Hard
Hard adjective - Based on sound reasoning or information.
Usage example: do you have any hard evidence that this was once the site of a Native American village?
Substantiated and hard are semantically related. In some cases you can use "Substantiated" instead an adjective "Hard".
Substantiated
Hard and substantiated are semantically related. Sometimes you can use "Hard" instead an adjective "Substantiated".
Mutual synonyms
Cite this Source
Substantiated and Hard. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/hard/substantiated
Hard & Substantiated. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/hard/substantiated>.
Substantiated or Hard. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/hard/substantiated.
Google Ngram Viewer shows how "hard" and "substantiated" have occurred on timeline