Well-founded and Weak

Opposite meaning words

Well-founded adjective - According to the rules of logic.

Usage example: even a well-founded argument can lead to an erroneous conclusion if one of the premises is incorrect

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Weak is an antonym for well-founded.

Weak adjective - Not using or following good reasoning.

Usage example: your argument is weak

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Well-founded is an antonym for weak.

Nearby Words: weaken, weakness, weakly, weakening, weakling

Cite this Source

Weak and Well-founded. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/well-founded/weak

Well-founded & Weak. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/well-founded/weak>.

Weak or Well-founded. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/well-founded/weak.