Optional
Optional adjective - Subject to one's freedom of choice.
Spontaneous and optional are semantically related. In some cases you can use "Spontaneous" instead an adjective "Optional".
Nearby Words: option, optionally
Spontaneous
Spontaneous adjective - Done instantly and without conscious thought or decision.
Optional and spontaneous are semantically related. Sometimes you can use "Optional" instead an adjective "Spontaneous".
Nearby Words: spontaneity, spontaneously
Mutual synonyms
Related pairs
- volunteer and optional
- volunteer and spontaneous
- free and optional
- free and spontaneous
- open and optional
- open and spontaneous
- willful and optional
- willful and spontaneous
- willing and optional
- willing and spontaneous
- gratuitous and optional
- gratuitous and spontaneous
- random and optional
- random and spontaneous
Cite this Source
Spontaneous and Optional. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/optional/spontaneous
Optional & Spontaneous. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/optional/spontaneous>.
Spontaneous or Optional. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/optional/spontaneous.
Google Ngram Viewer shows how "optional" and "spontaneous" have occurred on timeline