Baseless and Well founded
Opposite meaning terms
Baseless
Baseless adjective - Having no basis in reason or fact.
Well founded is an antonym for baseless.
Nearby Word: baselessness
Well founded
Cite this Source
Well founded and Baseless. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/baseless/well_founded
Baseless & Well founded. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/baseless/well_founded>.
Well founded or Baseless. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/baseless/well_founded.
Google Ngram Viewer shows how "baseless" and "well founded" have occurred on timeline