Empty
Empty adjective - Lacking contents that could or should be present.
Unsubstantiated and empty are semantically related. In some cases you can use "Unsubstantiated" instead an adjective "Empty".
Unsubstantiated
Unsubstantiated adjective - Having no basis in reason or fact.
Empty and unsubstantiated are semantically related. Sometimes you can use "Empty" instead an adjective "Unsubstantiated".
Nearby Word: unsubstantially
Cite this Source
Unsubstantiated and Empty. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/empty/unsubstantiated
Empty & Unsubstantiated. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/empty/unsubstantiated>.
Unsubstantiated or Empty. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/empty/unsubstantiated.
Google Ngram Viewer shows how "empty" and "unsubstantiated" have occurred on timeline