Suppositious and Unauthentic

Suppositious

Suppositious adjective - Based primarily on surmise rather than adequate evidence.
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Synonyms for Suppositious

Unauthentic and suppositious are semantically related. In some cases you can use "Unauthentic" instead an adjective "Suppositious".

Unauthentic

Unauthentic adjective - Being such in appearance only and made or manufactured with the intention of committing fraud.
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Synonyms for Unauthentic

Suppositious and unauthentic are semantically related. Sometimes you can use "Suppositious" instead an adjective "Unauthentic".
Cite this Source
Unauthentic and Suppositious. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/suppositious/unauthentic
Suppositious & Unauthentic. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/suppositious/unauthentic>.
Unauthentic or Suppositious. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/suppositious/unauthentic.
Google Ngram Viewer shows how "suppositious" and "unauthentic" have occurred on timeline