Baseless
Baseless adjective - Having no basis in reason or fact.
Usage example: baseless rumors that the baseball player was using steroids
Invalid is a synonym for baseless. In some cases you can use "Invalid" instead an adjective "Baseless".
Nearby Word: baselessness
Mutual synonyms
Cite this Source
Invalid and Baseless. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/baseless/invalid
Baseless & Invalid. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/baseless/invalid>.
Invalid or Baseless. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/baseless/invalid.
Google Ngram Viewer shows how "baseless" and "invalid" have occurred on timeline