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