Baseless and Certain

Opposite meaning words

Baseless adjective - Having no basis in reason or fact.

Usage example: baseless rumors that the baseball player was using steroids

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Certain is an antonym for baseless.

Nearby Word: baselessness

Certain adjective - Known but not named.

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Baseless is an antonym for certain.

Nearby Words: certainty, certainly

Cite this Source

Certain and Baseless. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/baseless/certain

Baseless & Certain. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/baseless/certain>.

Certain or Baseless. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/baseless/certain.

Google Ngram Viewer shows how "baseless" and "certain" have occurred on timeline