Of substance and Optional

Opposite meaning terms

Definitions of Of substance not found.

Optional is an antonym for of substance in valuable topic.

Optional adjective - Subject to one's freedom of choice.

Show all Definitions

Of substance is an antonym for optional.

Nearby Words: option, optionally

Cite this Source

Optional and Of substance. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/of_substance/optional

Of substance & Optional. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/of_substance/optional>.

Optional or Of substance. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/of_substance/optional.

Google Ngram Viewer shows how "of substance" and "optional" have occurred on timeline