Inconsistent
Inconsistent adjective - Not being in agreement or harmony.
Optional and inconsistent are semantically related. In some cases you can use "Optional" instead an adjective "Inconsistent".
Optional
Optional adjective - Subject to one's freedom of choice.
Inconsistent and optional are semantically related. Sometimes you can use "Inconsistent" instead an adjective "Optional".
Nearby Words: option, optionally
Mutual synonyms
Cite this Source
Optional and Inconsistent. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/inconsistent/optional
Inconsistent & Optional. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/inconsistent/optional>.
Optional or Inconsistent. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/inconsistent/optional.
Google Ngram Viewer shows how "inconsistent" and "optional" have occurred on timeline