional>.
Optional or Outermost. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/outermost/optional.
Google Ngram Viewer shows how "outermost" and "optional" have occurred on timeline