Observable
Observable adjective - Capable of being seen.
Substantial and observable are semantically related. In some cases you can use "Substantial" instead an adjective "Observable".
Substantial
Substantial adjective - Relating to or composed of matter.
Usage example: the Land of Oz turned out to be a world of dreams, even less substantial than a rainbow
Observable and substantial are semantically related. Sometimes you can use "Observable" instead an adjective "Substantial".
Mutual synonyms
Cite this Source
Substantial and Observable. (2016). Retrieved 2026, August 11, from https://thesaurus.plus/related/observable/substantial
Observable & Substantial. N.p., 2016. Web. 11 Aug. 2026. <https://thesaurus.plus/related/observable/substantial>.
Substantial or Observable. 2016. Accessed August 11, 2026. https://thesaurus.plus/related/observable/substantial.
Google Ngram Viewer shows how "observable" and "substantial" have occurred on timeline