Nonvalid and Unsupported

Nonvalid

Nonvalid adjective - Having no basis in reason or fact.
Usage example: a nonvalid theory that most scientists rejected long ago

Unsupported and nonvalid are semantically related. In some cases you can use "Unsupported" instead an adjective "Nonvalid".

Unsupported

Unsupported adjective - Having no basis in reason or fact.
Usage example: an unsupported claim that the structure was built by Vikings

Nonvalid and unsupported are semantically related. You can use "Nonvalid" instead an adjective "Unsupported".
Cite this Source
Unsupported and Nonvalid. (2017). Retrieved 2026, August 16, from https://thesaurus.plus/related/nonvalid/unsupported
Nonvalid & Unsupported. N.p., 2017. Web. 16 Aug. 2026. <https://thesaurus.plus/related/nonvalid/unsupported>.
Unsupported or Nonvalid. 2017. Accessed August 16, 2026. https://thesaurus.plus/related/nonvalid/unsupported.
Google Ngram Viewer shows how "nonvalid" and "unsupported" have occurred on timeline